30 System Administrators jobs in Thailand

ตำแหน่ง: Network Administratorหน้าที่หลัก:

• ดูแลเครือข่ายคอมพิวเตอร์ของบริษัท เช่น การกำหนดค่าและจัดการอุปกรณ์เครือข่าย
• ติดตั้ง ปรับแต่ง และดูแลระบบเครือข่าย เพื่อให้การเชื่อมต่อเป็นไปอย่างมีประสิทธิภาพ
• ตรวจสอบและแก้ไขปัญหาข้อขัดข้องต่างๆ ที่เกิดขึ้นกับระบบเครือข่าย
• จัดทำเอกสารและคู่มือการใช้งานระบบเครือข่าย
• ให้คำแนะนำและฝึกอบรมการใช้งานระบบเครือข่ายแก่พนักงาน

ทักษะ คุณสมบัติ และประสบการณ์:

• วุฒิการศึกษาระดับปริญญาตรีสาขาวิศวกรรมคอมพิวเตอร์ หรือสาขาที่เกี่ยวข้อง
• มีประสบการณ์ด้านการบริหารจัดการเครือข่าย อย่างน้อย 3 ปี
• มีความรู้เกี่ยวกับเทคโนโลยีสารสนเทศและระบบเครือข่ายคอมพิวเตอร์ เช่น LAN, WAN, Switch, Router, Firewall
• มีทักษะในการแก้ไขปัญหาเครือข่ายและให้คำแนะนำแก่ผู้ใช้งาน
• มีความสามารถในการสื่อสารและประสานงานได้เป็นอย่างดี

สมัครตำแหน่งงานนี้ด่วน

Do you aspire for a rewarding career that lets you do more and achieve more? Unleash your full potential at work with TDCX, an award-winning and fast-growing BPO company.

Work with the world's most loved brands and be with awesome, diverse people. Be home, belong, and start your journey to #BeMore Top Reasons to work with TDCX

Attractive remuneration, great perks, and performance incentives

Comprehensive medical, insurance, or social security coverage

World-class workspaces

Engaging activities and recognition programs

Strong learning and development plans for your career growth

Positive culture for you to #BeMore at work

Easy to locate area with direct access to public transport

Flexible working arrangements

Be coached and mentored by experts in your field

Join a global company, winner of hundreds of industry awards

What is your mission?

Lead the administration, maintenance, and optimization of the company's network infrastructure (LAN, WAN, WLAN, Firewalls, VPN, Load Balancers).

Oversee daily operations, ensuring network availability, stability, and security across multiple sites.

Proactively monitor and analyze network performance, identifying and resolving complex issues.

Perform advanced troubleshooting and escalation support for incidents that cannot be resolved by junior administrators.

Plan and execute network upgrades, configuration changes, and security enhancements in coordination with the IT Infrastructure and Security teams.

Develop and enforce network policies, standards, and procedures to ensure compliance with IT governance and security frameworks (ISO 27001, SOC 2, etc.).

Maintain accurate network documentation including topology diagrams, configuration baselines, and access control records.

Mentor and provide technical guidance to junior network and IT staff.

Work closely with vendors and service providers for advanced support and project delivery.

Who are we looking for?

Bachelor's degree in Computer Engineering, Computer Science, Information Technology, or related field.

5+ years of experience in network administration or a related IT infrastructure role, with at least 2 years in a senior or lead capacity.

Strong expertise in networking technologies including TCP/IP, Routing , Switching, VLANs, VPN, Wireless, and QoS.

Hands-on experience with enterprise-grade network devices such as Cisco, Fortinet, Palo Alto, FirePower, ForcePoint, or equivalent.

Solid understanding of network security principles, firewall management, IDS/IPS, and access control.

Proficiency with monitoring and diagnostic tools (e.g., SolarWinds, PRTG, Nagios, Wireshark).

Certifications such as CCNA, CCNP, Fortinet NSE, Palo Alto PCNSE, or CompTIA Security+ are highly desirable.

Strong leadership, problem-solving, and communication skills with the ability to work across teams and present to management.

Experience in multi-site enterprise or data center environments is a plus.

Who is TDCX?

Singapore-based TDCX is a global business process outsourcing (BPO) leader, offering advanced customer experience (CX) solutions, sales and digital marketing services, and content moderation. It caters to industries such as digital advertising, social media, e-commerce, fintech, gaming, healthtech, media, technology, and travel & hospitality.

