Why Join Us?

We are Telecommunication network and service provider in Thailand and under the brand “SYMPHONY” we have committed to continually improve network performance, strategically grow our coverage to increase customer base, support future growth and provide best service for customer to have “Excellent Experience”.

We are a communication service provider recognized in the market. With a firm commitment to providing customers with an Excellent Experience, we strive to offer top-notch services. Additionally, we are constantly looking for new business opportunities to meet the evolving needs of our customers amid rapidly changing technology.

To achieve this, we seek a team of capable and dedicated individuals who share our passion for delivering the best customer service. Joining our team means contributing to creating the ultimate customer service experience for our valued clients.

Available Positions

Key Responsibilities:

  • Identify and develop new enterprise customers, and build a strong sales pipeline through networking and partner channels
  • Understand customer pain points and business needs, and propose suitable cloud solutions
  • Work closely with pre-sales teams to prepare technical proposals that solve real business problems
  • Manage the full sales process from lead generation, presentation, negotiation, to closing deals and contract signing
  • Maintain good relationships with existing customers to find opportunities for up- selling and cross-selling
  • Prepare weekly and monthly sales forecasts and reports for management

Qualifications:

  • Bachelor’s/University degree, master’s degree in computer science, Information Technology, Engineering or equivalent
  • Minimum 2-5 years of experience in B2B / Corporate Sales (Experience in Cloud Solution, Telecommunication, IT Solutions, System Integrator, or Software is highly desirable).
  • Experience working in a team collaboratively.
  • Self-Management to prioritize work and self-learning.
  • Well-developed teamwork habits and communication skills
  • Maintain an acceptable attendance record, be punctual, and meet deadlines.
  • Possess strong analytical and problem-solving skills.

Key Responsibilities:

  • Develop and maintain good relations with both new and existing customers.
  • Provide full information on products and services and arrange appointments with customers.
  • Handle full selling process from finding prospects, verifying opportunities until closing deals.
  • Communicate with Sales & Marketing team to gather required information for updating database and keep close relationship with customers.
  • Prepare sales forecasts, budgets, sales program and update the report as monthly basis.

Qualifications:

  • Work experience in Channel Sales, Project Sales or Corporate Sales and at least 2- 3 years extensive in Telecommunication Business.
  • Proficient in computer skills, especially MS Office.
  • Proficient in Presentation Skill, Negotiation Skill, and Sales Planning.
  • Good interpersonal relations.
  • Ability to work under pressure.
  • Having own car and driving license also knows direction in Bangkok and realm.

Key Responsibilities:

  • Hunt for new enterprise clients and build a solid B2B sales pipeline.
  • Manage the full sales cycle: from cold calling and pitching to negotiating and closing deals.
  • Understand client needs and pitch solutions covering High-Speed Internet, Cloud, and Cyber Security.
  • Partner with pre-sales and technical teams to design proposals that fit the client's business.
  • Track sales forecasts and hit monthly/quarterly revenue targets.
  • Build long-term relationships with clients to drive recurring revenue and cross sell.

Qualifications:

  • 3–5 years of B2B sales experience (IT, Telecom, System Integration, or Cloud preferred).
  • Familiarity with Cloud Computing, Network Infrastructure, or Cyber Security.
  • Strong communication and negotiation skills—you can explain tech concepts simply to business owners.
  • Self-motivated, target-driven, and comfortable opening new doors.
  • Must have a personal car and a valid driver’s license. in Bangkok and realm.

Key Responsibilities:

  • Develop and maintain full stack applications for network automation and operational workflows.
  • Build backend services and APIs using Python, FastAPI, Node.js, PHP, or related technologies.
  • Create web applications and user-friendly dashboards using Next.js, React, or modern frontend frameworks.
  • Design and maintain relational databases, data models, and SQL queries for application and reporting needs.
  • Integrate OSS, network systems, databases, and internal platforms through APIs and microservices.
  • Develop automation for network health checks, provisioning, configuration validation, monitoring, and alerting.
  • Support Rule Engines, AI, and Machine Learning solutions for predictive monitoring and proactive issues
  • detection.
  • Test, troubleshoot, and enhance application performance, security, scalability, and reliability.
  • Collaborate with technical teams to translate operational needs into practical digital solutions.
  • Prepare system designs, database schemas, API specifications, and technical documentation.

