Job title: Principal Mechanical Engineer
Job Type: Contract
IR35 Status: Inside IR35
Start date: As soon as possible subject to security clearance
Duration: 12+ months
Salary/ Pay rate/ Benefits: £60-£69 per hr *Umb
Location: Warrington / Hybrid - 2 or 3 days per week working from the office.
Hours of work: 37-40 hours per week Mon-Fri
About the Role:
6‑month design development phase, with continued involvement during procurement
We are seeking an experienced Principal Mechanical Engineer to lead the mechanical engineering discipline across a major project, with responsibility for delivering high‑quality design outputs, managing technical interfaces, and guiding a team of engineers. You will act as the primary authority for mechanical engineering within the project and work closely with multidisciplinary teams, clients, and stakeholders to ensure successful delivery of all mechanical design requirements
This role involves taking a lead position in the development of key design deliverables during an intensive design phase, followed by support during subcontractor procurement and oversight of equipment manufacture. Experience with glovebox design is highly desirable.
Key Responsibilities:
Act as the lead authority for all mechanical engineering activities on the project
Lead and coordinate single‑ or multi‑discipline engineering teams.
Produce and review core design deliverables, including drawings, flow diagrams, and calculations.
Ensure designs meet applicable standards, regulations, and customer requirements
Manage technical interfaces, resolve engineering issues, and oversee change control.
Prepare high‑quality technical documentation, safety reports, and quality plans
Present designs at reviews, client meet Support bids with estimates, scope definition, and programme logic
Support bids with estimates, scope definition, and programme logic
Mentor junior engineers and maintain strong working relationships with client teams
The candidate must have the following skills, experience & qualifications:
Minimum 8+ years' experience in the nuclear industry.
At least 3 years at Senior Engineer level.
Degree in Mechanical Engineering
Strong knowledge of mechanical design standards, regulations, and codes
Proven experience producing design deliverables and Technical Files
Please note the successful candidate would be required to undergo BPSS security clearance prior to starting.
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Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants