114 Network Administration jobs in Thailand

Responsibilities:

• Provide technical support and troubleshooting for network-related issues across the organization.
• Monitor, maintain, and optimize network infrastructure including LAN, WAN, Wi-Fi, routers, switches, firewalls, and access points.
• Assist in the installation and configuration of network hardware and software.
• Collaborate with IT teams to ensure seamless connectivity and system integration.
• Document network configurations, incidents, and resolutions for future reference.
• Coordinate with Internet Service Providers (ISPs) and external vendors to resolve connectivity issues.
• Support network security initiatives by implementing and maintaining security protocols and tools.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Basic understanding of TCP/IP, routing, switching, and network protocols.
• Minimum 1–2 years of experience in network support or related IT roles.
• Certifications such as CompTIA Network+, Cisco CCNA are a plus.
• Strong problem-solving and communication skills.
• Ability to work independently and as part of a team.

We are seeking a proactive and detail-oriented Network L1 Support Engineer in Navi Mumbai, India. The role involves providing first-line technical support for network-related issues, ensuring smooth operations, and escalating complex incidents to higher-level support when necessary. The ideal candidate should have a solid understanding of networking fundamentals, troubleshooting skills, and the ability to work in a fast-paced environment.

About the Role

The role involves providing first-line technical support for network-related issues, ensuring smooth operations, and escalating complex incidents to higher-level support when necessary.

Responsibilities

• Monitor and maintain network infrastructure, including switches, routers, firewalls, and wireless devices.
• Provide first-level support for network incidents, connectivity issues, and user queries.
• Perform basic troubleshooting of LAN, WAN, and VPN connectivity problems.
• Escalate unresolved issues to L2/L3 engineers or vendors with detailed logs and documentation.
• Monitor network performance using tools and generate reports as required.
• Assist in implementing routine changes, updates, and patch management on network devices.
• Maintain accurate documentation of network incidents, troubleshooting steps, and solutions.
• Provide support for end-users on connectivity and access-related problems.
• Work closely with the IT team to ensure timely resolution of service requests and incidents

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or a related field (or equivalent experience).
• 2–3 years of experience in IT/network support roles.

Required Skills

• Strong understanding of networking fundamentals (TCP/IP, DNS, DHCP, VLANs, routing, switching).
• Hands-on experience with Cisco, Juniper, or similar network devices (preferred).
• Familiarity with firewalls, VPN, and wireless technologies.
• Basic knowledge of network monitoring tools (e.g., SolarWinds, PRTG, Nagios).
• Excellent troubleshooting and problem-solving skills.
• Strong communication and customer service skills.
• Ability to work in shifts, including weekends if required.

Preferred Skills

• CCNA (Cisco Certified Network Associate) or equivalent.
• CompTIA Network+ or similar entry-level networking certifications.

Job Description:

Expert Internetworking knowledge and experience

o Expert knowledge on Routing (e.g. BGP, EIGRP, OSPF, PIM, GRE, VRF etc.), Switching (VPC, STP, etherchannel etc.), configuration and troubleshooting.

o VPN technologies experience be it IPSec using firewalls, routers or other interoperable devices, both setup and troubleshooting

o Nexus 9K, 7K, 5K, and 2K configuration and troubeshooting

o Cisco ISR4K, ASR, configuration and troubleshooting

Good knowledge on Citrix SD-WAN

o configuration and troubleshooting.

Good Knowledge on Forescout NAC

o Troubleshooting incidents.

o Knowledge on policies setup

Good knowledge on Wireless LAN solutoin

o Cisco Wireless LAN configuration and troubleshooting.

o Aruba Wireless LAN configuration and troubleshooting.

Others

o Knoweldge on analyzing packet capture/wireshark output

o Knowledge on supporting McAfee NSM and IPS sensors

o Knowledge on supporting HP Network Automation (HPNA) Tool

o Knowledge on supporting Cisco ISE / Cisco ACS

o Knowledge on Azure networking (VNET peering, ExpressRoute, NSG etc)

About the job:

Rex Technologies, a leading IT Infrastructure services provider, is hiring currently for Desktop Support Engineer for our clients across Globally. Please find below the Job description as well as the company's details for your reference.

ABOUT US: -

Rex Technologies, is a leading IT Managed and infrastructure services provider offering holistic vendor agnostic hardware and managed service solutions globally. We work closely with our customers and undertake full accountability of their goals by providing end to end support at every stage of the IT hardware lifecycle i.e., from consulting, procurement, maintenance support all the way to Green Disposal and data destruction – all under one roof. Rextech Global propagates agility and delivers service excellence to our customers comprising Global Multi-National Companies across more than 180 countries worldwide.