Qualifications:

  • Bachelor’s degree in computer science, Computer Engineering, Information Technology,
  • Telecommunications Engineering, or a related field.
  • Experience in Full Stack Development, Application Development, System Integration, or Network
  • Automation.
  • Proficiency in Python and backend frameworks such as FastAPI, Node.js, or PHP.
  • Experience with Next.js, React, TypeScript, or other modern frontend technologies.
  • Strong knowledge of SQL, relational databases, database design, and query optimization.
  • Knowledge of REST APIs, microservices, data integration, and system integration.
  • Experience with Git, CI/CD, testing, deployment, and troubleshooting.
  • Knowledge of Grafana, Prometheus, PRTG, AI, Machine Learning, or Rule Engines is an advantage.
  • Knowledge of MPLS, DWDM, IP Network, OSS, or telecommunications networks is an advantage.

Key Responsibilities:

  • Provide guidance and support for application users
  • Be able to investigate and identify issues, bugs, or errors and act as a bridge to the development team
  • Understand business situations and application functionality to better analyze problems and make recommendations
  • Provide services, support, and suggestions to end users regarding the Data Warehouse
  • Provide data or information support for ad-hoc requests from end users
  • Create new reports or modify existing reports for Business Units
  • Work closely with application development teams and vendors to investigate, fix, and test applications, including understanding new features, configurations, and elements to be deployed in each release
  • Administer the company's application system in terms of application configuration, master data setup, and application user ID and permission management
  • Configure and support all applications in production
  • Conduct knowledge-sharing sessions with team members to improve technical knowledge and skills

Qualifications:

  • Bachelor's degree in Computer Science, Information Technology, or any related fields
  • At least 5 years of experience in Application Support/Help Desk
  • Experience with Oracle Database, SQL, PL/SQL, SQL Developer, and Workflows
  • Experience with MS SQL Database, Crystal Reports, MS .NET, ASP.NET
  • Experience in connecting front-end, API, and back-end
  • Experience with incident management tools and ticketing systems
  • Strong technical knowledge of software applications and systems
  • Strong skills in database and programming
  • Good understanding of business and operations process flow
  • Good analytical, problem-solving, communication, presentation, and interpersonal skills

Key Responsibilities:

  • Work with our Cloud Specialist to deploy cloud environments in public cloud & local cloud.
  • Deploy and manage enterprise-class security, network, and systems management applications within a public cloud & local cloud environment.
  • Implement highly available, fault-tolerant, and scalable enterprise deployments following designs from Cloud Specialist.
  • Perform data and IaaS migrations from on-premises environments into public cloud & local cloud.
  • Perform support after sales and manage services as per customer requirements.
  • Standby call from Tier1 (Helpdesk) to support incidents or manage services.
  • Perform delivery documentation after customer onboarding.
  • Provide best-effort troubleshooting to customers.
  • Drive architectural and planning discussions with senior leadership concerning strategy, trade-offs, risks, and resource needs.
  • Demonstrate the ability to address product and technical challenges.

Qualifications:

  • Educations Background (bachelor’s degree in computer science, Computer/Telecommunication/Electrical Engineer,)
  • Professional Experiences (5+ Years’ Engineer Experience in IT/System/Network/Security)
  • Strong practical Linux and Windows-based systems administration skills in a Cloud or Virtualized environment
  • Hands on experience building solutions with public cloud & Local cloud Services (AWS/Azure/Huawei/VMware)
  • Cloud certified is an added advantage (Azure, AWS, Huawei, VMware etc.)

