Senior Mechanical Engineer

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Job title: Senior Mechanical Engineer (Building Services)

Location: Cardiff / Swansea (Hybrid 3 days per week)

Pay Rate: £51 per hour Umbrella PAYE (37.5 hours per week)

Qualifications required: Degree / IEng / CEng

Travelling costs expensed

Notice Period: 4 weeks

Contract Term: 4 months (with extension)

Our client are looking for Senior / Principal Mechanical Building Services Contract Engineer to join their growing team in Cardiff.

Responsibilities

  • Client briefing and stakeholder management.
  • Mechanical specification and equipment schedules writing.
  • Undertake heating, cooling and ventilation calculations.
  • Produce, and manage others to produce, detailed calculations using industry standard digital tools.
  • Work in partnership with the client's global technology centre (GTC) to add value to building services projects.
  • Represent the client at meetings with clients and contractors.
  • Carry out site surveys and site progress reviews.
  • Manage project delivery.
  • Assist in the development and mentoring of others within the team.
  • Opportunities for career Progression

Preferred characteristics

  • Degree qualified, or equivalent qualification, in Building Services Engineering or related subject.
  • Chartered Engineer with CIBSE / IMechE or working towards chartership.
  • Good level of computer literacy in Microsoft packages
  • Experience and awareness of mechanical design tool software packages such as IES, HEVACOMP, NBS and Revit.
  • CIBSE Low Carbon Consultant (LCC)
  • Experience working in a design consultancy and/or experience of working within a contractor design environment is essential.
  • Have a detailed knowledge of appropriate technical standards.
  • Able to take charge of project deliverables, make decisions, act on own initiative and operate in a pro‑active way.
  • Awareness and management of available project budget

#J-18808-Ljbffr”, “datePosted”: “2026-05-21”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Manpower Group (UK)”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__438848980__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33047” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Cardiff” } } }
Company: Manpower Group (UK)
Apply for the Senior Mechanical Engineer
Location: Cardiff
Job Description:

Job title: Senior Mechanical Engineer (Building Services)

Location: Cardiff / Swansea (Hybrid 3 days per week)

Pay Rate: £51 per hour Umbrella PAYE (37.5 hours per week)

Qualifications required: Degree / IEng / CEng

Travelling costs expensed

Notice Period: 4 weeks

Contract Term: 4 months (with extension)

Our client are looking for Senior / Principal Mechanical Building Services Contract Engineer to join their growing team in Cardiff.

Responsibilities

  • Client briefing and stakeholder management.
  • Mechanical specification and equipment schedules writing.
  • Undertake heating, cooling and ventilation calculations.
  • Produce, and manage others to produce, detailed calculations using industry standard digital tools.
  • Work in partnership with the client’s global technology centre (GTC) to add value to building services projects.
  • Represent the client at meetings with clients and contractors.
  • Carry out site surveys and site progress reviews.
  • Manage project delivery.
  • Assist in the development and mentoring of others within the team.
  • Opportunities for career Progression

Preferred characteristics

  • Degree qualified, or equivalent qualification, in Building Services Engineering or related subject.
  • Chartered Engineer with CIBSE / IMechE or working towards chartership.
  • Good level of computer literacy in Microsoft packages
  • Experience and awareness of mechanical design tool software packages such as IES, HEVACOMP, NBS and Revit.
  • CIBSE Low Carbon Consultant (LCC)
  • Experience working in a design consultancy and/or experience of working within a contractor design environment is essential.
  • Have a detailed knowledge of appropriate technical standards.
  • Able to take charge of project deliverables, make decisions, act on own initiative and operate in a pro‑active way.
  • Awareness and management of available project budget

#J-18808-Ljbffr…

Posted: May 21st, 2026