Babcock International Group

Senior Mechanical Engineer – Building Services

Babcock International Group

full-time

Posted on:

Location Type: Hybrid

Location: Plymouth • 🇬🇧 United Kingdom

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Salary

💰 £51,941 per year

Job Level

Senior

About the role

  • 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.
  • 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.

Requirements

  • 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.
  • Degree (or equivalent) in Building Services Engineering, Mechanical Engineering or related subject; or NVQ Level 5 in an engineering discipline.
  • The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role.
Benefits
  • Generous holiday allowance
  • Matched contribution pension scheme, with life assurance
  • Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
  • 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.
  • ‘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 programme supporting physical, mental and financial wellbeing.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
mechanical building services designheating systemsventilation systemsair conditioning systemssteam and condensate systemsindustrial gasesdomestic water systemsdemineralised water systemscalculationstechnical specifications
Soft skills
leadershipteam managementquality assurancestakeholder coordinationtechnical adviceworkload managementcommunicationproblem-solvingproject deliveryconfiguration control
Certifications
degree in Building Services Engineeringdegree in Mechanical EngineeringNVQ Level 5 in engineering disciplineSecurity Check (SC) security clearance