Key Responsibilities:

  • Monitor customers' security infrastructure and security events through Security Operations Center (SOC) monitoring platforms on a 24x7 shift basis.
  • Identify, classify, prioritize, and perform initial analysis of security alerts and incidents based on severity and business impact.
  • Investigate security events by reviewing logs, alerts, endpoint activities, and network traffic to determine potential threats.
  • Escalate security incidents to internal security teams or technology vendors in accordance with established incident response procedures.
  • Coordinate with customers, vendors, and internal teams throughout the incident lifecycle until resolution.
  • Track incident progress and ensure timely resolution in accordance with SLA commitments.
  • Document investigation findings, incident timelines, identified causes(Root Cause), and recommended corrective actions.
  • Support root cause analysis and document investigation findings, incident timelines, and corrective actions.
  • Provide regular incident status updates to customers and stakeholders.
  • Maintain accurate operational records and update knowledge base documentation.
  • Participate in shift handover to ensure continuity of monitoring activities.
  • Support continuous improvement initiatives to enhance monitoring effectiveness and operational efficiency.
  • Perform other duties as assigned.

Qualifications:

  • Bachelor’s degree in computer engineering, Computer Science, Information Technology, Cyber Security, Telecommunications, or related fields.
  • 1–3 years of experience in SOC, CSOC, Network Operations Center (NOC), IT Operations, or CyberSecurity.
  • Basic understanding of networking concepts (TCP/IP, DNS, Routing, Firewall, VPN).
  • Knowledge of cybersecurity concepts such as SIEM, IDS/IPS, Endpoint Security, Malware, and Incident Response.
  • Experience using security monitoring tools is an advantage (e.g., Microsoft Sentinel, Splunk, QRadar, FortiSIEM, ArcSight).
  • Relevant certifications such as Security+, SC-200, CEH, CySA+, or vendor-specific SIEM certifications are an advantage.
  • Familiarity with Windows/Linux logs, Active Directory, cloud environments, and common security log sources.
  • Basic knowledge of threat intelligence, IOC analysis, and the MITRE ATT&CK framework.
  • Strong analytical and troubleshooting skills.
  • Good communication and coordination skills.
  • Able to work rotating shifts in a 24x7 operation.
  • Good command of written and spoken English. A valid TOEIC score will be considered an advantage.

Key Responsibilities:

  • Collaborate with the sales team to identify customer needs and propose security solutions that align with business goals.
  • Provide technical support and expertise during the pre-sales process, including product demonstrations, presentations, and proof-of-concept (PoC) activities.
  • Conduct detailed security assessments and audits to identify risks and recommend solutions.
  • Design customized security architectures based on client requirements, focusing on areas such as network security, endpoint security, cloud security, and data protection.
  • Prepare technical proposals, solution documentation, and responses to RFPs (Requests for Proposals) and RFIs (Requests for Information).
  • Engage in client meetings to discuss technical aspects of security solutions, answer questions, and address concerns.
  • Stay up to date with the latest security products, technologies, and industry trends to advise customers on the best practices and solutions.
  • Support post-sales and project management teams during the implementation of security solutions to ensure the successful deployment and integration of products.
  • Conduct training and knowledge-sharing sessions for both internal teams and clients on security products and solutions.
  • Build and maintain strong relationships with key vendors and partners to leverage the latest security technologies.

Qualifications:

  • Bachelor’s degree in computer science, Information Technology, Cybersecurity, or a related field.
  • Minimum 5 years’ experience in network security, IT security and cyber security.
  • Experience in a presales or technical consulting role within the cybersecurity domain.
  • Experience in vulnerability assessment, penetration test.
  • Strong understanding of security and cybersecurity solutions, including firewalls, web application firewall, Data loss prevention, end point detection and response and cloud security.
  • Excellent communication and presentation skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Strong problem-solving and analytical skills.
  • Ability to work independently and collaboratively in a fast-paced environment.
  • Has a certificate in IT security or cyber security (e.g., CISSP, Security+, Pentest+,CISA, CEH)

Key Responsibilities:

