Senior Mechanical Engineer

Do you have a degree in Mechanical Engineering (or equivalent) and proven experience applying BS 8888 and BS 2573 standards in design and calculations?

Are you experienced in mechanical handling systems and familiar with UK regulations such as CDM, LOLER, PUWER, and Machinery Regulations within a nuclear or highly regulated environment?

Would you like to lead complex mechanical design projects that directly influence innovation and safety in the nuclear sector, while working with cutting-edge technologies and industry experts?

Due to continued growth and exciting new projects in the nuclear and regulated sectors, we are seeking a Senior Mechanical Engineer to join our client’s expanding team. This is a chance to work on technically challenging, high‑impact projects that shape the future of clean energy and advanced engineering solutions. You’ll join a collaborative environment that values innovation, diversity of thought, and professional development.

Alongside a competitive salary and benefits, you’ll gain exposure to cutting‑edge technologies, complex design challenges, and opportunities for career progression, including chartership support.

• Deliver and manage technical studies and mechanical design projects from concept through commissioning.
• Produce and check key deliverables including DJRs / DARs, technical notes, substantiation reports, mechanical flow diagrams, P&IDs, and layout drawings.
• Apply BS 8888 and BS 2573 standards in design and calculations.
• Ensure compliance with CDM Regulations, LOLER, PUWER, Machinery Regulations, and ALARP principles.
• Author specifications, respond to TQs / PPs, and manage design substantiation and approvals.
• Maintain technical files and EHSRs in line with quality requirements.
• Lead risk assessments (RA / RRR) and ensure safety and regulatory compliance.
• Provide leadership, mentoring, and effective communication with customers and stakeholders.

• Degree in Mechanical Engineering (IMechE / BEng) or equivalent.
• Previous leadership experience in engineering projects.
• Strong background in mechanical handling systems and nuclear environments.
• Experience with design substantiation, technical queries, and quality assurance.
• Familiarity with UK nuclear standards and regulatory frameworks.
• Ability to hold SC clearance.
• Excellent communication and stakeholder engagement skills.
• Strong attention to detail and ability to manage complex technical requirements.
• Proactive approach to problem‑solving and risk management.

The role will mainly be office based, with visits to site as required. A safety induction will be provided.

Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from under‑represented groups to apply. We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone.

If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate.

Millbank operates as both an Employment Agency and an Employment Business.