Senior Linux System Administrator – DV Cleared (Onsite)

Salt; Reading; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Pension scheme 5% employee 10% company

Private GP access

Enhanced maternity, paternity and adp0

Carers leave

Optional healthcare

DV allowance

Job summary

Salt is seeking a Senior Linux System Administrator with active DV clearance to join the security team in Reading, supporting a secure, large-scale big data platform for a critical national infrastructure program.

The role is permanent, onsite in Reading with 37.5 hours per week and a salary of £70,000–£100,000 plus a £5,000 DV allowance and a bonus of up to 10%. Applicants must hold valid DV clearance and UK residency.

Qualifications

• Active Developed Vetting (DV) security clearance required.
• Extensive Linux administration experience (RHEL/ Rocky Linux or similar).
• Experience with VMware vSphere/ESXi.
• Automation experience using Ansible or similar.
• Experience with CI/CD workflows and DevOps practices.
• UK resident and eligible to work; no visa sponsorship.
• On-site role with limited remote options.

Responsibilities

• Administer, maintain and optimise Linux server environments across production and development platforms.
• Manage VMware vSphere/ESXi infrastructure, including virtual machines, resource allocation and host configuration.
• Develop and maintain automation using Ansible or equivalent tools to streamline deployments, configuration and routine tasks.
• Develop and maintain Bash and shell scripts.
• Troubleshoot complex 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 continuous improvements across a highly secure big data platform.

Skills

Linux administration

VMware vSphere/ESXi

Ansible

Bash scripting

CI/CD

DevOps

Windows Server

Networking

Storage management

Security compliance

Tools

VMware vSphere/ESXi

Ansible

Job description

Salt is seeking a Senior Linux System Administrator with active DV clearance to join the security team in Reading, supporting a secure, large-scale big data platform for a critical national infrastructure program.

The role is permanent, onsite in Reading with 37.5 hours per week and a salary of £70,000–£100,000 plus a £5,000 DV allowance and a bonus of up to 10%. Applicants must hold valid DV clearance and UK residency.