  • Design, implement, and optimize enterprise network infrastructures including LAN, WAN, VPN, MPLS, and Data Center networks
  • Installing and configuring network equipment such as routers, switches, encoder/decoder (DVB), firewall
  • Monitor network performance, conduct regular performance analysis, and provide recommendations to enhance efficiency and reliability
  • Troubleshoot and resolve complex network incidents, working cross-functionally with internal teams to ensure timely issue resolution
  • Perform root cause analysis of network faults and implement preventive measures
  • Collaborate with engineering, operations, and project teams to support infrastructure changes and upgrades
  • Maintain accurate documentation of network topologies, configurations, and operational procedures
  • Prepare technical reports and present network status updates to stakeholders and management

Qualifications:

  • Bachelor's Degree in Telecommunication or related area
  • 3 - 5+ years of hands-on experience in enterprise or carrier network engineering or operations
  • Strong knowledge of IP networking fundamentals, routing protocols (BGP, OSPF, ISIS), SR-MPLS, SRTE, Switching technologies (VLAN, QinQ, VxLAN, STP), and QoS
  • Ability to think through problems and visualize solutions
  • Ability to implement, administer, and troubleshoot network infrastructure devices, including wireless access points, firewall, routers, switches, controllers
  • Good analytical and problem-solving skills
  • Experience using network monitoring and diagnostic tools (e.g., SolarWinds, Wireshark, PRTG, NetFlow)
  • Solid understanding of network security principles and best practices
  • Hands-on experience in developing Python scripts for network automation, monitoring, and data analysis tasks
  • Familiarity with libraries such as Netmiko, NAPALM, Paramiko, or REST API integration is an advantage
  • CCNP, CCIE, HCIP, HCIE and/or CISSP highly valued

Key Responsibilities:

  • Implement, configure, and activate new IPLC services over the DWDM/ IP/MPLS network.
  • Perform service provisioning, circuit turn-up, testing, and end-to-end service validation.
  • Resolve all technical issues in solutions/projects and delivery process.
  • Working closely with pre-sale team to validate and correct solutions ensuring seamless service activation.
  • Participated in customer meetings to kick-off projects and provide consult.
  • Coordinate with internal teams and external carriers/vendors to deliver customer services within agreed timelines.
  • Support service migrations, capacity upgrades, maintenance activities, and network optimization.
  • Follow change management processes and ensure all implementation activities are properly documented.
  • Maintain accurate documentation, including circuit records, configuration data, network diagrams, and implementation reports to deliver to after-sale support.
  • Cross-functional and collaborate with other departments to improve service quality.

Qualifications:

  • Bachelor's degree in Telecommunications Engineering, Electrical Engineering, Computer Engineering, Information Technology, or a related field.
  • 0–2 years of experience in telecommunications, ISP operations, or optical transmission networks (fresh graduates with relevant internships are accepted).
  • Excellent client-facing, managing customer and communication skills
  • Enthusiasms, Continuous learning, positive thinking.
  • Proficient in English communication skills.
  • Flexibility and ability to work under tight deadlines and handle pressure
  • Basic understanding of DWDM, SDH/SONET, Ethernet, MPLS, and IP networking concepts.
  • Basic knowledge of fiber optic technologies, optical power measurements, and link testing.
  • Familiarity with optical transmission vendors such as Huawei, Nokia or equivalent is an advantage.
  • Experience in Automation, Network Programmability e.g. Python, Ansible is a plus.

Key Responsibilities:

  • Manage end-to-end service delivery for international customers, ensuring projects are
  • delivered on time, within scope, and with high-quality service.
  • Act as the primary point of contact for international customers, providing clear
  • communication on project progress, risks, and required actions.
  • Coordinate cross-functional teams and vendors to support smooth service
  • implementation and timely issue resolution.
  • Maintain project plans, track milestones, and ensure all technical documents are
  • completed for successful project closure and handover.
  • Design fiber route/ DWDM/ IP Network and prepare costing according to customers
  • requirement, ensuring technical specifications are complied.
  • Work with partners for cross border connectivity, process for MOU signing, equipment
  • setup and fiber matching.
  • Work with Planning teams in executing fiber rollout and DWDM implementation
  • activities.

