112 System Maintenance jobs in Thailand

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.

Role & Responsibilities

• Install, configure, and maintain servers, virtual server, server on cloud including operating systems (Windows, Linux)
• Manage internal corporate networks (LAN, WAN, Wi-Fi) and network devices such as switches, routers, firewalls.
• Manage and administer user accounts in Active Directory and Authentication systems
• Check and prevent cyber threats such as malware or ransomware attacks.
• Set system access rights and control usage for data security.
• Ensure security through access controls, backups, and firewalls
• Monitor and manage Storage, Virtualization (VMware, Nutanix), and Cloud Services.
• Manage backup and disaster recovery systems.
• Troubleshoot hardware, software, and network issues for users
• Maintain and improve software updates and patch management
• To prepare annual maintenance, preventive maintenance, correction problem and make report
• Monitor performance and maintain systems according to requirements
• Manage and monitor all installed systems and infrastructure
• Troubleshooting computer and network problems and diagnosing and solving hardware or software faults.
• Proactively ensure the highest levels of systems and infrastructure availability
• Support new IT projects for the group company
• Analyze and plan to increase efficiency of the organization's IT system

Special Qualification (if any):

IT certifications such as CompTIA, CCNA, Microsoft Certified: Azure Administrator, or AWS Certified Solutions Architect.

Responsibilities:

• Assist in the creation of the system design for all new development projects.
• Work closely with customer and other departments to solve the problems and provide testing support.
• Implement new/upgrade existing system management products environment
• Maintain and support system management products, including handling technical defects, applying security patches, and ensuring security hardening.
• Provide guidance and conduct knowledge transfer sessions to IT system administrators and the operations team.
• Offer ongoing support for future enhancements and customization requests tailored to specific needs
• Ensure the availability and optimal functionality of system management products.
• Assist in implementing and supporting network management.
• Contribute to the development and maintenance of user guides
• Be available to work outside of regular hours as needed
• Provide 24/7 support for all services when required
• Perform any other tasks as assigned by management.

Qualification:

• At least 3 years of hand-on experience in implementing, managing and supporting two or more of the following systems and management products:

• Servers: Lenovo, Dell

• Databases: MySQL, ELK, etc.
• Operating Systems: CentOS, Ubuntu, Microsoft
• Virtual Machines (VM): VMware ESXi, KVM
• Other Tools: Veeam Backup, Database Replication, Monitoring Tools
• Basic knowledge of networking concepts.
• Strong team player with a service-oriented attitude and the ability to work in a fast-paced environment.
• Self-starter with excellent interpersonal, communication, and documentation skills.
• Detail-oriented with strong analytical and problem-solving abilities.
• Quick learner and self-motivated individual with a positive, can-do attitude.
• Fluent in Thai and Good communication in English
• No visa/ work permit provided

Work location: Near BTS Chong nonsi

Thai Payment Network Co.,Ltd.

173/19 Asia Centre Building 18th Floor, South Sathorn Road,

Thungmahamek Sub-District,  Sathorn District, Bangkok 10120

• มีประสบการณ์ทำงานในตำแหน่ง System Administrator, Network Administrator,

• มีประสบการณ์ในการดูแลระบบเซิร์ฟเวอร์และเครือข่าย รวมถึงการติดตั้งและดูแลระบบ Virtualization เช่น VMware หรือ Hyper-V

• มีความรู้เกี่ยวกับโครงสร้างและการทำงานของระบบเครือข่าย เช่น TCP/IP, DNS, DHCP, VPN รวมถึงการกำหนดค่าอุปกรณ์เครือข่าย เช่น Router และ Firewall

• มีความรู้และประสบการณ์ในการใช้งานและจัดการระบบปฏิบัติการต่าง ๆ เช่น Windows Server,IIS, Linux, รวมถึงการเขียนสคริปต์พื้นฐาน เช่น Bash, PowerShell

• มีความรู้และประสบการณ์ในการจัดการสำรองข้อมูลและกู้คืนข้อมูล รวมถึงการทำ Disaster Recovery Plan เพื่อป้องกันความเสี่ยงในการสูญหายของข้อมูล

• มีประสบการณ์ Linux จะพิจารณาเป็นกรณีพิเศษ

หน้าที่และความรับผิดชอบ

ประสานงานและควบคุมงานร่วมกับผู้ให้บริการระบบ (Vendor) ภายใต้ Maintenance Agreement (MA)

ทำหน้าที่เป็นจุดติดต่อหลักระหว่างบริษัทและ Vendor เพื่อดูแลการแจ้งปัญหา การติดตามผล การอัปเดตระบบ และการดำเนินงานต่าง ๆ ตามรอบ MA

รวบรวมและจัดลำดับความสำคัญของข้อกำหนด (Requirement) หรือปัญหา (Issue) จากฝ่ายต่าง ๆ และสื่อสารให้ Vendor ทราบ

บริหารจัดการสิทธิ์การเข้าถึงระบบ (Access Control Management) ตามแนวทาง Role-Based Access Control (RBAC)

ดำเนินการสร้าง ปรับปรุง และระงับสิทธิ์การใช้งานระบบต่าง ๆ เช่น ระบบเทรด ระบบบัญชี ระบบทองคำ ระบบคลัง และระบบ KYC

จัดทำและดูแลบันทึกการเข้าใช้งานระบบ (Access Log) รวมถึงสนับสนุนการตรวจสอบโดยทีม Compliance / Risk เพื่อให้เป็นไปตามข้อกำหนดด้าน Cybersecurity

