Senior Mechanical Design Engineer

Company: EQUANS
Apply for the Senior Mechanical Design Engineer
Location: Manchester
Job Description:

Equans Sci-Tech is recruiting for a Senior Mechanical Design Engineer to deliver technical services at bid, design, installation and commissioning phases. The role will be focused on the management of design and technical support services to data centres and other mission‑critical projects.

What you will deliver?

  • Delivery of designs in line with health and safety requirements.
  • Full accountability for the design of mechanical services for data centre and other mission‑critical projects.
  • Management of mechanical designers, including review and approval of designs.
  • Lead co‑ordination of construction, mechanical and electrical design at all stages of the project lifecycle, including input from clients, internal/external designers, suppliers, subcontractors and commissioning agents.
  • Lead regular design meetings with project team and provide effective communication and change management.
  • Provide support to the technical strategy at bid and pre‑construction phase.
  • Provide engineering support to site teams, providing specialist design input to proactively resolve problems and support installation works to programme requirements.
  • Provide engineering support to maintain technical audit trail through design, procurement, installation and commissioning stages.
  • Successful project delivery with high‑quality design deliverables completed on time and on budget.
  • Maintain audit trail to demonstrate design review process and design acceptance by internal and external stakeholders.
  • Accepted as the design lead within the project teams.
  • Effectively resolve installation and commissioning challenges.

What can we offer you?

  • 25 days annual leave (+ public holidays)
  • Life Cover equivalent to 4× annual salary
  • Company Stakeholder Pension Scheme
  • Private Medical Insurance
  • 2 corporate social responsibility days per year
  • Broad range of learning opportunities, such as professional qualifications, collective/individual training and personalised support programmes
  • Attractive Employee Referral Rewards Scheme
  • Access to our growing employee networks including AccessAbility (representing those with physical and mental disabilities), Encompass (representing the LGBTQ+ community), RISE (representing people from ethnic backgrounds), WOMEN TOGETHER (representing women in Equans), Working Parents, and Young Professionals.
  • 24/7 Employee Assistance Program and access to mental wellbeing app

Who are we looking for?

  • Recognised qualification in mechanical / building services engineering (i.e. BEng / MEng or significant demonstrable experience).
  • Experience of designing mechanical services in line with appropriate standards, guidance and client requirements.
  • Ability to agree a practical and realistic programme for delivery of design to the requirements of internal and external stakeholders and project demands.
  • Ability to mentor and provide leadership to engineers and designers of all levels.
  • Experience of undertaking and leading the design of mechanical services, particularly for data centres and other critical environment projects.
  • Experience of undertaking design at all stages of the project lifecycle – pre‑construction, design and construction stage.
  • Experience in undertaking and managing specialist design and engineering services – Sustainability & compliance (BREEAM, environmental permitting – heat, fume and noise emissions, Part L), mathematical modelling (CFD, FEA, etc.) and services support design.

Who are we?

Equans Sci‑Tech is a specialist partner for mission‑critical environments – cleanrooms, laboratories and manufacturing plants – providing a fully integrated, single‑source approach to define, design and deliver advanced facilities with absolute certainty.

Our lifecycle management mindset and value engineering model ensure cost certainty, faster speed to market and long‑term ROI. From strategic consultation and compliant, sustainable, technology‑agnostic designs to seamless delivery, handover and ongoing optimisation, we create future‑proof technical facilities and drive unmatched business outcomes.

Backed by deep expertise, collaborative engagement and a culture of continuous knowledge development, we guarantee reliable, innovative solutions that support safety, sustainability and long‑term success.

What’s next

If this role is of interest to you, please click below to register, apply, and track your progress! A member of our Resourcing Team will review your application and be in touch.

As part of our commitment to better reflect the markets within which we operate, we encourage applications from women, ethnically diverse individuals and people with disabilities, along with all candidates who identify with protected characteristic groups under the Equality Act 2010.

At Equans we’re committed to delivering a culture where everyone’s voice is heard and supported. We know the value a diverse workforce creates, delivering better results for our people, customers, and stakeholders. Diversity and inclusion is at the core of what we do – should you join Equans you’ll find a welcoming and open workplace where you’re supported and encouraged to be your true self at work.

You’ll also have access to our growing employee networks including AccessAbility (representing those with physical and mental disabilities), Encompass (representing the LGBTQ+ community), RISE (representing people from ethnic backgrounds), Veterans & Reservists, WOMEN TOGETHER (representing women in Equans), Working Parents and Young Professionals.

For this role, you must have evidence of the right to work in the UK. Unfortunately, we are not able to offer a re‑location package with this job role. Certain roles may require applicants to undergo a Disclosure check, as noted in the role requirements.

The EQUANS Resourcing Team supports this job advert. Agency involvement is not required. All related enquiries must come to the Resourcing Team, not directly to Bouygues Energies & Services and EQUANS Managers.

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Posted: April 8th, 2026