Senior Platform Engineer (RHEL)

Salary: £76,000 - 94,000 per year

Requirements:

• We are looking for strong technical ability with experience delivering and supporting complex platforms.
• We need someone who can balance hands-on engineering with technical leadership and mentoring responsibilities.
• You should be confident 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 concepts).
• Automation and configuration management (PowerShell, Bash, Ansible, or similar).
• Networking concepts (TCP/IP, DNS, DHCP, routing, firewalls).
• Knowledge of cyber security controls and accreditation requirements.
• Experience across the systems engineering lifecycle.
• Integration of compute, storage, and virtualisation layers into a unified platform.
• Delivery within secure, enterprise, or defence environments.
• Desirable: RHEL ecosystem tooling (e.g. Satellite, lifecycle management).
• Desirable: Windows enterprise services (e.g. AD advanced config, Group Policy design).
• Desirable: Virtualisation platform depth (VMware stack, clustering, HA/DR).
• Desirable: Performance tuning and troubleshooting across Linux and Windows systems.
• Desirable: Container platforms (Kubernetes / OpenShift / Docker).
• Desirable: Integration with enterprise services (PKI, PAM, monitoring, backup).
• Desirable: Automation at scale (Infrastructure as Code, pipelines).
• Desirable: Experience supporting mixed OS environments in secure or regulated contexts.
• The most important skill is a good attitude and willingness to learn.

Responsibilities:

• Lead the design, build, and support of secure platforms in on-premise and hybrid environments.
• Take ownership of engineering delivery for one or more work packages, including planning, estimation, execution, and reporting.
• Develop and review system architectures, low-level designs, and technical documentation.
• Integrate and test platform components, ensuring compliance with 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 initiatives and contribute to internal engineering standards.
• Solve customer problems in an agile, innovative, and team-centric manner.

Technologies:

• Active Directory
• Ansible
• Bash
• Docker
• Hyper-V
• Support
• Kubernetes
• LDAP
• Linux
• OpenShift
• PowerShell
• RHEL
• Security
• TCP/IP
• VMware
• Windows

More:

We are Leonardo UK, a global leader in Aerospace, Defence, and Security, headquartered in Italy with over 53,000 people worldwide including 8,500 across 9 sites in the UK. Our Cyber & Security Solutions Division is delivering and improving platform and systems engineering solutions that underpin critical defence, government, and public sector services. This Senior Platform Engineer role is based at our Yeovil site and may involve a blended hybrid working model with a mix of home and on-site working. We offer a comprehensive, company-funded benefits package including generous leave with up to 12 additional flexi-days each year, an award-winning pension scheme with up to 15% employer contribution, free mental health and financial advice support, access to 4,000+ online courses, flexible benefits up to 500 annually, and flexible hours with hybrid working options. We are committed to building an inclusive, accessible, and welcoming workplace.

last updated 36 week of 2026