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 program 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.

The type of tasks the successful candidates will be involved with are:

• 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 service
• Assisting in analyzing drawings, specifications, and submittals to ensure they meet project and compliance standards.
• Participate in site inspections, quality checks, installation reviews, and readiness assessments.
• Work with senior engineers on thermal load calculations, system capacity checks, modelling, and reporting.
• Help prepare technical documentation, method statements, and commissioning support materials.
• Collaborate with multidisciplinary teams (electrical, controls, architectural, and IT) to ensure full systems integration.
• Learn from suppliers and subcontractors about specialist mechanical equipment and installation practices.
• Support continuous improvement initiatives and contribute ideas to drive efficiency and innovation.
• Assist in ensuring that work is carried out in full conformance with quality environmental and safety requirements.

On offer is a competitive salary and benefits package, which includes:

• 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 AccessAbility, Encompass, RISE, Veterans & Reservists, WOMEN Together, Working Parents, and Young Professionals.
• 24/7 Employee Assistance Program and access to mental wellbeing app

• A degree in an applicable field i.e. Mechanical Engineering / Building Services Engineering
• The desire to build a career in the Mechanical Engineering industry
• Be 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 the willingness 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 possible quality, speed to delivery and high repeatability and scalability – to realise client needs for cost transparency, low risk, continual availability, innovation and certainty of planning and outcomes.

With more than 1,200 highly skilled employees across 8 European countries, Equans Data Centres has delivered over 400,000m2 of data halls, exceeding 640MW of IT space for major data centres providers such as VIRTUS Data Centers, Digital Reality, Equinix, Vantage Data Centers, Stack Infrastructure, Data4 and many others.

If this role is of interest to you, please submit an up-to-date CV outlining your motivations for applying for Equans Data Centers and answer our pre-screening eligibility questions. Applications missing this may not be progressed.

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, Encompass, RISE, Veterans & Reservists, WOMEN Together, 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 direct to EQUANS Managers.