Mechanical Engineer – Critical Infrastructure & Projects in London

Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet. A place where bold ideas are welcomed, human connection is valued, and everyone has the opportunity to shape their future. A career at Equinix means being at the center of shaping what comes next and amplifying customer value through innovation and impact.

You’ll work across teams, influence key decisions, and help shape the path forward. You’ll find belonging, purpose, and a team that welcomes you—because when you feel valued, you’re empowered to do your best work. We’re looking for a passionate and driven engineering professional to join our team, working at the heart of our critical infrastructure environments.

In this role, you’ll play a key part across the full lifecycle of engineering delivery – from planning and system design through to implementation, maintenance, and ongoing optimisation. You’ll lead smaller-scale projects and support the rollout of engineering initiatives, while also contributing to the development of engineering standards, policies, and best practices. Collaboration is central to this role – you’ll work closely with design engineering, site engineering, construction, and operations teams, as well as external vendors and consultants, to deliver exceptional outcomes.

This is a fantastic opportunity to combine hands‑on technical expertise with project leadership, helping to shape both day‑to‑day operations and the longer-term direction of our data centre environments.

Location & working pattern:

• Primarily based across London and Slough, with your “home” data centre aligned to the site closest to you for day-to-day travel
• Occasional travel to Manchester will be required
• Monday to Friday, 37.5 hours per week, with flexibility around start times to support work-life balance
• Currently minimum 2 days in office to change with company guidance (office space available 5 days a week if preferred)

Key Responsibilities

• Project Management
  • Support the delivery and coordination of engineering projects and initiatives
  • Provide leadership to ensure projects meet or exceed expectations in terms of quality, safety, and timelines
• System Operation & Work Practices (including Capacity Planning)
  • Carry out complex maintenance and repairs across engineering systems
  • Develop scopes of work (SOWs) for maintenance, replacement, and construction activities
  • Apply Equinix processes and procedures to resolve non-routine or complex issues
  • Champion and uphold safe working practices at an expert level (e.g. LOTO, MSDS understanding)
  • Identify power and cooling constraints alongside capacity and site engineering teams, helping shape practical solutions
• Training & Development
  • Support the onboarding and development of new team members
  • Continue building expertise through hands‑on experience, vendor training, and knowledge sharing
  • Act as a subject matter expert (SME) in specific systems and support the development of others
• Contract Administration
  • Support effective contract administration, including the creation, review, and tracking of contracts, change orders, and cost forecasts
• Leadership & Communication (including Vendor Management)
  • Mentor and support more junior engineers
  • Coordinate and guide internal teams and external partners (contractors, design teams, suppliers, etc.)
  • Communicate effectively across functions, including contributing to SOP development and technical documentation
  • Engage with stakeholders across the business, including occasional senior‑level communications
• Policy & Procedure
  • Contribute to the development and continuous improvement of policies, procedures, and standards
  • Ensure adherence through documentation reviews, commissioning activities, and site inspections
• Problem Solving
  • Take ownership of complex, cross-functional challenges
  • Proactively identify risks and recommend system-level improvements
• Technical Expertise
  • Maintain and deepen expert-level knowledge across key systems
  • Act as a go‑to technical expert within the team
  • Share knowledge through internal sessions or external industry forums where appropriate

Desirable Experience

It would be great to see experience in some of the following areas, though not all are essential:

• Chilled water, process water, or HVAC systems
• High‑density cooling solutions
• Equipment replacement strategies
• Mechanical design or consultancy experience

Qualifications & Background

Proven experience across mechanical system design, operations, maintenance, and project delivery – ideally within data centres or other mission‑critical environments. We also welcome candidates from design consultancy or adjacent industries looking to bring their expertise into a new and evolving environment. Bachelor’s degree (or equivalent experience).

Why Should You Apply?

• Competitive Salary: Attractive compensation including a non-contractual 15% bonus based on performance and a Reserved Stock Unit package
• Generous Leave: 25 days of holiday plus bank holidays, with the option to purchase additional days (pro rata for shift positions)
• Comprehensive Insurance & Health Benefits: Life Assurance, Income Protection, Critical Illness Insurance, Private Healthcare, Eye Care Coverage, and Gymflex Membership
• Investment Opportunities: Employee Stock Purchase Plan and Company Pension Plan
• Travel Benefits: Cycle to Work Scheme and Annual Season Ticket Loan
• Career Growth: Excellent opportunities for growth and advancement within the company

Equinix is committed to ensuring that our employment process is open to all individuals, including those with a disability. If you are a qualified candidate and need assistance or an accommodation, please let us know by completing this form. Equinix is an Equal Employment Opportunity and, in the U.S., an affirmative action employer. All qualified applicants will receive consideration for employment without regard to unlawful consideration of race, color, religion, creed, national or ethnic origin, ancestry, place of birth, citizenship, sex, pregnancy/childbirth or related medical conditions, sexual orientation, gender identity or expression, marital or domestic partnership status, age, veteran or military status, physical or mental disability, medical condition, genetic information, political/organizational affiliation, status as a victim or family member of a victim of crime or abuse, or any other status protected by applicable law.