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VINCI Construction
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Senior Mechanical Engineer (Client Side)

11/11/2025

Position: Senior Mechanical Engineer

Location: Birchwood Park, Warrington

Travel: Hybrid working 3 days in the office, 2 days at home.

Arrangement: Permanent/Contract.

NUVIA UK's Technical Services & Consulting department is fast growing with hybrid opportunities available up and down the country. We're striving to create a multidisciplinary team to offer our clients the best range of talent.

This opportunity is working on the Sellafield Progressive framework, specifically supporting on the MSSS SEP project.

BPSS clearance will be required at basic level. Prior clearance will not be transferrable.

Main Purpose of Job: 

The Senior Engineer manages the delivery of engineering and technical activities, through the application of process, domain knowledge and experience. At this level, an experienced engineer, high level of developed knowledge in a specialist subject area, resolves specific technical issues and problems, compiles technical reports and accompanying presentations, provides, reviews and adheres to specifications in accordance with stakeholder requirements. Coaches, mentors and assists others on matters pertaining to their own discipline, developing business awareness, builds strong working relationships with stakeholders, works independently with limited technical direction or as part of a small team.

Principal Responsibilities

  • Promote effective co-operation across Engineering and other functional teams
  • Assist in effective management of the customer, including liaison and relationship development with existing and new customers, to aid the development of business, resolution of technical and delivery issues, and such that the customer is fully briefed and informed of progress
  • Ensure procedures, codes and standards are correctly identified and applied to engineering and technical activities
  • Ensure procedures, codes and standards are correctly identified and applied to engineering and technical activities.
  • Contribute to Project Safety Assessment process
  • Ensure task and project risks are communicated and managed appropriately
  • Produce, review and approve calculations, analyses, drawings, models, design basis documentation and technical reports as assigned
  • Assessing the implications of changes, concessions and queries
  • Maintaining the engineering configuration, ensuring the overall design intent and integrity is maintained throughout design lifecycle
  • Evaluate technical issues in order to develop proposals for investigations and/or solutions, including process improvements
  • Provide support to the Project Manager for the planning, control and delivery of tasks and projects
  • Make engineering decisions
  • Act as Technical Authority when authorised
  • Ensure application of highest standards for health and safety and ensure all team members across engineering co-operate with respect to company standards. 

Experience

Senior Mech Engineer – Required to deliver work packages across various system scope, in a wide variety of mechanical handling and lifting problem solving scenarios.

Essential

  • CEng/IEng status
  • Experienced in delivering fit for purpose mechanical design solutions to cost and schedule
  • Ability to break down a problem/issue into constituent parts and present options for resolution
  • Able to contribute to the production of, deliver to, and report on plans of work
  • Able to communicate both verbally and in writing with a variety of stakeholders
  • Has a working knowledge and understanding of regulations relevant to the delivery of machinery (SOMSR 2008, CDM, PUWER, LOLER etc.)
  • Is familiar with engineering drawings (including checking) and standards relevant to their production e.g. BS 8888 & GPS
  • Can review, understand and challenge conventional engineering calculations in
  • accordance with BS 2573 or similar standards

Desirable

  • Ability and evidence of applying engineering judgement to make evidence and risk-based decisions
  • Experience of creating manufacturing specifications and supporting manufacturing queries/issues
  • Experience in the production of EO packs and supporting component Quality

Requirements

• Experience in the production of Technical Files and accompanying deliverables and familiar with the EHSRs

• Experience in production and/or checking of design substantiation and Safety Case deliverables


Why us?

Employee Benefits Package

  • 8.5% Pension Contribution & Life Assurance
  • Private Medical Scheme*
  • Employee Share Scheme
  • Salary Sacrifice Schemes: Electrical Vehicles, Technology and Cycle to Work
  • 18 Weeks Full Maternity Pay* (+21w SMP)
  • 25 days holiday (increasing to 28 days after 5 years’ service, 31 days after 10 years’ service)
  • Option to buy, sell and carry over up to 5 days annual leave per year
  • In partnership with trade unions
  • Personal Development & Further Education Support
  • Long Service & Recognition Awards
  • Free Employee Assistance Programme

 *After 1 year of service.

NUVIA UK- a subsidiary of VINCI construction - is an international company that operates across highly regulated sectors including Civil Nuclear and has a strong presence and history of delivery at nuclear sites in the UK and internationally. 

NUVIA is a performance-driven company that is committed to the development of its people within a culture of safety, innovation, and excellence.

NUVIA UK is committed towards equality in employment.

Entity

NUVIA is a branch of VINCI, the world's largest integrated concessions and construction group. NUVIA is more specifically the nuclear entity of the VINCI Group and is involved in the entire life cycle of nuclear facilities, from new build to decommissioning, maintenance and operation. NUVIA is constantly growing, with more than 2700 employees worldwide. On average, 100 men and women join us every year. Now, more than ever, we are looking for new talent to support the group's growth.

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