ตำแหน่งงานว่าง
ร่วมงานกับเราดีอย่างไร?
เราคือผู้ให้บริการเครือข่ายโทรคมนาคมในประเทศไทย ภายใต้แบรนด์ “ซิมโฟนี่” โดยเรามุ่งมั่นที่จะปรับปรุงประสิทธิภาพเครือข่ายอย่างต่อเนื่อง ขยายความครอบคลุมเชิงกลยุทธ์เพื่อเพิ่มฐานลูกค้า รองรับการเติบโตในอนาคต และส่งมอบบริการที่ดีที่สุดแก่ลูกค้าเพื่อให้มั่นใจได้ว่าลูกค้าจะได้รับ “ประสบการณ์ที่เป็นเลิศ”
เราเป็นผู้ให้บริการด้านการสื่อสารที่ได้รับการยอมรับในตลาด ด้วยแนวคิดที่เรามุ่งมั่นที่จะให้บริการลูกค้าอย่างเต็มที่ ผ่านคำมั่นที่เราให้ไว้ว่า Excellent Experience นอกจากนี้เรายังมองหาโอกาสเติบโตทางธุรกิจใหม่ๆ เพื่อตอบสนองความต้องการของลูกค้าท่ามกลางการเปลี่ยนแปลงทางเทคโนโลยีที่เปลี่ยนไปอย่างรวดเร็ว
เราจึงต้องการทีมงาน และบุคคลากรที่มีความสามารถ ที่มีความมุ่งมั่นเดียวกับเราในการให้บริการลูกค้าอย่างดีที่สุด ร่วมเป็นส่วนหนึ่งของทีมของเราและช่วยกันสร้างประสบการณ์การให้บริการที่ดีที่สุดให้กับลูกค้าของเรา

ตำแหน่งที่เปิดรับสมัคร
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:
- 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:
- 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:
- 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:
- 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:
- 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 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:
- 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:
- 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.
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:
- 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:
- 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:
- 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:
- 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:
- 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:
- 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
บริษัท ซิมโฟนี่ คอมมูนิเคชั่น จำกัด (มหาชน)
123 ซันทาวเวอร์ส อาคารบี ชั้น 35-36 ถนนวิภาวดีรังสิต แขวงจอมพล เขตจตุจักร กรุงเทพฯ 10900