Job Description

Senior Linux / Unix Engineer (12-Month FTC)

 

Salary: £75-85k

 

📍 Location

• Hybrid working
• 3 days per week in the office

 

 

A global financial services organisation is looking for a Senior Linux / Unix Engineer to join its Infrastructure Engineering team supporting a large and business-critical Linux estate.

This is an opportunity for a strong Linux engineer to work in a high-availability production environment, supporting key trading and financial platforms while helping the organisation modernise towards automation, DevOps tooling and cloud infrastructure.

 

💼 What you’ll be doing

• Managing and maintaining a large Linux / Unix server estate
• Supporting core business-critical applications and platforms
• Building, patching and upgrading Linux systems to ensure security, performance and stability
• Automating operational processes using Ansible, Python and Bash
• Troubleshooting complex OS-level issues and performance bottlenecks
• Supporting containerised workloads
• Monitoring infrastructure using modern observability tooling
• Working closely with infrastructure, security and application teams
• Helping evolve traditional Linux operations toward SRE-style automation and cloud operations

 

The role focuses on operational excellence, automation and platform stability across enterprise Linux environments.

 

🖥 Technology environment

• Linux: Red Hat Enterprise Linux (RHEL), Solaris
• Virtualisation/ Cloud: VMware- moving into AWS
• Automation: Ansible
• Scripting: Python, Bash
• Containers: Docker, Podman
• Monitoring: Grafana, Prometheus
• Infrastructure scale: ~200 Linux VMs supporting core financial applications

 

☁️ Future direction

The organisation is beginning a broader move toward cloud and modern infrastructure platforms.

 

👤 What we’re looking for

• Strong experience administering enterprise Linux environments
• Advanced troubleshooting skills across CPU, memory, network and storage
• Experience with Ansible automation and configuration management
• Strong scripting skills in Python or Bash
• Experience with containers (Docker / Podman)
• Comfortable working in large production environments

 

Nice to have:

• Murex

 

💡 Why consider this role?

• Work on large-scale Linux infrastructure
• Opportunity to move toward cloud, DevOps and SRE practices
• Join a collaborative infrastructure engineering team
• Gain financial services experience in a complex technical environment