Senior Mechanical Design Engineer

ZipRecruiter; Northolt; Hybrid; GBP 40,000 - 70,000; Full time

Job description

Job Description

Insignis Talent is proud to partner with a leading company at the cutting edge of technology, providing innovative solutions that enhance and protect naval forces globally. As the maritime and underwater battlespace evolves, our client is committed to advancing specialist systems that deliver a decisive warfighting advantage. Working closely with customers, they develop state-of-the-art technologies, including sonar, radar, expendables, signature management, and naval power systems.

Role Overview

We are seeking a Mechanical Design Engineer to play a key role in designing, developing, testing, and documenting mechanical assemblies for advanced defence products. This includes new developments, process improvements, and engineering change orders. You will support designs throughout all stages of the system lifecycle, from concept to production.

Key Responsibilities

• Define mechanical architecture, system, and sub-system requirements, ensuring validation and verification.
• Develop, document, and deliver robust mechanical solutions for complex systems using company engineering toolsets.
• Create and review technical artefacts, including design documentation, analysis reports, data packs, plans, and procedures.
• Develop mechanical test solutions and procedures to verify hardware performance.
• Support mechanical integration, verification, and acceptance testing, presenting evidence as needed.
• Prepare and present technical solutions and risk assessments to internal and external stakeholders.
• Provide in-service and production support to customers.
• Lead technical aspects of specific projects or activities.
• Contribute to continuous improvement of mechanical engineering processes and tools.
• Mentor and coach junior engineers.
• Adhere to company engineering standards and procedures.

Required Skills & Experience

• Bachelor’s degree (or equivalent) in a relevant engineering field.
• Experience in complex engineering environments.
• Proven ability to develop mechanical solutions across the full project lifecycle.
• Proficiency in mechanical design and documentation tools such as Creo, Autodesk Inventor, Windchill, IFS, or similar.
• Strong understanding of core mechanical engineering principles, including material selection, assembly techniques, and manufacturing processes.
• Experience designing multi-disciplinary systems and managing associated risks.
• Track record of delivering reliable engineering solutions within time and specification constraints.
• Eligibility for Security Clearance (SC level).

Desirable Experience

• Background in designing defence-related products, ideally for the maritime sector.
• Experience using mechanical design analysis tools for trade studies, calculations, modelling, and simulation.
• Strong teamwork and communication skills with a positive, problem-solving mindset.
• Ability to manage multiple priorities in a fast-paced environment.

Employee Benefits

Our client offers a competitive package with excellent career development opportunities:

• 5% performance bonus
• Flexible working arrangements where possible
• 9-day working fortnight (every other Friday off)
• Hybrid working options
• 25 days holiday (plus bank holidays) with an option to buy/sell up to 5 additional days
• Life assurance at 4x annual salary
• Flexible benefits package (including retail vouchers, health screening, and more)
• Pension scheme: Up to 5.5% employer contributions (rising to 7.5% after 5 years of service)
• Relocation support (case-by-case basis, subject to HMRC guidelines)

Security Requirements

Due to the nature of the projects, candidates must be eligible to obtain the required security clearance.

Join a team at the forefront of technological innovation and contribute to the future of naval defence systems. Apply today!