TDCX's smart, scalable approach—driven by innovation and operational precision—positions it as a key partner for companies targeting tangible outcomes. With more than 20,000 employees across 39 locations worldwide, TDCX delivers robust coverage across Asia, Europe, and the U.S.

Visit for more info.

#BeMore

Do you aspire for a rewarding career that lets you do more and achieve more? Unleash your full potential at work with TDCX, an award-winning and fast-growing BPO company.

Work with the world's most loved brands and be with awesome, diverse people. Be home, belong, and start your journey to #BeMore

Job Summary: We are seeking a highly skilled and motivated IT Assistant Manager to support our IT operations, focusing on networking, firewall management, server administration, and IT security compliance (ISO The ideal candidate will assist in designing, implementing, and maintaining secure and reliable IT infrastructure while ensuring compliance with industry best practices.

What is your mission?

• Lead the administration, maintenance, and optimization of the company's network infrastructure (LAN, WAN, WLAN, Firewalls, VPN, Load Balancers).
• Oversee daily operations, ensuring network availability, stability, and security across multiple sites.
• Proactively monitor and analyze network performance, identifying and resolving complex issues.
• Perform advanced troubleshooting and escalation support for incidents that cannot be resolved by junior administrators.
• Plan and execute network upgrades, configuration changes, and security enhancements in coordination with the IT Infrastructure and Security teams.
• Develop and enforce network policies, standards, and procedures to ensure compliance with IT governance and security frameworks (ISO 27001, SOC 2, etc.).
• Maintain accurate network documentation including topology diagrams, configuration baselines, and access control records.
• Mentor and provide technical guidance to junior network and IT staff.
• Work closely with vendors and service providers for advanced support and project delivery.

Who are we looking for?

• Bachelor's degree in Computer Engineering, Computer Science, Information Technology, or related field.
• 5+ years of experience in network administration or a related IT infrastructure role, with at least 2 years in a senior or lead capacity.
• Strong expertise in networking technologies including TCP/IP, Routing , Switching, VLANs, VPN, Wireless, and QoS.
• Hands-on experience with enterprise-grade network devices such as Cisco, Fortinet, Palo Alto, FirePower, ForcePoint, or equivalent.
• Solid understanding of network security principles, firewall management, IDS/IPS, and access control.
• Proficiency with monitoring and diagnostic tools (e.g., SolarWinds, PRTG, Nagios, Wireshark).
• Certifications such as CCNA, CCNP, Fortinet NSE, Palo Alto PCNSE, or CompTIA Security+ are highly desirable.
• Strong leadership, problem-solving, and communication skills with the ability to work across teams and present to management.
• Experience in multi-site enterprise or data center environments is a plus.

Who is TDCX?

TDCX provides transformative digital CX solutions, enabling world-leading and disruptive brands to acquire new customers, build customer loyalty, and protect their online communities.

TDCX helps clients, including many of the world's best brands, achieve their customer experience aspirations by harnessing technology, human intelligence, and our global footprint. We serve clients in fintech, gaming, technology, home sharing and travel, digital advertising and social media, streaming, and e-commerce. Our expertise and strong footprint in Asia have made us a trusted partner for clients, particularly high-growth, new economy companies looking to tap the region's growth potential.

We pride ourselves on discovering and employing the best professionals to join us as we transform the outsourced CX industry. Our commitment to #BeMore for our people, our clients, and our community has led to us winning several hundreds of industry awards, including being one of the best companies to work for in Asia.

From our first-rate workspaces, above-industry-average compensation packages, career opportunities, to our workplace perks, find out what else is in store when you embark on a career with TDCX.

Responsibilities

- Manage and maintain IT infrastructure systems including servers, storage, networks, firewalls, cloud, and virtualization platforms.

- Install, monitor, and troubleshoot LAN, WAN, and Wi-Fi networks to ensure system availability and reliability.

• Administer file servers, backup systems, and IT security systems.

• Maintains Unified Communications, VoIP, and any related equipment, services, and platforms

• Manage and maintain Server ESXi/Server Nutanix/Server Hyper-V

• Manage and maintain Veeam Backup

• Manage and maintain AD/GPO/MS365/Azure AD Connect (AD Sync MS365)

• Manage and maintain AP Controller Aruba

• Coordinate with IT Support teams and external vendors to resolve issues and enhance infrastructure efficiency.

