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Senior Mechanical Engineer Building Services

Job in Plymouth, Devon, PL2, England, UK
Listing for: Babcock Mission Critical Services Espa?a SA.
Full Time position
Listed on 2026-01-03
Job specializations:
  • Engineering
    Mechanical Engineer
Job Description & How to Apply Below

Senior Mechanical Engineer – Building Services

Location:

Devonport, Plymouth, GB, PL2 2BG

Job Title:

Senior Mechanical Engineer – Building Services

Role Type:
Full time / Permanent

Role

At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Senior Mechanical Engineer – Building Services on the Devonport Royal Dockyard site.

The role

As a Senior Mechanical Engineer – Building Services
, you'll have a role that's out of the ordinary. It's purposeful work in defence, aerospace and engineering where your expertise helps protect people and capability, while accelerating your development on high profile programmes such as the 10 Dock improvements at Devonport.

Day to day, you'll lead mechanical building services design across complex dock and facility projects–from requirements capture and concept, through detailed design, implementation and close out, to through life support and decommissioning. You'll deliver designs and substantiation that meet licence conditions, legislation and codes, ensuring our infrastructure remains safe, reliable and mission ready.

  • Lead mechanical building services design (heating, ventilation and air conditioning, steam and condensate, industrial gases, domestic and demineralised water) and produce calculations, specifications and technical notes.
  • Guide optioneering and design reviews (including HAZOPs), providing technical advice as a subject matter expert and maintaining design intent across Babcock owned systems.
  • Manage workloads, supervise engineers, and ensure quality, configuration control and compliance with relevant standards and legislation.
  • Coordinate with CAD teams to develop models/drawings, conduct site surveys and monitor works, representing Mechanical Services Technical Authority.
  • Support project delivery–estimating, tender responses and technical analysis–while reporting progress and changes of scope.

This role is full time, 35 hours per week and provides hybrid working arrangements.

Essential experience of the Senior Mechanical Engineer – Building Services
  • Experience in design consultancy or contractor design environments, including leading small teams of engineers.
  • Strong computer literacy with industry standard digital tools (e.g., Hevacomp) and the mechanical services design lifecycle.
  • Deep understanding of mechanical engineering principles for building services systems (steam and condensate, HVAC, gases, water services).
  • Detailed knowledge of applicable regulations, legislation and technical standards.
  • Proven quality assurance, documentation and stakeholder coordination across complex facilities.
Qualifications for the Senior Mechanical Engineer – Building Services
  • Degree (or equivalent) in Building Services Engineering, Mechanical Engineering or related subject; or NVQ Level 5 in an engineering discipline.
Security Clearance

The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role.

Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your eligibility for certain roles may be affected by your place of birth, nationality, current or former citizenship, and any residency you hold or have held. Further details are available at United Kingdom Security Vetting: clearance levels –  () .

What we offer
  • Matched contribution pension scheme, with life assurance
  • Access to a Digital GP, annual health check, and nutritional consultations through Aviva Digi Care+
  • Employee share scheme
  • Employee shopping savings portal
  • Payment of Professional Fees
  • Reservists in the armed forces receive 10–days special paid leave
  • Holiday Trading is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually.
  • 'Be Kind Day' enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
  • Excellent development opportunities and benefits package including an employee assistance…
Position Requirements
10+ Years work experience
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