Senior Linux / Unix Engineer - FTC - Investment Banking

Senior Linux / Unix Engineer

12-Month Fixed Term Contract | London (Hybrid - 3 days onsite)

An opportunity for an experienced, hands-on Linux Engineer to join a lean infrastructure team supporting business-critical systems in a BAU-heavy environment.

This is a replacement hire, ideal for someone who enjoys ownership, stability work, and improving automation within traditional on-prem estates, with exposure to cloud as the platform evolves.

Key responsibilities

• Support and maintain RHEL and Solaris environments (100-200 VMs)
• BAU support, incident management, troubleshooting, and root cause analysis
• Build, patch, upgrade, and lifecycle management of Linux/Unix servers
• Improve automation and reduce manual operational tasks
• Support infrastructure for critical financial applications
• Participate in occasional weekend project work and a light on-call rota

Technical environment

• RHEL 7/8/9, Solaris 11
• Ansible automation
• Python and/or Bash scripting
• Docker / Podman containers
• Grafana and monitoring tools
• Predominantly on-prem, with early AWS adoption underway

Skills & experience required

• Strong senior-level Linux/Unix administration experience
• Hands-on experience with Ansible and scripting (Python/Bash)
• Comfortable working in lean teams with high ownership
• Experience supporting production environments and BAU workloads
• Exposure to cloud platforms (AWS preferred) is beneficial but not essential

Working pattern & benefits

• 12-month fixed term contract
• Hybrid working: 3 days onsite / 2 days remote
• Light on-call requirement (approx. 1-2 calls per month)
• Technically varied role with genuine ownership
• Opportunity to influence automation and future cloud direction

Interview process

• Team interview
• Face-to-face interview
• HR conversation

Interviews commencing mid-late next week.

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.