System Administrator

VLink Inc; Jakarta Pusat; On-site; IDR 180,000,000 - 240,000,000; Full time

Job summary

VLink Inc. is seeking an experienced System Administrator (Executive) to support and enhance IT infrastructure. The role focuses on server, network, and cloud environments, with strong English communication skills required.

You will maintain mission-critical systems, implement security measures, and drive efficiency through documentation, audits, and proactive problem solving.

Qualifications

• Bachelor’s degree in CS/IT or related field.
• Strong English communications, both written and spoken.
• Proven experience with Windows Server and Linux Server administration.
• Hands-on with virtualization and cloud platforms, especially GCP.

Responsibilities

• Install, configure, and maintain server, network, and storage systems.
• Perform daily tasks including monitoring, patch management, and upgrades.
• Manage infrastructure security, DR planning, and cloud strategies.
• Oversee network devices: routers, switches, firewalls, VPNs.
• Create system documentation, architecture diagrams, SOPs, and policies.
• Conduct security and operational audits for compliance.
• Monitor performance and resolve issues for high availability.
• Provide desktop support and troubleshooting, including Windows/macOS/IOS.
• Handle video conferencing, printer support, and general IT infra.
• Collaborate across teams and lead upgrades and migrations.

Skills

Windows Server

Linux Server

Active Directory

Group Policy

DNS

DHCP

IIS

PKI

VMware

Hyper-V

Google Cloud Platform (GCP)

Technical documentation

Audit & compliance

English communication

Education

Bachelor’s Degree in Computer Science, Information Technology, or related field

Tools

VMware

Hyper-V

IIS

Job description

We are seeking a qualified and experienced System Administrator (Executive) to support and enhance the performance, security, and reliability of its IT infrastructure. The ideal candidate will possess strong technical expertise across server, network, and cloud environments, as well as the ability to communicate effectively in English.

This position plays a vital role in maintaining mission-critical systems and ensuring the organization's technology landscape is secure, efficient, and future-ready.

Key Responsibilities

• Install, configure, and maintain server, network, and storage systems
• Perform daily operational tasks including monitoring, patch management, and system upgrades
• Manage infrastructure security, backup procedures, disaster recovery (DR), and cloud implementation strategies
• Oversee and maintain network infrastructure (routers, switches, firewalls, VPNs)
• Create and maintain comprehensive system documentation, including architecture diagrams, standard operating procedures, and policy manuals
• Conduct periodic audits to ensure security and operational compliance with industry standards
• Monitor system performance and proactively resolve technical issues to ensure optimal availability
• Desktop support and troubleshooting
• Windows OS and iPhone troubleshooting
• Handling video conferencing systems
• Printer support (especially Canon)
• IT infrastructure and network support
• Cloud knowledge
• Plan, design, and conduct IT security training sessions for internal stakeholders
• Collaborate with cross-functional teams to improve systems and operational workflows
• Support and lead system upgrades and migration initiatives
• Stay informed on emerging technologies and assess their relevance to organizational needs
• Report progress and updates to the Head of Infrastructure
• Provide technical support and troubleshooting assistance to end-users regarding hardware, software, and network issues

Qualifications

• Bachelor’s Degree in Computer Science, Information Technology, or a related field
• Good communications in English
• Proven experience with Windows Server and Linux Server administration
• Strong knowledge of Active Directory, Group Policy (GPO), DNS, DHCP, IIS, and Public Key Infrastructure (PKI)
• Hands-on experience with virtualization technologies such as VMware or Hyper-V
• Familiarity with cloud infrastructure, especially Google Cloud Platform (GCP)
• Proficient in technical documentation and system audit processes
• Excellent command of the English language, both spoken and written
• Demonstrated ability to work independently and collaboratively within a structured team environment