Linux Infrastructure Engineer

Sopra Steria Ltd; Salisbury; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading IT service provider is seeking a skilled Linux Engineer to join their dynamic Defence team in the UK. The role involves overseeing and enhancing Linux capabilities while developing open-source tools and providing technical support. Candidates should have extensive experience in Linux platform engineering, proficiency with Enterprise Linux, and a familiarity with automation tools like Ansible. A hybrid work model allows for flexibility with three days onsite and two days remote, offering an engaging environment focused on professional growth.

Benefits

25 days annual leave

Health cash plan

Life assurance

Pension

Flexible benefits fund

Qualifications

• Extensive experience in large-scale Linux platform engineering and automation.
• Proficiency with Enterprise Linux OS to RHCE level.
• Experience in building and securing Linux environments.

Responsibilities

• Oversee and enhance Linux platform capabilities.
• Develop and maintain open-source and commercial tooling.
• Provide expert 3rd line technical support.
• Act as a subject matter expert in Linux.

Skills

Large-scale Linux platform engineering

Automation with Ansible

DevOps tools (Terraform, Git)

Kubernetes environments

Education

RHCE level certification

Tools

Linux (RedHat, CentOS, Oracle)

VMware

OpenStack

Git

Job description

There is a lot happening in Linux! Join our dynamic IT Defence team, where you will be responsible for all aspects of our Linux capabilities. This role offers exposure to business‑as‑usual operations, delivered services, and innovative project work. We welcome candidates with experience in Slurm or HPC and Ansible.

We have different level opportunities in this growing team, so don’t shy away if you don’t have all the skills.

You do need to be eligible for SC and DV Clearance.

Hybrid Fixed: 3 days per week on our Portsmouth OR Salisbury site, 2 days home working.

What you’ll be doing:

• Oversee and enhance Linux platform capabilities.
• Develop and maintain open‑source and commercial tooling.
• Provide expert 3rd line technical support, mentoring, and fault resolution for 1st/2nd line teams.
• Act as a subject matter expert in Linux.

What we need from you:

• Extensive experience in large‑scale Linux platform engineering and automation.
• Proficiency with Enterprise Linux OS (RedHat, CentOS, Oracle) to RHCE level.
• Familiarity with DevOps and automation tools (Terraform, Git, Ansible, Vault).
• Experience in building and securing Linux environments, including Kubernetes clusters (on‑premise and cloud).

It would be great if you had:

• Network technologies (LAN, WAN, Cisco switching, Juniper and Fortinet security products) and working knowledge of TCP/IP networking.
• Database administration (MySQL, PostgreSQL, MariaDB or InfluxDB).
• Virtualisation management experience - VMware, XenServer, OpenStack or Hyper‑V.
• Working knowledge of Openshift, Openstack.
• Secure LINUX and IPTablesI

If you are interested in this role but not sure if your skills and experience are exactly what we’re looking for, please do apply, we’d love to hear from you!

Employment Type: Permanent
Location: Hybrid Fixed: 3 days in Portsmouth OR Salisbury.
Security Clearance Level: Eligible for SC and DV Clearance.
Internal Recruiter: Jane
Salary: To £Dependant on experience
Benefits: 25 days annual leave with the choice to buy additional days, health cash plan, life assurance, pension, and generous flexible benefits fund.

Loved reading about this job and want to know more about us?

Sopra Steria’s Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the client’s goal of National Security, and we operate in a unique and privileged environment. We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UK’s most complex safety‑and‑security‑critical markets.