Senior Mechanical Engineer (Contract)

Job Title: Contract Senior/Principal Mechanical Engineer

Location: Warrington

Contract Type: Initial 6-month contract, with strong potential for long-term extension

Client: Confidential (Engineering Consultancy - Nuclear Sector)

Rate: £50-£55 per hour (Inside IR35)



About the Client:

Our client is a respected engineering and project management consultancy operating within the nuclear and complex industrial sectors. They are known for delivering high-integrity solutions and maintaining a strong commitment to safety, innovation, and technical excellence across all phases of design, construction, and operations.

Role Summary:

We are recruiting for a Senior Mechanical Engineer to support the delivery of technically demanding engineering projects. This contract role offers the opportunity to lead mechanical design activities, perform detailed analysis, and contribute to multidisciplinary teams in a regulated environment. The position is expected to evolve into a long-term engagement based on performance and project continuity.

Key Responsibilities:



Lead mechanical design and development from concept through to detailed engineering and delivery

Produce and review technical documentation including specifications, calculations, and engineering drawings

Conduct mechanical analysis including stress, thermal, and fluid flow assessments

Collaborate with multidisciplinary teams to integrate mechanical systems into broader project designs

Ensure designs meet applicable codes, standards, and safety regulations

Support procurement, fabrication, and installation phases as required

Provide technical leadership and mentoring to junior engineersRequired Qualifications and Experience:



Bachelor's degree in Mechanical Engineering or related discipline

Minimum of 8 years of mechanical engineering experience, ideally within nuclear, energy, or industrial sectors

Proficiency in CAD software (e.g., SolidWorks, AutoCAD, Inventor)

Strong understanding of mechanical systems, materials, and manufacturing processes

Familiarity with relevant standards such as ASME, BS, ISO

Excellent communication and technical writing skills

Ability to manage multiple priorities and work independentlyDesirable Skills:



Experience in regulated environments or nuclear safety cases

Chartered Engineer status (CEng) or working towards

Knowledge of systems engineering and full project lifecycleApplication Process: To express interest in this opportunity, please submit your CV and availability Please contact us for a confidential discussion about your career.



Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)