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Lead Mechanical Engineer
Mechanical Engineer Lead – Highly Regulated Industry (UK Roles Only)
About Assystem
Assystem is an international company driving the energy transition globally. Our 7,500 employees across 12 countries work across highly regulated sectors, providing engineering, project management, and digital solutions to optimise complex infrastructure. Ranked second in the world for nuclear engineering, we deliver viable, efficient, and reliable energy futures.
About the Role
Are you a skilled Mechanical Engineer with experience in team leadership and delivering innovative solutions in a heavily regulated environment? We’re looking for a proven professional to take ownership of mechanical and structural design, provide technical leadership, and drive projects through to completion.
This role lives in a dynamic, problem-solving environment where collaboration and expertise make the difference.
Missions & Responsibilities
Technical & Project Leadership
- Lead and mentor engineering teams, ensuring alignment with customer requirements and high-quality technical solutions.
- Oversee the full mechanical design lifecycle, including bespoke mechanical handling systems, lifting equipment, and accessories, from concept through to final manufacture.
- Develop, review, and verify technical documentation, including:
- Design reports
- Detailed design drawings
- Technical files & calculations
- Compliance documentation (e.g., safety manuals, process specifications)
- Provide technical guidance & risk assessment, proactively identifying and mitigating challenges before they impact project timelines.
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Stakeholder Collaboration
- Collaborate closely with project managers, lead engineers, and stakeholders to ensure seamless project execution.
- Engage with vendors & supply chains, specifying and developing mechanical components while adhering to commercial constraints.
- Ensure alignment with international regulations, including:
- Machinery Safety Regulations
- LOLER (Lifting Operations and Lifting Equipment Regulations)
Technical Tools & Software
- Proficient in:
- Autodesk Inventor
- AutoCAD
- FEA tools (ANSYS, STAAD via MathCAD preferred)
- Experience with piping design software (e.g., Fluid Master/Fluid Flow, CAESAR).
- Knowledge of Model-Based Systems Engineering (MBSE) & requirements-led design is advantageous.
Requirements
Education & Qualifications
- BEng (2:1 or higher) in Mechanical Engineering (Master’s degree preferred).
- Chartered Engineer (CEng) status facilitated (or on track).
- Proven practical experience in mechanically challenging projects, such as:
- Offshore/energy sector
- Oil & gas
- Construction equipment
- Heavy transportation systems
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Technical Expertise
- Strong design for fabrication expertise, including:
- Welding codes
- Manufacturing tolerancing
- Standardisation of components
- Deep knowledge of:
- Mechanical & structural engineering principles
- Design for Manufacture (DFM) & assembly optimisation
- Hydraulics & control systems (desirable)
- Practical knowledge of NAEA/UK crane standards (e.g., BS EN 13001, BS EN 13155) beneficial.
Contract & Security
- Must be a Sole UK National.
- Eligible to obtain SC (Security Clearance) (able to start on BPSS).
- Due to nature of work, residence criteria may apply for clearance attainment.
Benefits
- 25 days annual leave (plus UK bank holidays).
- 8% company pension contribution.
- Healthcare cashplan (reimbursement for dental, medical, and physical care activities).
- Professional & industrial membership fees fully covered.
- A collaborative culture that values innovation and diverse perspectives.
Commitment to Diversity
Assystem is committed to equal opportunity and fosters all forms of diversity. Skills, talent, and courage to innovate are what matter most—your unique contributions will help shape the future of energy transition.
All roles are subject to residency and security clearance criteria.
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