Qualifications:

  • Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, Computer Engineering, Information Technology, or a related field.
  • Minimum 5 years of experience in telecommunication infrastructure planning, service delivery, network implementation, or project coordination.
  • Experience in network route design, technical solution planning, cost estimation, and project implementation.
  • Good understanding of project management processes, including project planning, milestone tracking, risk management, documentation, and handover.
  • Strong coordination skills with cross-functional teams, vendors, partners, and international customers.
  • Able to communicate effectively in English and Chinese.

Key Responsibilities:

  • Draft, review and update documents or contracts used for company's internal matters both in Thai and English (e.g., Partnership Agreement, contracts with customers and vendors, Non-Disclosure Agreement, Terms & Conditions)
  • Draft notices and other documents related to litigation matters, coordinate with external legal counsel, and support legal proceedings with related authorities including police officers and courts
  • Monitor related (existing & new) laws and regulations, especially regulations related to NBTC and licensed telecommunication businesses, to identify implications and ensure compliance with business operations
  • Secure and maintain all necessary approvals and certificates for the company's activities to comply with the law
  • Provide legal advice, legal opinion, and practical guidance related to business operations, regulatory compliance, and dispute management Identify and resolve potential legal risks across all business activities
  • Manage projects that may require the engagement of a law firm
  • Support legal coordination and provide legal consultation related to investigations, disputes, or legal cases involving external parties, regulatory authorities, police officers, and courts
  • Identify, assess, and resolve potential legal and regulatory risks across all business activities

Qualifications:

  • Bachelor’s degree in laws (master’s degree or Thai barrister-at-law is a plus)
  • Have minimum 5 years’ experience in legal work
  • Experience as Legal in tech companies is a plus
  • Team-oriented professionals and Commercial awareness
  • Communication and interpersonal skills
  • Time management, hardworking, well-organized and attention to detail, results oriented and “Can Do” attitude
  • Able to work under pressure
  • Strong qualitative, analytical skills
  • Good in spoken and written English is a MUST
  • Effective verbal and written communications
  • Able to work independently with a strong ownership mindset

Key Responsibilities:

  • Respond to requests for technical assistance in person, via phone, chat or email
  • Diagnoses and resolve technical hardware and software issues
  • Research questions using available information resources
  • Provide consultation to user on appropriate action
  • Follow standard NOC, Manage service procedures.
  • Identify and Escalate situations requiring urgent attention
  • Track and route problems and requests and document resolutions
  • Resolve technical problems with add on service.
  • Prepare activity reports
  • Manage the day-to-day planning and operational aspects of the project to ensure deliverable timelines are met.
  • Be familiar and work closely with ICT team to ensure smooth After-Sales Support

Qualifications:

  • Bachelor’s degree in related field or equivalent experience
  • 2-3 years of prior IT experience, Add on service, Network, Cloud Platform, Firewall
  • Prior experience working for a service provider is a plus
  • VM ware, office 365, Amazon, Google. ICT Solution
  • Good interpersonal skill and service minded
  • Good problem solving and communication skill
  • Passion, Positive and Creative to continue development the personal skills
  • Good command of English
  • Able to work on shift, work a rotational shift schedule (4 days on, 4 days off)

Key Responsibilities:

  • Recognize, identify and prioritize incidents in accordance with customer business requirements, organizational policies, and operational impact
  • Perform network monitoring
  • Inform Service Desk to log ticket, perform ticket status tracking, and escalation for incident management process
  • Perform troubleshooting and resolve network first-level incidents within SLA

Qualifications:

  • Bachelor's Degree or higher in Computer, Telecom Engineering, or related fields
  • Good command of English
  • 2-3 years of experience in computer network/IT Helpdesk/Internet Broadband
  • Solid knowledge of IT Infrastructure, LAN & WAN, Ethernet, MPLS, FTTx
  • Experience with supporting IP services (TCP/IP, IPv4, IPv6, VPN, QOS, SDN, SNMP, VOIP)
  • Experience with CISCO and Juniper switches, routers
  • Certification in CCNA/CCNP is preferred
  • Can work in shifts
  • Enthusiastic, can-do attitude, service-minded

