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Senior / Principal Mechanical Engineer

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VINCI Energies

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Location:
United Kingdom , Chorley

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Category:
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Contract Type:
Not provided

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Salary:

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Job Description:

ACTEMIUM Design offers multidiscipline design expertise which enables us to deliver robust solutions to our customers on mission critical and strategically important projects. As part of VINCI Energies with a turnover of €14 billion, ACTEMIUM Design UK is an agile business, growing in a dynamic and sustainable manner. We are recruiting a Senior / Principal Mechanical Engineer to author Mechanical Design Substantiation Reports which will underpin the design of the various process systems. In this first instance this role will be a seconded position with the client. Staff or Contract (within IR35) options available.

Job Responsibility:

  • Authoring nuclear substantiation documentation, including Design Substantiation Reports (DSR) providing the assurance and evidence to enable confidence in our technical solutions
  • Reviewing safety case documentation and identifying potential shortfalls in the design
  • Liaising with both internal and external designers and equipment vendors to gather information
  • Interrogating the Engineering Schedule and evidencing claims made against Systems, Structures, and Components (SSC) in the documentation
  • Interfacing with other stakeholders such as Human Factors, Fire Safety, Criticality, Radiological and the client Technical Authority

Requirements:

  • Questioning attitude, confident to challenge information where needed
  • Previous experience in design substantiation and safety case involvement for highly regulated industries
  • Fully familiar with all aspects of safety case methodologies and legal framework relevant to nuclear safety
  • Good oral and written communication skills, including presentation and report writing
  • Several years' experience working in design engineering
  • Degree with honours or Level 6 equivalent
  • Chartered Engineer or equivalent (or working towards)
What we offer:
  • Competitive salary package
  • Innovative, collaborative and inclusive environment
  • Flexible working including hybrid and core hours patterns
  • Professional and skills based continued development though training and mentoring
  • Professional Membership fees
  • Employee share scheme
  • EV salary sacrifice scheme
  • Health Shield Cover
  • Modern offices with on-site gym, café (Chorley Head office)
  • Social events, charity fundraising events throughout the year
  • Signatory to the Armed Forces Covenant

Additional Information:

Job Posted:
April 27, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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