At a Glance
- Tasks: Lead mechanical upgrades in live data centres across the UK and Europe.
- Company: Top engineering consultancy focused on mission-critical infrastructure.
- Benefits: Competitive salary, flexible working, generous leave, and career progression.
- Other info: Join a respected team with ongoing training and support towards Chartership.
- Why this job: Make a real impact on high-profile projects while mentoring junior engineers.
- Qualifications: Degree in Mechanical Engineering and 8+ years in building services engineering.
The predicted salary is between 60000 - 75000 £ per year.
We are partnering with a leading engineering consultancy specialising in mission-critical infrastructure to recruit a Senior Project Engineer - Mechanical. This role focuses on delivering retrofit and upgrade projects within live operational data centre environments across the UK and Europe. You will play a key role in the design, specification and delivery of complex mechanical systems, ensuring projects are completed safely, efficiently and to the highest technical standards. Working within live facilities, you will help maintain operational continuity while delivering critical engineering solutions. This is an excellent opportunity to work on major data centre programmes, lead multidisciplinary project delivery, mentor junior engineers and act as a trusted technical advisor to clients across the EMEA region.
Key Responsibilities
- Lead the design and delivery of mechanical building services upgrades within live data centre environments, including M&E upgrades, capacity increases, technology refreshes, phased refurbishments and lifecycle replacements.
- Develop retrofit-specific engineering strategies, including live system tie-ins, redundancy planning, outage management, staging strategies and resilience design.
- Conduct technical due diligence of existing facilities, including assessments of cooling, power and white space capacity.
- Prepare and review detailed engineering drawings, specifications, reports and tender documentation.
- Manage project scope, programme, budgets and contracts while identifying and mitigating technical and operational risks.
- Work closely with clients, contractors and suppliers to deliver projects with minimal operational disruption.
- Ensure compliance with quality, safety and permit-to-work procedures within live environments.
- Mentor and support junior engineers.
- Contribute to business development activities, technical proposals and client presentations.
- Lead phasing strategies for live cooling and HVAC upgrades to ensure uninterrupted operation of critical infrastructure.
About You
Technical Skills
- Strong experience designing mechanical systems for live data centre or mission-critical environments.
- Expertise in chilled water systems, CRAC/CRAH units, HVAC systems, air handling units, in-row cooling and fire suppression systems.
- Experience delivering mechanical upgrades within operational facilities, including outage planning and live system integration.
- Proficient with AutoCAD, Revit MEP, Bluebeam and Microsoft Office; experience with IES, HAP or similar analysis software is advantageous.
- Good understanding of CIBSE, ASHRAE, BS and EN standards.
- Knowledge of cooling optimisation, energy efficiency and commissioning within mission-critical environments.
Experience & Qualifications
- Degree qualified in Mechanical Engineering or a related discipline.
- Approximately 8+ years' experience in building services engineering, including several years within data centres or other mission-critical facilities.
- Proven experience delivering brownfield, retrofit or refurbishment projects within live operational environments.
- Chartered Engineer status (or actively working towards Chartership) is desirable.
- Demonstrated experience managing complex MEP projects from concept through to completion.
- Knowledge of UK and European building regulations is beneficial, along with familiarity with LEED, BREEAM or other sustainability standards.
Personal Attributes
- Strong communication and client-facing skills.
- Excellent organisational and problem-solving abilities.
- Comfortable leading multidisciplinary engineering teams.
- Detail-oriented with a strong focus on quality, safety and risk management.
- Able to make sound engineering decisions in complex live operational environments.
What's on Offer
- Competitive salary and benefits package.
- Flexible working arrangements, including an enhanced work-life balance programme.
- Generous annual leave allowance.
- Ongoing training, mentoring and support towards Chartership.
- Opportunity to work on high-profile data centre projects across the UK and Europe.
- Clear career progression within a growing and highly respected engineering consultancy.
Senior Project Engineer in London employer: Spencer Ogden
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