Job Description

Successful candidate must hold a minimum of DV (Developed Vetting) clearance. More information can be found here - National security vetting: clearance levels - (url removed) ()

Our client, a prominent organisation in the Defence & Security sector, is seeking a Senior Platform Engineer to join their team on a contract basis. This six-month initial contract role requires 3-4 days on-site per week in Yeovil. The successful candidate will be instrumental in developing and supporting critical platforms that secure national interests.

Key Responsibilities:

Lead the design, build, and support of secure platforms in on-premise and hybrid environments.

Take ownership of engineering delivery for various work packages, including planning, estimation, execution, and reporting.

Develop and review system architectures, low-level designs, and technical documentation.

Integrate and test platform components to meet security and performance requirements.

Provide mentoring, guidance, and technical leadership to Platform Engineers and Technicians.

Collaborate with stakeholders, project teams, and customers to ensure solutions meet requirements.

Drive continuous improvement and contribute to internal engineering standards.

Job Requirements:

Essential skills and experience required for this role include:

Significant technical ability and experience in delivering and supporting complex platforms.

Ability to balance hands-on engineering with technical leadership and mentoring.

Confidence in taking ownership of solutions and representing engineering in technical discussions.

Windows and Linux (RHEL) operating systems administration and engineering.

Virtualised infrastructure (VMware / Hyper-V) design, build, and support.

Platform hardening, patching, and security compliance across Windows and Linux environments.

Enterprise identity and access integration (Active Directory, Group Policy, LDAP).

Automation and configuration management (PowerShell, Bash, Ansible).

Networking concepts (TCP/IP, DNS, DHCP, routing, firewalls).

Knowledge of cyber security controls and accreditation requirements.

Experience throughout the systems engineering lifecycle.

Integration of compute, storage, and virtualisation layers into a unified platform.

Experience in delivery within secure, enterprise, or defence environments.

Desirable Skills:

Additional skills that would be advantageous include:

RHEL ecosystem tooling (e.g., Satellite, lifecycle management).

Windows enterprise services (e.g., AD advanced config, Group Policy design).

Virtualisation platform depth (VMware stack, clustering, HA/DR).

Performance tuning and troubleshooting across Linux and Windows systems.

Container platforms (Kubernetes, OpenShift, Docker).

Integration with enterprise services (PKI, PAM, monitoring, backup).

Automation at scale (Infrastructure as Code, pipelines).

Experience supporting mixed OS environments in secure or regulated contexts.

If you have a strong background in platform engineering with the essential skills listed above, and you are looking for a challenging role within the Defence & Security sector, we would be excited to hear from you. Apply now to join our client's dynamic team in Yeovil