DV-Cleared Senior Linux Systems Administrator

Salt Digital Recruitment; Greater London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Bonus up to 10%

£5,000 DV allowance

Pension scheme with employer %

Private GP access

Enhanced parental leave

Paid carers leave

Holiday purchase scheme

Optional healthcare, dental and gym

Job summary

Salt Digital Recruitment is seeking a DV-cleared Senior Linux System Administrator to join a security-focused team supporting a large-scale UK national infrastructure big data platform. The role emphasizes on-site delivery with strict DV clearance requirements and cross-team collaboration on DevOps CI/CD efforts.

The candidate will manage Linux environments, VMware ESXi, and automation via Ansible, while ensuring robust security and performance across production and development platforms.

Qualifications

• Strong Linux administration experience with RHEL or Rocky Linux.
• Experience managing VMware vSphere/ESXi environments.
• Proficient in Ansible automation and Bash scripting.
• Solid troubleshooting across Linux, networks, storage and permissions.
• Understanding of CI/CD pipelines and security requirements.
• Familiarity with Windows Server interoperability where needed.
• Background in secure, large-scale infrastructure is a plus.

Responsibilities

• Administer, maintain and optimise Linux server environments across production and development platforms.
• Manage VMware vSphere/ESXi infrastructure, including virtual machines and hosts.
• Develop and maintain automation using Ansible or equivalent tools.
• Develop and maintain Bash and shell scripts.
• Troubleshoot Linux, networking, storage, permissions and performance issues.
• Support secure IT infrastructure and CI/CD environments.
• Support interoperability with Windows Server environments where required.
• Contribute to improvements across a highly secure big data platform.

Skills

Linux Administration

CI/CD

Networking/Storage/Permissions

Troubleshooting

DevOps practices

Security awareness

Linux scripting

Tools

VMware vSphere/ESXi

Ansible

Job description

Salt Digital Recruitment is seeking a DV-cleared Senior Linux System Administrator to join a security-focused team supporting a large-scale UK national infrastructure big data platform. The role emphasizes on-site delivery with strict DV clearance requirements and cross-team collaboration on DevOps CI/CD efforts.

The candidate will manage Linux environments, VMware ESXi, and automation via Ansible, while ensuring robust security and performance across production and development platforms.