Principal Mechanical Engineer

The City Recruiter; Warrington; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading engineering recruiter is searching for a Principal Mechanical Engineer to oversee nuclear decommissioning projects. The ideal candidate will possess a substantial background in mechanical engineering, especially within high-hazard waste retrieval and storage, demonstrating leadership in a technical capacity. This role offers an exciting opportunity to contribute to complex engineering challenges in a crucial industry.

Qualifications

• 10+ years of mechanical engineering experience.
• 5+ years in the nuclear sector.
• Chartered Engineer (CEng) or working towards professional registration.

Responsibilities

• Lead mechanical design for nuclear decommissioning projects.
• Develop safe engineering solutions for hazardous environments.
• Mentor junior engineers and promote best practices.

Skills

Technical Leadership

Mentorship

Engineering Design

Risk Assessment

Compliance Knowledge

Education

Degree in Mechanical Engineering

Tools

Engineering Software

Job description

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Base pay range

Role Overview:

We are seeking an experienced Principal Mechanical Engineer to lead and support mechanical engineering activities on nuclear decommissioning projects. This role requires a strong background in mechanical engineering, with significant experience in the nuclear sector, particularly in high-hazard waste retrieval and storage systems. The successful candidate will provide technical leadership, mentoring to junior engineers, and assurance across the design lifecycle.

Key Responsibilities:

• Lead the mechanical design and engineering effort on nuclear decommissioning projects from concept through to detailed design, installation, and commissioning.
• Develop fit-for-purpose, safe, and compliant engineering solutions for high-hazard environments, including waste retrieval and storage systems.
• Provide technical governance and assurance to ensure designs meet nuclear safety, quality, and regulatory requirements.
• Produce and review technical documentation, including specifications, design substantiations, calculations, and reports.
• Engage with multidiscipline engineering teams, safety case authors, operations personnel, and supply chain partners to ensure robust and integrated design outcomes.
• Act as the technical mentor to junior and developing engineers, promoting best practices and knowledge sharing.
• Participate in hazard and operability studies (HAZOPs), design reviews, and technical risk assessments.
• Support bid development and proposal writing for new projects where required.
• Degree-qualified in Mechanical Engineering or a related discipline.
• 10+ years of mechanical engineering experience, with 5+ years specifically in the nuclear sector.
• Demonstrable experience in nuclear decommissioning, preferably with involvement in high-hazard waste retrieval and storage systems.
• Strong understanding of design codes, standards, and safety regulations relevant to the nuclear industry (e.g., ASME, BS, PD 5500).
• Experience in mentoring or guiding junior engineers.
• Proficient in using engineering tools and software for mechanical design and analysis.
• Excellent written and verbal communication skills.
• Chartered Engineer (CEng) or working toward professional registration.
• Familiarity with CDM regulations and engineering governance processes.
• Experience working in Sellafield, Magnox, or similar legacy nuclear environments.
• Understanding of glovebox design, remote handling, and shielding design considerations.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Engineering, Project Management, and Design

• Industries

  Engineering Services, Services for Renewable Energy, and Design Services

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