Senior Project Engineer – Mechanical; Data Centre Retrofit

Senior Project Engineer – Mechanical Summary We ’re looking for an experienced Senior Project Engineer – Mechanical to join a leading engineering consultancy, focusing on retrofit projects in mission-critical data centre environments. Based in London with hybrid working options, this permanent role offers the opportunity to deliver innovative engineering solutions on major European projects. If you thrive in live environments and excel in complex technical delivery, this is an excellent opportunity.

Salary €75,000 – €85,000 per year Location and Working Pattern London, hybrid working with flexible arrangements available. Occasional European travel may be required.

Client Overview Our client is a progressive engineering consultancy known for delivering cutting-edge solutions for data centre projects across Europe. They champion collaboration, sustainability, and technical excellence.

Responsibilities Lead the design and delivery of mechanical building services upgrades in live data centre environments, including capacity increases, M&E upgrades, and lifecycle replacements.

Develop and manage retrofit-specific strategies, including redundancy planning, outage strategies, and resilience design.

Prepare and review design documents, drawings, and technical reports.

Manage project scope, budget, and contracts, mitigating risks and live-environment constraints.

Liaise with clients and vendors to ensure seamless delivery with minimal disruption.

Drive quality assurance and governance across all live projects.

Mentor junior engineers and support their professional development.

Support business development through proposals and technical strategies across EMEA.Must-have Requirements Bachelor’s or Master’s degree in Mechanical Engineering or related discipline.

Minimum 8 years’ experience in building services engineering with at least 3 years in data centre or mission-critical projects.

Chartered Engineer status or working towards it.

Proven record delivering multi-million-euro mechanical projects from concept to completion.

Proficiency in AutoCAD, Revit MEP, Bluebeam, plus strong understanding of data centre mechanical systems (CRAC/CRAH, chilled water plant, etc.).Knowledge of CIBSE, ASHRAE, BS, EN standards, and EU Energy Efficiency Directive requirements.

Nice-to-have Skills

Experience with mechanical analysis tools such as IES or HAP.Knowledge of LEED/BREEAM standards and ESG considerations.

Familiarity with live-environment commissioning and resilience planning.

Benefits Hybrid working and flexible arrangements, including 9-day fortnight schedule.
20 days holiday plus pension scheme.

Professional support, including Chartership assistance and subscription fees covered.

Regular training, mentoring, and career development opportunities.

Social benefits with subsidised activities and events.

Apply Now Ready to take on a challenging and rewarding role in cutting-edge data centre projects? Apply today to join a team that values innovation and technical excellence.

About NRLThe NRL Group connect global companies with the right people to bring engineering projects to life. Supporting contracting companies with energy transition plans and working with our clients to create a cleaner, greener future.

We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer. You can ensure you stay safe when job searching online by visiting the Jobs Aware website.