• Plan and perform preventive maintenance for IT infrastructure.

• Support IT transformation and digitalization projects within the organization.

• Prepare technical documentation, user manuals, and infrastructure status reports.

Qualifications

- Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or related fields.

- 3–5 years of experience in IT Infrastructure, System Administration, or Network Administration (depending on Officer/Senior level).

• Strong knowledge of Windows Server, Linux, VMware/Hyper-V, Microsoft 365, AWS, Azure, or other cloud platforms.

• Solid understanding of firewall, switch, router, load balancer, and network security concepts.

• Professional certifications such as CCNA, MCSA, Azure/AWS Certification are an advantage.

• Strong problem-solving and technical analytical skills with good teamwork and communication abilities.

Responsibilities

- Manage and maintain IT infrastructure systems including servers, storage, networks, firewalls, cloud, and virtualization platforms.

- Install, monitor, and troubleshoot LAN, WAN, and Wi-Fi networks to ensure system availability and reliability.

• Administer file servers, backup systems, and IT security systems.

• Maintains Unified Communications, VoIP, and any related equipment, services, and platforms

• Manage and maintain Server ESXi/Server Nutanix/Server Hyper-V

• Manage and maintain Veeam Backup

• Manage and maintain AD/GPO/MS365/Azure AD Connect (AD Sync MS365)

• Manage and maintain AP Controller Aruba

• Coordinate with IT Support teams and external vendors to resolve issues and enhance infrastructure efficiency.

• Plan and perform preventive maintenance for IT infrastructure.

• Support IT transformation and digitalization projects within the organization.

• Prepare technical documentation, user manuals, and infrastructure status reports.

Qualifications

- Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or related fields.

- 3–5 years of experience in IT Infrastructure, System Administration, or Network Administration (depending on Officer/Senior level).

• Strong knowledge of Windows Server, Linux, VMware/Hyper-V, Microsoft 365, AWS, Azure, or other cloud platforms.

• Solid understanding of firewall, switch, router, load balancer, and network security concepts.

• Professional certifications such as CCNA, MCSA, Azure/AWS Certification are an advantage.

• Strong problem-solving and technical analytical skills with good teamwork and communication abilities.

Responsibilities:

• Ensuring that all malfunctioning equipment is inspected and repaired in a timely manner.
• Assist in network design, implementation, and maintenance
• Provide network support across organizational operating systems
• Maintain stable and consistent connectivity across all network computers
• Prepare, implement, and monitor disaster procedures and recovery
• Maintain network servers and associated hardware, software, services, and settings
• Recommend, test, and implement system and security upgrades
• Consistently monitor and troubleshoot network stability and performance
• Create, adjust, and maintain network user settings and permissions
• Write technical support documentation for network systems and applications
• Providing day-to-day network operation support for end users.
• 2nd tier level network support ticketing system under SLA.
• Network Asset Inventory Management.
• Network Project Management experience.
• Keen in learning new technologies.
• Managing technical documentation / Instruction guide.
• Support Security
• Log all activity in the Ticketing system
• Gain Satisfaction feedback from users regarding team services.
• Handle Network firmware & security patch update.
• Follow ISO with Network security
• Performs other related duties as assigned.

Requirements:

• Bachelor's degree in computer science, information technology, or related field.
• Network technical support or help desk experience 3-5 years.
• Ability to identify, research, and resolve technical problems.
• Ability to work as part of a team and dependently.
• Flexible with change, work well under pressure and in a fast-paced environment.
• Basic knowledge of windows os and mac os.
• Self-motivated; work well independently and with a team.
• Knowledge in NAC (Aruba Clearpass,Cisco, HP, etc.) & Firewall (Fortinet,Sonic Wall, etc.) Implementation and troubleshooting.
• Knowledge in telephony systems (SIP Phone, MixSIP, PBX, E1 Trunk, SIP Trunk,
• VoIP, UC, Cloud Telephoney. etc)
• Knowledge in Network monitoring, log management and organization risk management.
• Strong work ethic and attention to detail.
• Knowledge of Atlassian tools (Jira, Confluence) will be an advantage.
• Knowledge in G-Suite or Google Workspace (Gmail, GSheet, GDrive, GDoc, Meet, etc.) and troubleshooting.
• Strong communication & customer-service skills.

Note:

• Network Admin must come to work at the office 3-5 days a week and 2 locations are supported. (TDPK and Fortune Town)
• After passing the probationary period WFH 1-2 days a week will be provided.