Key Responsibilities:

  • Designing, implementing, and troubleshooting Enterprise network ecosystem
  • Installing and configuring network equipment such as routers, switches, wireless, firewalls, encoder/decoder (DVB)
  • Monitoring network performance and making recommendations based on performance analysis
  • Troubleshooting, resolving, and communicating networking issues
  • Reporting network status to key stakeholders
  • Writing and maintaining network documentation
  • On-call support and handling change requests outside of normal business hours

Qualifications:

  • Bachelor’s degree in Computer Engineering, Computer Science, Modern Technology, or higher
  • At least 5 - 7 years of experience in the IP Network field
  • Strong knowledge of network technology TCP/IP, routing techniques (Static, BGP, OSPF, ISIS) and other related connectivity, including but not limited to security and Cloud
  • Ability to implement and troubleshoot network infrastructure devices, including wireless access points, firewalls, routers, switches, and controllers
  • Strong understanding of Enterprise System & Network Architecture and ecosystems
  • Must be a self-starter able to work diligently with minimal supervision
  • Ability to communicate and work across different cultures and social groups
  • Ability to plan activities and projects well in advance, taking into account possible changing circumstances
  • Ability to work hard and put in longer hours when necessary
  • Hands-on experience with monitoring, network diagnostics, and network analytics tools
  • Completion of CCNA, HCIA, NSE4 certificates or higher

Key Responsibilities:

  • Recognize, identify, and prioritize network incidents in accordance with customer business requirements, organizational policies, and operational impact.
  • Perform 24/7 network monitoring to ensure service availability, stability, and performance.
  • Perform first-level troubleshooting and restore network services within agreed Service Level Agreements (SLAs).
  • Escalate complex incidents to relevant technical teams and support service restoration through effective communication and coordination.
  • Analyze network alarms, event logs, and system performance to proactively identify potential issues before they impact customers.
  • Gain hands-on experience with carrier-grade technologies, including IP/MPLS, DWDM, SD-WAN, Internet Backbone, Cloud Connectivity, and network monitoring platforms.
  • Collaborate with cross-functional teams, including Network Engineering, Change Management,Provisioning and Technical Support, to resolve complex network issues and improve service quality.
  • Contribute to operational excellence by identifying opportunities for process improvement, automation, and knowledge sharing.
  • Continuously develop technical knowledge through on-the-job learning, technical training, and exposure to enterprise and carrier network environments.
  • Perform other duties as assigned.

Qualifications:

  • Bachelor's Degree or higher in Computer, Telecom Engineering or related fields
  • Good command of English
  • 1-6 years in computer network/ IT Helpdesk/Internet Broadband experience
  • Solid knowledge of IT Infrastructure, LAN & WAN, Ethernet, MPLS, FTTx
  • Experience with supporting IP services (TCP/IP, IPv4, IPv6, VPN, QOS, SDN, SNMP, VOIP
  • Experience with CISCO and Juniper, switches, routers
  • Certifying in CCNA / CCNP is preferred
  • Enthusiastic, can-do attitude, service minded
  • **Can work as a shift (07:00-19:30, 19:30-07:00)

Key Responsibilities:

  • Product category: Cloud Solution service.
  • Carry out prospective activities within an assigned territory to develop a solid pipeline of sales opportunities.
  • Manage key aspects of the sales cycle including gathering requirements, demos, proof of concept, and product specification.
  • Present product and all features to customers at meetings and events
  • Troubleshooting client problems, answering questions from customers relating to solutions, and delivering technical enable men.
  • Build strong consultative relationships with individuals in customer and partner organizations to ensure customer and partner satisfaction.
  • Maintain up-to-date knowledge of industry, technical and competitive landscape to ensure the presentation and sale of the best client solutions.

