Hardware Software Engineer

Description

This role combines C# software engineering, secure operating system development, hardware handling, systems integration, and security-by-design practices. The engineer will work within a high-assurance, MOD-accredited environment involving products certified up to Top Secret baseline.

• Provide limited Java support during the transition period.
• Develop new C# software based on an existing Java codebase.
• Adhere to Thales hardware security and handling procedures.
• Follow government-accredited OS hardening and secure configuration guidelines.
• Assist with system-level integration between environments.
• Support secure network configuration and integration activities.
• Cable and integrate server kits, power amplifiers, logic controllers, and other connected components.
• Build and wire engineering rigs for test and integration.
• Ensure all code conforms to secure-by-design and accreditation-driven standards.
• Communicating and promoting vacancies
• Dismantle and modify laptops for secure hardware changes, including:
• Translate and implement Java functionality into C#.
• Anticipating and providing reasonable adjustments as required
• Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people
• Offering an interview to disabled people who meet the minimum criteria for the job
• Support secure OS build and configuration activities for:
• Ensure our recruitment process is inclusive and accessible
• Build middleware components, integration layers, and secure software modules.
• Assist with secure image creation, application deployment, lockdown configuration, and privilege control.

Requirements

We are looking for a highly capable, multi-disciplined engineer to support the end-to-end development, secure configuration, integration, and operation of secure computing products for our client in the Defence sector.

• Networking fundamentals applicable to secure system integration.
• Familiarity with secure laptop builds, privileged access controls, or FIPS-accredited hardware.
• Sole UK National
• Experience with virtualisation and/or container technologies.
• Proven problem-solving ability and a proactive, full-lifecycle engineering mindset.
• Windows Server 2025 virtualised/containerised platform
• Strong C# development experience, with the ability to work from and interpret existing Java logic.
• SC Cleared (mandatory)
• Applicants must be legally able to work in the UK and meet security requirements for restricted environments
• Exposure to FPGA modules, hardware security modules, or custom hardware integration.
• Basic hardware engineering competency (laptop tear-down, component replacement, cabling).
• Experience in middleware development or system-level software integration.
• Solid understanding of secure-by-design engineering practices.
• Degree (or equivalent experience) in Software Engineering, Computer Science, Cybersecurity, Electronics, or a related discipline.
• Windows 11 secure laptop OS builds
• Containerised Linux-2 environments (future integration)
• Knowledge of Windows Server 2025, Linux containerisation, or mixed-OS environments.
• Basic FPGA module handling
• Experience with government-accredited secure configuration standards (e.g., NCSC, MOD JSP).
• Ability to operate effectively in MOD-accredited, high-assurance environments.
• Experience with Windows internals, secure OS image creation, or secure deployment processes.
• Industry experience in secure systems, defence, national security, or high-assurance environments is advantageous.

Benefits

• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
• Competitive company benefits
• Storage and memory replacement

Training + Development

Interview process

Visa Sponsorship

Security clearance