Principal Mechanical Engineer

Company: NRL Recruitment
Apply for the Principal Mechanical Engineer
Location: Risley
Job Description:

Join a multidisciplinary engineering consultancy delivering a major nuclear infrastructure programme in Warrington. This role is ideal for a seasoned mechanical engineer with expertise in mechanical handling systems who wants to take a technical lead position on a high-profile, confidential nuclear project. You’ll be part of a team driving design excellence, innovation, and compliance in a complex and regulated environment.

Location and Working Pattern

Warrington, with hybrid working available. Some on-site engagement may be required to support project delivery and client interactions.

Client Overview

Our client is a trusted engineering consultancy delivering large-scale design and engineering programmes across the nuclear sector. They work at the forefront of critical infrastructure projects that contribute to national capability and safety.

Responsibilities

  • Lead the design and specification of bespoke mechanical handling equipment and systems.
  • Provide technical leadership and mentorship to engineers and designers across the project team.
  • Produce and review calculations, specifications, and engineering reports.
  • Develop and maintain design requirements, ensuring full verification and traceability.
  • Support design reviews, hazard studies, and regulatory compliance activities.
  • Conduct site surveys and assessments to inform technical solutions.
  • Manage interfaces with clients, stakeholders, and supply chain partners.
  • Support installation, commissioning, and testing where required.
  • Ensure all design work meets relevant nuclear, mechanical, and safety standards.

Must-have Requirements

  • Strong experience working on Sellafield or comparable nuclear projects.
  • Proven background in mechanical handling engineering in regulated environments.
  • Expertise in designing, specifying, and delivering bespoke mechanical handling systems.
  • Demonstrable leadership experience managing engineering delivery.
  • Working knowledge of LOLER, PUWER, CDM Regulations and the Supply of Machinery (Safety) Regulations.
  • Experience producing and reviewing technical documentation and engineering assessments.
  • Degree in Mechanical Engineering (or equivalent).
  • Chartered Engineer status (or working towards it).

Nice-to-have Skills

  • Experience in nuclear decommissioning and waste handling projects.
  • Familiarity with Sellafield processes and design standards.
  • Involvement in equipment trials, testing, and commissioning.
  • Track record of mentoring and developing junior engineers.

Due to the nature of this role being on a national security facility, we can only accommodate applications from UK Nationals.

We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer.

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Posted: October 18th, 2026