Computer Systems Adminstrator

1 week ago


Singapore HI5 CONSULTING SOLUTIONS PTE. LTD. Full time $90,000 - $120,000 per year

Key Responsibilities:

  • Administer and maintain Windows/Linux servers, Active Directory, DNS, DHCP, and file systems.
  • Manage system backups, disaster recovery, and business continuity processes.
  • Monitor system performance, identify issues, and proactively apply fixes or improvements.
  • Oversee virtualization environments (e.g., VMware, Hyper-V, KVM).
  • Ensure the integrity and security of enterprise data on servers, databases, and applications.
  • Implement security best practices (patch management, firewalls, endpoint protection, etc.).
  • Maintain and upgrade hardware, software, and network components.
  • Manage cloud infrastructure (e.g., AWS, Azure, or hybrid environments).
  • Provide Tier 3 support and escalation for complex technical issues.
  • Create and maintain detailed documentation of systems and procedures.
  • Automate routine tasks using scripting (e.g., PowerShell, Bash, Python).
  • Lead or support IT infrastructure projects, migrations, and rollouts.

Requirements :

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • 10+ years of hands-on experience in system administration.
  • Strong background in both Windows Server and Linux environments.
  • Proven experience with virtualization, storage management, and network troubleshooting.
  • Experience with cloud platforms like AWS, Azure, or GCP.
  • Familiarity with DevOps tools (e.g., Ansible, Docker, Jenkins) is a plus.
  • Proficient in system and network monitoring tools
  • Strong scripting knowledge: PowerShell, Bash, Python.
  • In-depth knowledge of Active Directory, Group Policy, DNS, and DHCP.


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