Our URL: -

JOB DESCRIPTION: - Desktop Support Engineer

Roles & responsibilities:

Desktop Technician will provide day to day local
emote desktop support, receive inbound calls, answer questions, troubleshoot and document steps performed to resolve challenges with hardware, software, and application issues in a ticketing system. The candidate will also need to facilitate customer resolution for calls and engage their supervisors and managers to ensure operational consistency across all shifts within the IT Support Centre. Desktop Support provides Break Fix, fault diagnosis and resolution. Providing fault analysis to customer's various core operating systems and platforms, as well be able to provide support and apply desktop fault resolution for the approved application suite.

Required Technical Skills- Ticketing Systems – ServiceNow / ITSM/ CA, PC Building using SCCM, Active Directory, GP Update, Re-imaging of Laptops, Bit locker, Network Printers, Networking, Installations & Troubleshooting.

Functions include:

· Windows 10-11, Microsoft Active Directory, MS Office 365, PC hardware installation and troubleshooting, Enterprise anti-virus solutions, Helpdesk ticketing systems.

· Excellent communication relationship-building and internal customer service skills

· Willing to work off-hours and weekends when required for projects or emergency support.

· Provide first level contact and problem resolution for customer issues.

· Work with Third Party Vendors to remediate complex AV issues as needed.

· Provide timely communication on issue status and resolution.

· Maintain ticket updates for all reported incidents.

· Install, upgrade, support and troubleshoot Windows 11, Windows 10 and Microsoft Office 2019, 2021 and 365, Cisco Jabber, another authorized desktop application.

· Should have basic knowledge of Mac operating system, to support Apple pc users.

· Install, upgrade, support and troubleshoot for printers, computer hardware.

· Performs general preventative maintenance tasks on computers, laptops, printers.

· Performs remedial repairs on Desktops, laptops, printers and any other authorized peripheral equipment.

· Use diagnostic tools to troubleshoot problems associated with network connectivity, and workstation hardware/software.

· Broad experience of IT with basic understanding of Networks, Servers, Audio/Visual, Smart Devices and Telecoms.

· This position requires the ability to work in a project-based environment requiring flexibility and teamwork. Performs other duties as assigned.

· Provide L1 – L2 support to non‐network attached printers.

Job Types: Full-time, Contract

Work Location: In person

What You Can Expect :

• Be the initial point of contact for local bidding received from Sales Department.
• Review bidding information, requirements and ensure completeness for further processing.
• Prepare, verify, and organize all required documentation for local bidding.
• Regularly coordinate with internal and external country procurement to compile all costs.
• Review all costs received from each country procurement in accordance with customer's conditions.
• Record details of bidding and tracking of progress updates.
• Ensure timely submission of final rate sheet with summarize conditions to account owner.
• Upload costs in system and ensure that it is updated with latest carrier charges and cost variations.
• Collaborate with other departments to maintain accurate, real-time data in the system.
• Prepare monthly updates to Superior.
• Be a backup person in charge of team for rate inquiries from oversea offices.
• Perform ad-hoc tasks as assigned.

What You Bring:

• Bachelor's degree or higher in Business Administration, Logistics, or any related fields.
• Experience in Sales and Marketing in freight forwarding (preferable)
• Good knowledge of incoterms, pricing structures and process of import-export (preferable)
• Good in communication skills, particularly in liaising with international partner.
• Proficiency in Microsoft offices (Excel, Word, PowerPoint, and Outlooks)
• High detail-oriented, conducting analysis with a high degree of accuracy and data integrity.
• Strong interpersonal and communication skills.
• Service-minded with a high degree of ownership as well as customer-focused.
• Strong problem-solving skills and an analytical mindset.
• Ability to handle multiple tasks with good time management and prioritization.
• Highly self-motivated and enthusiastic.
• Strong adaptability to dynamic business needs and challenges.

Network & Technical Support Specialist

• ออกแบบ LAN/WAN/Wi-Fi/VPN และกำหนดค่าอุปกรณ์เครือข่าย (Switch, Router, Firewall)
• ตรวจสอบ วิเคราะห์ปัญหาเครือข่าย เช่น packet loss, latency, bandwidth bottleneck
• ให้บริการ Helpdesk รับงานผ่านระบบ Ticket แก้ไขปัญหา PC, Printer, Wi-Fi, VoIP, VPN
• บริหารจัดการผู้ใช้งานและบริการ Microsoft 365 (Azure AD, Exchange Online, Teams, SharePoint, Intune)
• ติดตั้ง ดูแล และอัปเดตระบบปฏิบัติการ Linux (Ubuntu, CentOS, RHEL)
• ปรับจูน MySQL Performance: query optimization, indexing, replication, backup/restore, monitoring (PMM, Datadog)
• เพิ่มประสิทธิภาพ PHP: ตั้งค่า PHP-FPM; ใช้ OPcache, profiling tools และวิเคราะห์คอขวดแอปพลิเคชัน
• เสริมความปลอดภัย Linux OS: ตั้งค่า SSH hardening; SELinux/AppArmor; firewall (iptables/ufw); OS patching ตาม CIS benchmark
• เขียนสคริปต์ Shell, PowerShell หรือ Python เพื่ออัตโนมัติการตั้งค่า ข้อกำหนดความปลอดภัย และการอัปเดตระบบ
• จัดทำเอกสารขั้นตอนการตั้งค่า คู่มือผู้ใช้งาน และแผนกู้คืนระบบ