ตรวจสอบสถานะการทำงานของระบบหลังบ้าน และประสานงานเมื่อพบปัญหาจากผู้ใช้งาน

จัดทำรายงานการใช้งานระบบ การร้องขอสิทธิ์ และสถานะการเข้าถึงระบบต่าง ๆ

ดูแลการติดตั้งและต่ออายุ SSL Certificate และ License ที่เกี่ยวข้องกับระบบ

สนับสนุนการจัดเตรียมเอกสารสำหรับผู้ตรวจสอบบัญชีหรือหน่วยงานกำกับดูแล

สนับสนุนงานอื่น ๆ ตามที่ได้รับมอบหมาย

As a Systems Administrator, you will be responsible for delivering top-tier technical support to end users across our global network. Your expertise in troubleshooting a wide range of technical issues, coupled with your collaborative approach, will contribute to the seamless operation of our IT environment. You will also play a pivotal role in collaborating with the corporate IT Team to implement global projects and address critical network and system challenges. This role requires a strong technical background and proficiency in both the native Thai language and English.

Responsibilities and Duties

• End User Support: Provide timely and effective technical support to end users across the organization, addressing issues related to operating systems, networking, printers, VPN, shared folders, and productivity software. Providing employees, and remote Thailand employees, with appropriately configured endpoint hardware and access to corporate resources.
• Troubleshooting: Diagnose and resolve technical problems reported by end users, utilizing your expertise in OS, network, printer, VPN, shared folder, and productivity software issues (e.g., connecting to internet, Wi-Fi, network, VPN, etc.).
• Global Project Collaboration: Work closely with the corporate IT Team to successfully implement global IT projects, ensuring seamless integration and adherence to project timelines.
• Critical Issue Resolution: Collaborate with cross-functional global teams to identify, troubleshoot, and resolve critical network and system issues that may impact business operations.
• System Monitoring: Proactively monitor the IT infrastructure for performance issues and potential vulnerabilities, taking preventive measures as needed.
• Security Measures: Implement and maintain security protocols, including firewall configurations, access controls, and data encryption, to safeguard sensitive information.
• Documentation: Maintain comprehensive documentation of troubleshooting steps, technical procedures, and resolutions for knowledge sharing and reference. Maintain a work log of job tickets and maintenance tasks in JIRA Service Desk. Maintain hardware and software inventory. Demonstrate a thorough understanding of, and consistently adhere to, the established corporate IT policies and diligently maintain associated documentation.
• Vendor Management: Collaborate with technology vendors for procurement, support, and maintenance of hardware, software, and services. Act as an interface between third-party vendors to coordinate, log, track, and follow up on IT issues.
• System Maintenance: Perform routine system maintenance tasks such as updates, patches, and upgrades to ensure optimal system performance (e.g., maintenance of IT equipment such as laptops, desktops, UPS, printers, servers, CCTV, NAS, etc.). Daily backup monitoring and quarterly restoration of data to ensure backup integrity.
• Training: Conduct training sessions for end users to enhance their technical skills and empower them to address common IT issues.
• Continuous Improvement: Identify opportunities to optimize IT processes and enhance the user experience through automation and innovation.

Qualifications and Requirements

• Bachelor's degree in computer science, information technology, or a related field
• 3+ years of Tier 2 or Tier 3 support or administrative experience
• Extensive knowledge of Microsoft Windows 10+11, MS Server 2019, and above
• Extensive knowledge of Microsoft Office Suite (especially Outlook) and Google Workspace
• Command line tools in Windows , and PowerShell)
• Network configurations (Local switch network ports, WIFI, MS Active Directory)
• Ability to maintain a work log of job tickets and maintenance tasks in JIRA Service Desk
• Ability to balance business operations versus security
• Excellent communication skills, including fluency in written and spoken Thai and English language
• Attentive to detail, honest and dependable
• Excellent analytical skills and problem-solving skills
• Willingness to learn and take direction

More than just a recruitment company. At PRTR, we have been a part of our customer's success for 30 years as their total HR solutions partner. With 550 dedicated professionals and over 15,000 outsourced staff, we will continue to carry out our mission to develop a better career, a better life, and a better society, and thrive to become the No.1 people solutions organization in Southeast Asia.

RESPONSIBILITIES

• Handling and resolving escalated issues related to Microsoft 365 services from Tier 1–2 support.
• Performing basic support and troubleshooting for Outlook, Teams, OneDrive sync, SharePoint Online, Intune, and Azure AD.
• Supporting user onboarding and offboarding tasks, including license provisioning and email setup.
• Managing and supporting MFA registration, password resets, and conditional access issues.
• Managing, monitoring, and supporting hybrid cloud environments and Windows 10/11 and mobile device endpoints across the organization.
• Maintaining Firepower Firewall and Palo Alto Firewall, including setting security policies and troubleshooting.
• Collaborating with Microsoft Support and related teams to resolve complex incidents and service disruptions.
• Assisting in reviewing alerts from Microsoft Defender for Endpoint and escalating when needed.
• Developing and maintaining internal Knowledge Base articles and user documentation.
• Providing training and technical guidance to Tier 1 support teams and end users.
• Coordinating with Security and Infrastructure teams to ensure system stability, endpoint security, and compliance with organizational standards.
• Contract Period: 12 Months.
• Working Hours: Monday – Friday, 08:30 – 17:30.

QUALIFICATIONS

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 4–5 years of experience in IT Support, System Administration, or Microsoft 365-focused roles.
• Hands-on expertise in Microsoft 365 services: Exchange Online, Teams, SharePoint, OneDrive, and Azure Active Directory.
• Proficient in Microsoft Endpoint Manager (Intune) for mobile and Windows device management.
• Experience with Microsoft Defender for Endpoint, including threat protection, attack surface reduction, and security baselines.
• Ability to work flexibly.
• Good English communication skills.
• Strong service mindset and interpersonal skills.