Our Jobs
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:
- 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
SYMPHONY Communication Public Company Limited.
123 Suntowers Building B, 35th-36th Floor, Vibhavadee Rangsit Road., Chomphon, Chatuchak, Bangkok 10900 Thailand