คุณสมบัติ

• ปริญญาตรี สาขา Computer Science, Information Technology หรือสาขาใกล้เคียง
• ประสบการณ์ 3–6 ปี ในสาย Network หรือ IT Support
• สามารถปฏิบัติงาน onsite ที่สำนักงานได้ (ตึก FYI อาคารที่ 2 : ที่ตั้งตึกติดกับ BRT ศูนย์ประชุมสิริกิติ์ ทางออกที่ 1)
• เชี่ยวชาญ Linux administration และ security hardening
• มีประสบการณ์ MySQL performance tuning และการบริหารฐานข้อมูลสเกลใหญ่
• คุ้นเคย PHP-FPM, OPcache, และเครื่องมือ profiling
• เข้าใจ TCP/IP, OSPF, BGP, VLAN, STP, QoS, VPN fundamentals
• เขียนสคริปต์ Shell หรือ Python เพื่ออัตโนมัติและ orchestration

• ทักษะสื่อสารภาษาอังกฤษสำหรับอ่านเอกสารทางเทคนิคและประสานงานกับ Vendor

• ใบรับรอง Cisco (CCNA/CCNP), Microsoft 365 Certified, RHCE หรือ CKA (ถ้ามี)

• ประสบการณ์ Cloud Networking (AWS VPC, GCP VPC, Azure VNet) (ถ้ามี)

ดูแลระบบ Server (Windows Server, Domain Controller, Database, File, Virtualization)

บริหารจัดการ Network (LAN, WAN, VLAN, Firewall, VPN, Switch, Router)

ดูแลระบบ Security (Firewall, Endpoint Antivirus, Backup & Recovery)

ติดตั้ง/แก้ไขปัญหา Hardware, Software และอุปกรณ์ IT

Support ผู้ใช้งาน (Helpdesk)

คุณสมบัติผู้สมัคร

1. ไม่จำกัดเพศ
2. อายุ ปี
3. วุฒิ ปวส./ปริญญาตรี สาขาที่เกี่ยวข้อง
4. มีประสบการณ์ทำงานด้าน IT Infrastructure หรือที่เกี่ยวข้องด้านการติดตั้งลงโปรแกรม เชื่อมต่อระบบ อย่างน้อย 2 ปี
5. มีความละเอียดรอบคอบ คุยกับลูกค้า ประสานงานร่วมกับทีมได้ดี

Job Summary:

The System Administrator is responsible for the maintenance, configuration, and reliable operation of computer systems, servers, and network infrastructure. This role ensures the stability, security, and efficiency of IT systems to support business operations.

Key Responsibilities:

1. System Maintenance & Administration:

• Install, configure, and maintain servers (Windows/Linux), virtualization platforms (VMware/Hyper-V/Nutanix)  and cloud services (AWS/Azure/GCP).

• Perform regular system updates, patches, and upgrades.

• Monitor system performance, troubleshoot issues, and ensure high availability.

• Manage user accounts, permissions, and access controls (Active Directory, LDAP, IAM).

1. Network & Security Management:

• Administer network infrastructure (firewalls, switches, routers, VPNs).

• Implement and maintain security policies, backups, and disaster recovery plans.

• Conduct security audits, vulnerability assessments, and apply fixes.

• Ensure compliance with IT security standards (ISO 27001, NIST, GDPR).

1. Backup & Disaster Recovery:

• Schedule and verify data backups (on-premise & cloud).

• Test and maintain disaster recovery procedures.

1. IT Support & Troubleshooting:

• Provide Level 2/3 technical support for hardware, software, and network issues.

• Document system configurations, procedures, and incident reports.

1. Automation & Optimization:

• Automate repetitive tasks using scripting (PowerShell, Bash, Python).

• Optimize system performance and resource utilization.

1. Vendor & Stakeholder Coordination:

• Liaise with vendors for hardware/software procurement and support.

• Assist IT projects (migrations, deployments, upgrades).

