Mechanical Engineer

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.

With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. Our core values of Trust, Transparency, and Quality drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.

Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise.

Let’s Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

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THE OPPORTUNITY

We seek a Mechanical Engineer to support peripheral design activities for a major defence project. This role involves managing non-core design elements with suppliers, ensuring integration with core systems, and supporting subsystem reliability. 

KEY RESPONSIBILITIES: 

• Design & Develop: Lead peripheral component design for the defence project.
• Supplier Management: Coordinate with suppliers to align non-core design efforts.
• Testing & Validation: Develop and review testing criteria for compliance.
• Documentation: Maintain technical documentation for non-core activities. 

SKILLS: 

• Required: Bachelor’s in Mechanical Engineering, 3+ years’ experience, CAD proficiency.
• Preferred: Defence experience ideally, or aerospace experience. 

BENEFITS:

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 5 days full sick pay per year
• Flexible working
• Cycle to Work & TechScheme
• Continuous professional development
• Corporate access to the Udemy platform 

* If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.