Graduate Project Engineer - Mechanical

Are you ready to launch your career in Mechanical Engineering with a leading expert in cutting-edge data center solutions? Equans Data Centers is seeking a motivated Graduate Project Engineer – Mechanical to join our innovative team and support exciting large-scale projects from inception to completion.

As a Graduate Project Engineer – Mechanical, you will become an integral part of our delivery teams, managing key mechanical elements on high profile projects. Based in High Wycombe
, you will collaborate closely with experienced professionals, ensuring projects proceed on time, to quality standards with zero compromise on health & safety.

Starting in September 2026, you will join our two-year structured Graduate Programme, combining formal training with practical on‑the‑job experience. Our programme offers a balance of training and on‑the‑job learning to support your transition to becoming an accomplished professional. You will take responsibility for your career, while we offer guidance and support to help you reach your goals.

We are looking for people who are motivated to continue learning and ready to take on new opportunities. You won’t be alone during the scheme, and you will be supported to drive your development through reviews and regular meetings with the Early Careers team. You will also be able to join any of our employee‑led networks, including our Young Professionals Network.

• Supporting the design, review, and coordination of mechanical systems including:
  • CRAC/CRAH units
  • Chillers, cooling towers, heat exchangers
  • Airflow systems and ventilation
  • Piping and valves
  • Fuel systems, fire suppression, and building services
• Assisting in analysing drawings, specifications, and submittals to ensure they meet project and compliance standards.
• Participating in site inspections, quality checks, installation reviews, and readiness assessments.
• Working with senior engineers on thermal load calculations, system capacity checks, modelling, and reporting.
• Helping prepare technical documentation, method statements, and commissioning support materials.
• Collaborating with multidisciplinary teams (electrical, controls, architectural, and IT) to ensure full systems integration.
• Learning from suppliers and subcontractors about specialist mechanical equipment and installation practices.
• Supporting continuous improvement initiatives and contributing ideas to drive efficiency and innovation.
• Assisting in ensuring that work is carried out in full conformance with quality, environmental, and safety requirements.

• A starting salary of £32,000
• 25 days annual leave (+ public holidays)
• Life Cover equivalent to 4 times 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 Access Ability, Encompass, RISE, Veterans & Reservists, WOMEN Together, Working Parents and Young Professionals.
• 24/7 Employee Assistance Programme and access to a mental wellbeing app

• A degree in an applicable field e.g. Mechanical Engineering or Building Services Engineering
• The desire to build a career in the Mechanical Engineering industry
• Self‑motivated, with proven organisational ability and the drive to meet deadlines
• Customer focused with the ability to communicate effectively
• Passionate about the industry and willing to progress
• Team focused, with the ability to interact with a wide variety of people at all levels

Equans Data Centers is a strategic data centre partner. We deliver the whole data centre, providing full general contracting for hyperscaler and colocation data centre projects across Europe, through a single point of contact. Leveraging Bouygues Energies & Services and Equans’ experiences, we provide expertise in construction and engineering, global standardisation, precision localisation and total control of the supply chain. This enables us to deliver data centres with the best…