Senior System Administrator

OnHires

3d • Remote

About The Position

The company provides VPS and dedicated server hosting for FX brokers and traders. We are looking for a reliable, hands-on Senior Systems Administrator who can support customer-facing infrastructure and contribute to technical improvement projects. This is a long-term part-time role for someone comfortable working independently with production systems, customer issues, and business-critical infrastructure.

Requirements

• 7+ years of systems, infrastructure, or data-centre experience.
• Strong hands-on experience with: Windows Server and Linux; Hyper-V and VMware; Dell and/or Supermicro servers; Server and virtualisation troubleshooting.
• Experience in data centres, hosting, managed services, or another 24/7 infrastructure environment.
• Good understanding of networking, storage, backup, and disaster recovery.
• Strong spoken and written English.
• Reliable, organised, and comfortable taking ownership of issues through resolution.

Nice To Haves

• VPS, dedicated hosting, or IaaS experience.
• iDRAC, IPMI, SAN/NAS or Veeam.
• PowerShell, Bash, Python, or Ansible.
• Experience in fintech, trading, telecom, broadcast, or other mission-critical environments.

Responsibilities

• Administer and troubleshoot Windows and Linux servers.
• Support Microsoft Hyper-V and VMware environments.
• Diagnose issues with Dell and Supermicro servers.
• Resolve customer incidents involving VPS, dedicated servers, virtualisation, and connectivity.
• Maintain Active Directory, DNS, Group Policy, backups, and monitoring.
• Support data centre infrastructure, storage, and networking.
• Participate in upgrades, migrations, and infrastructure improvement projects.
• Maintain clear technical documentation and follow change-management procedures.

What This Job Offers

• Job Type: Part-time
• Career Level: Senior
• Education Level: No Education Listed