Qualifications & Skills:

• Education: Bachelor's degree in IT, Computer Science, or related field (or equivalent experience).
• Experience: 3+ years in system/network administration.

Technical Skills:

• OS: Windows Server, Linux (RHEL, Ubuntu).
• Virtualization: VMware, Hyper-V, Kubernetes/Docker.
• Cloud: AWS, Azure, or Google Cloud.
• Networking: TCP/IP, DNS, DHCP, VLANs, VPNs.
• Security: Firewalls, antivirus, SIEM tools.
• Scripting: PowerShell/Bash/Python.

Certifications (Preferred):

• Microsoft Certified: Azure Administrator / Windows Server.
• CompTIA Server+, Linux+, or Red Hat Certified Engineer (RHCE).
• Cisco CCNA or VMware VCP.

Soft Skills: Problem-solving, teamwork, communication, time management.

Work Conditions:

ü  May require after-hours support for emergencies.

ü  Hybrid/on-site work depending on organization needs.

DSGPay (Bahtsmart Company Co., Ltd.) A fast-growing Fintech company is focused on disrupting and delivering innovative solutions to the Asian payment markets. DSGPay services a broad range of Asian, European, and USA business clients, allowing it to grow its business into Asia and Oceania. It has also been operating a successful cross-border retail payments platform since 2014.

We are seeking a skilled System Administrator to manage our IT infrastructure, ensure high availability, and safeguard system security. This role will oversee system and database management, access control, deployments, and incident response, while driving innovation and automation in IT operations.

System Administration & Infrastructure Maintenance

• Provision, install, configure, operate, and maintain system hardware, software, and related infrastructure.
• Manage workload setups, system tuning, upgrades, backups, and repairs while minimizing disruption to production.
• Ensure the integrity of networks, servers, and communication channels, completing IT work requests on time.
• Conduct ongoing performance monitoring, resource optimization, and hardware upgrades as required.
• Maintain staging/test environments to support production readiness.

Monitoring & Incident Management

• Set up and maintain monitoring tools to verify system integrity, resource availability, logs, backups, and scheduled jobs.
• Actively track system health and respond to incidents end-to-end, including diagnosis, communication, risk assessment, resolution, and documentation.
• Take ownership of production incidents, coordinating with stakeholders and delegating tasks where necessary.

Access Control & User Administration

• Administer and maintain user accounts, profiles, and access permissions.
• Control system access rights and enforce security policies to ensure proper authorization.
• Document and regularly review access rights to comply with internal policies and regulatory standards.

Cybersecurity, Risk & Compliance

• Maintain system and network security in alignment with organizational IT Risk Policies and regulatory requirements.
• Participate in cybersecurity initiatives, vulnerability remediation, and penetration test follow-ups.
• Implement and maintain reliable backup, disaster recovery, and business continuity processes.

Production Deployment & Change Management

• Execute, validate, and monitor production deployments.
• Assess readiness, communicate changes across teams, and reject non-compliant deployments to minimize risks.
• Ensure smooth rollout of updates and enhancements while maintaining operational stability.

Database Management

• Manage the performance, reliability, and security of company databases.
• Perform database upgrades, backups, recovery, and issue resolution.
• Monitor database activity and ensure compliance with security and integrity standards.

Technical Research, Innovation & Automation

• Conduct research and development to enable innovation in infrastructure and system design.
• Explore automation, AI tools, and Internal Developer Platforms (IDP) to improve efficiency.
• Troubleshoot advanced issues (e.g., message queue instability) and recommend future system improvements.

Documentation & Knowledge Management

• Maintain accurate, clear, and up-to-date IT documentation, including systems, infrastructure, security protocols, compliance requirements, and operational procedures.
• Provide recommendations and reports for future upgrades and process improvements.

• At least 3 years proven experience in system administration, infrastructure, and database management.
• Skills in Unix, Databases, and Infrastructure maintenance.
• Cloud service experience, esp. Amazon Web Services would be preferred.
• Strong knowledge of networking, cybersecurity, and access control.
• Hands-on experience with backups, disaster recovery, and monitoring tools.
• Ability to handle incidents end-to-end with clear communication and ownership.
• Familiarity with automation, scripting, or cloud technologies is a plus.
• Thai and English languages.
• Good analytical, written, verbal and interpersonal communication skills
• Love living in Chiang Mai, and want to work for a global company.

• Proactive approach to identifying and mitigating issues in order to help prevent production incidents from occurring
• Analytical and troubleshooting skills.
• Attention to detail and strong documentation habits.
• Excellent communication and collaboration across the teams.
• Ability to prioritize tasks and incidents efficiently according to business needs.
• Effective time management for handling multiple tasks while managing pressured situations in a dynamic environment.