Principal Mechanical Engineer

Contract Opportunity: Principal Mechanical Engineer
Location: North West (Hybrid - 1 day remote)
Contract Length: 12 months (with strong likelihood of extension)
Rate: Up to -60 per hour (Outside IR35)
Hours: 4-day week (Monday to Thursday, 10-hour days)

We are currently recruiting for an experienced Principal Mechanical Engineer to lead the design and delivery of complex, high-integrity mechanical systems within the nuclear sector. This role offers the chance to take technical ownership of key projects and contribute to nationally significant work.

• Lead the mechanical engineering delivery across multiple projects, ensuring compliance with nuclear and safety standards.
• Provide technical oversight of mechanical designs, calculations, and documentation.
• Conduct and lead design reviews, optioneering, and hazard studies (e.g., HAZOP, ALARP).
• Mentor and support junior engineers and contribute to the development of internal capability.
• Collaborate closely with multi-disciplinary teams, clients, and regulatory stakeholders.

• Strong background in mechanical engineering within the nuclear industry.
• Extensive experience in the design and delivery of safety-critical mechanical systems.
• Glovebox design experience is highly desirable.
• Familiar with engineering standards and regulatory requirements in nuclear projects (e.g., AWE, Sellafield).
• Live Security Clearance (SC) is a significant advantage.
• Strong leadership, problem-solving, and communication skills.

• Compressed 4-day working week (Mon-Thurs), 10-hour days for enhanced work-life balance.
• Hybrid working - with 1 day per week from home.
• Competitive rate up to -60/hr (Outside IR35).
• Initial 12-month contract with excellent extension potential.

If you''re a mechanical engineering specialist looking to play a key role in the delivery of critical nuclear infrastructure, we''d love to hear from you.