Location : Bangkok (BTS - Phayathai) >> Thailand Nationality only

Type : Contract 12 Months (Extend and Convert to permanent)

• Team Lead Position
  
  70% Operations Work, 10% Management, 20% Project Work
  
  Reasonable English
• Systems Admin with AZURE, MS 365, AWS, Linux and MS Server experience
  
  MCSE or equivalent certification
• Knowledge of basic IT routers, firewalls, IP stack and services such as DNS, DHCP etc
• Knowledge of wireless networking including 802.11, some knowledge of IoT would be an advantage
  
  BONUS if they have experience in maintaining web servers etc such as WordPress…BONUS experience with migrations from Hybrid to Cloud AD, AD consolidation experience.

Position: IT System Admin

Level : Senior

Benefits: SSO, Health Insurance, Health check-up, Bonus (ขึ้นอยู่กับผลประกอบการของบริษัท)

Contract Period: 12 Months (First 4 months for performance evaluation before renewing the contract)

Working Hours: Mon-Fri 09:00 - 18:00 น.

Location: BTS Asok 21

RESPONSIBILITIES:

1. Manage Windows Server, Active Directory (AD), Microsoft 365 Admin Center, and Microsoft Entra ID (Azure AD) for user and group administration.

2. Coordinate with cloud/internet service providers to implement network-related tasks (TCP/IP, DNS, DHCP, firewall, network segmentation).

3. Install software and deploy Endpoint Protection/EDR systems on employee devices.

4. Follow and execute system backup and recovery plans (as designed by consultants); participate in Disaster Recovery (DR) drills.

5. Monitor alerts from SIEM tools (e.g., Microsoft Sentinel) and escalate incidents appropriately.

6. Open and manage support tickets with vendors and service providers; follow up until resolution.

7. Read and understand technical documentation to maintain systems post-deployment.

8. Communicate technical issues and system changes clearly to non-technical users and executives.

9. Provide user support, including troubleshooting Outlook, OneDrive, and secure access (ZTNA).

Qualifications:

1. Bachelor's degree in computer science, Information Technology, or a related field (or equivalent experience).

2. Solid understanding of Operating Systems and Directory Services (Windows Server, Active Directory).

1. Experience managing Microsoft 365 Admin Center and Entra ID (Azure AD) including user/group administration, license assignments, etc.

2. Basic knowledge of Networking Fundamentals TCP/IP, DNS, DHCP, firewall principles.

3. Basic understanding of SIEM systems (e.g., Microsoft Sentinel) and incident escalation processes.

4. Service-minded with a strong ability to support end users (~50 employees), including remote support and troubleshooting.

5. Strong teamwork and learning mindset willing to learn new technologies from consultants and apply them.

6. Proficiency in both English and Thai is an advantage.

Role: System Engineer/ System Admin

Location: Bang Na, Bangkok

Job Type: Permanent

Responsibilities:

• Install, configure, and maintain Windows Server environments (2016/2019/2022).
• Manage backup and restore operations using Veritas NetBackup (or similar tools).
• Administer Hyper-V virtualization and Nutanix AHV platforms.
• Maintain and troubleshoot physical server hardware.
• Monitor system performance, availability, and security across all environments.
• Perform patch management, updates, and security hardening.
• Manage Active Directory, DNS, DHCP, Group Policies, and related services.
• Support business continuity through disaster recovery planning and testing.
• Document system configurations, procedures, and troubleshooting steps.
• Collaborate with application, network, and security teams to resolve infrastructure issues.

Qualifications:

• Minimum 5 years of experience as a System Administrator or similar role.
• Good English Communication is a must.
• Strong knowledge of Windows Server administration.
• Hands-on experience with Veritas NetBackup (or equivalent enterprise backup solution).
• Proficiency in Hyper-V and Nutanix AHV management.
• Experience working with physical servers (rack/standalone/blade).
• Good understanding of networking concepts (TCP/IP, VLANs, DNS, DHCP).
• Strong troubleshooting and problem-solving skills.
• Ability to work independently and manage priorities.

Added Advantage (Preferred Skills):

• Working knowledge of Linux administration (SuSE, Red Hat, or Ubuntu).
• Exposure to Cloud platforms (Azure, AWS).
• Knowledge of automation and scripting (PowerShell, Shell).
• Experience with monitoring tools (SolarWinds or anything similar)