Qualifications:

  • Bachelor’s/University degree, master’s degree in computer science, Information Technology, Engineering or equivalent
  • Experienced in Cloud Solution 3-5 years extensive in Telecommunication Business.
  • Experience working in a team collaboratively.
  • Self-Management to prioritize work and self-learning.
  • Well-developed teamwork habits and communication skills
  • Maintain an acceptable attendance record, be punctual, and meet deadlines.
  • Possess strong analytical and problem-solving skills.

Key Responsibilities:

  • Develop and maintain good relations with both new and existing customers.
  • Provide full information on products and services and arrange appointments with customers.
  • Handle full selling process from finding prospects, verifying opportunities until closing deals.
  • Communicate with Sales & Marketing team to gather required information for updating database and keep close relationship with customers.
  • Prepare sales forecasts, budgets, sales program and update the report as monthly basis.

Qualifications:

  • Work experience in Channel Sales, Project Sales or Corporate Sales and at least 2- 3 years extensive in Telecommunication Business.
  • Proficient in computer skills, especially MS Office.
  • Proficient in Presentation Skill, Negotiation Skill, and Sales Planning.
  • Good interpersonal relations.
  • Ability to work under pressure.
  • Having own car and driving license also knows direction in Bangkok and realm.

Key Responsibilities:

  • Manage key existing and create new business partners in the assigned markets targeting Telecommunication Service Provider in Asia Pacific
  • Understand and able to provide company’s products and services, including Telecommunication both Domestic, Cross Border System, Submarine Network, IP Transit/Peering, to prospects and business partners
  • Understand market situation and able to identify both opportunities and risks and present in quarterly report
  • Present business proposal both technical and commercial to executive audience
  • Complete all sales process starting with identifying customer requirements, prepare costing and solution, submit proposal, negotiation till close project
  • Good teamwork and well communication with related departments including Marketing, Product, Network, Procurement and Commercial to ensure end to end work process will deliver as company’s strategy

Qualifications:

  • Bachelor's Degree or master’s degree in IT, Telecommunications or any related fields
  • 3-5 years of experience in sales management or related fields i.e. International Sales, Import/Export, Overseas Sales etc.
  • Experience in Telecommunication, IP Transit/Peering, Dark fiber, and Colocation as a plus
  • Experience in network interconnection in Asia Pacific and understanding of internet infrastructure as a plus
  • Ability to travel abroad.
  • Good command in English and Thai (3rd language is a plus)
  • Proficient in communication, presentation, negotiation and sales planning skills
  • Proficient in computer skills, especially MS Office

Key Responsibilities:

  • Request quotations from vendors, negotiate the best price and terms, and record information in ERP systems.
  • Build and maintain good relationships with vendors, follow up on delivery status, and handle issues such as product claims or returns.
  • Create and review purchase orders in the ERP system and coordinate with related departments to ensure on-time delivery.
  • Coordinate with the ICT team to add new products or services into the system and submit requests for management approval.
  • Track product delivery and coordinate with related teams such as SDM and the warehouse.
  • Receive and check goods, verify invoices, and record information in the ERP system with supporting documents.
  • Collect required documents from new vendors, negotiate terms and conditions, and register vendor information in the purchasing system.

Qualifications:

  • Bachelor’s degree or higher in a related field
  • Ability to use ERP systems and related programs
  • Good negotiation skills
  • At least 3–5 years of experience in purchasing or vendor management
  • Good teamwork and communication skills

Key Responsibilities:

  • Coordinate internal resources and third parties/vendors for the flawless execution of services.
  • Ensure that all services are delivered on time and within scope.
  • Develop comprehensive project plans to be shared with clients as well as other staff members
  • Develop a detailed project plan to monitor and track progress
  • Implement and manage change when necessary to meet project outputs
  • Gather all completion information to handover service and ensure the service will be passed into the operation phase.

Qualifications:

  • Proven experience 2-5 years as Service Delivery Management, Project Management, Network Engineering or IT solution position.
  • Experience in SI company about ICT solution for 4 years”.
  • Excellent client-facing and internal communication skills
  • Strong leadership, analysis, negotiation, and problem-solving skill
  • Flexibility and ability to work and enjoy working under tight deadlines and handle pressure
  • Proven ability to lead & enable team and manage relationships with people for all levels ranging from senior management to working team members through collaboration and with high professionalism.
  • Good command of written and spoken English communication.

Key Responsibilities:

  • Design end-to-end architectures that seamlessly integrate core Enterprise Networks (SD-WAN, MPLS) with Hybrid Cloud and Enterprise AI/Data solutions (e.g., AI Chatbots, Big Data Management, Data Governance frameworks).
  • Act as a technical strategist and trusted advisor, translating complex AI, Cloud, and Security frameworks into clear, tangible business value for C-level executives.
  • Partner with the Sales team to lead technical discovery, handle high-value RFP/TOR documentations, build precise BoQs, and execute proof-of-concept (POC) sessions for advanced solutions.
  • Evaluate and benchmark emerging technologies from global infrastructure giants (Cisco, Fortinet, AWS/Azure) alongside modern AI and data tools to solve real-world enterprise constraints.
  • Oversee solution delivery frameworks to ensure that the sophisticated AI/Cloud architectures designed during presales are accurately executed by delivery teams.

Qualifications:

  • Experience 4–6+ years of proven success in Technical Pre-sales, Solution Architecture, or Technical Consulting within the IT, Telecommunications, or System Integration (SI) sector (Experience handling complex projects from major ISPs or Tier-1 SIs is highly preferred).
  • Bachelor’s degree in Computer Science, Computer Engineering, IT, Telecom Engineering, or a related field.
  • AI & Data Project Experience: Proven track record in designing or delivering infrastructure that supports AI applications, Big Data analytics, Data Migration, or Automated Q&A/Chatbot systems.
  • Strong understanding of Data Privacy, Security Governance, and deployment models (On-Premise vs. Local Cloud vs. Public Cloud) for sensitive enterprise/government data.
  • Proactive, commercially savvy, and an absolute passion for staying ahead of GenAI and ICT trends.
  • Excellent command of Business English, with the ability to lead high-level technical presentations smoothly.
  • Preferred Certifications Cloud & Data : AWS (Associate/Pro), Azure Solutions Architect (AZ-104/700), VCP, or Huawei (HCIA/HCIP).
  • Cybersecurity: Fortinet NSE (4/5/7), Palo Alto (PCNSA/PCNSE), CompTIA Security+, or CISSP.
  • Networking: CCNP, CCIE, or Aruba (ACMX/ACDX/ACCX).

Key Responsibilities:

  • Design end-to-end ICT and telecommunications solutions tailored to customer requirements.
  • Partner with Sales throughout the entire sales cycle, from discovery to proposal and solution presentation.
  • Engage directly with enterprise customers to understand business needs and recommend the most suitable solutions.
  • Prepare technical proposals, solution architecture, BOM, SOW, and RFP/RFQ responses.
  • Conduct technical presentations, workshops, and Proof of Concept (POC).
  • Collaborate with cross-functional teams to ensure solution feasibility and successful implementation.

Qualifications:

  • Bachelor’s degree in engineering, Computer Science, Information Technology, or a related field.
  • At least 3 years of experience in Pre-Sales, Solution Consulting, Network Engineering, or Solution Architecture.
  • Experience working with Enterprise or Global Business customers.
  • Strong knowledge of networking, cloud connectivity, and telecommunications technologies.
  • Experience preparing technical proposals and responding to RFP/RFQ/RFI.
  • Excellent communication and presentation skills.
  • Good command of English.
Contact HR
Contact our Human Resources Business Partner

SYMPHONY Communication Public Company Limited.

123 Suntowers Building B, 35th-36th Floor, Vibhavadee Rangsit Road., Chomphon, Chatuchak, Bangkok 10900 Thailand