Who are we?
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.
Joining our operations team means being at the center of everything – maintaining and evolving critical infrastructure that powers the digital world and delivers real impact for our customers, communities and society. You’ll find belonging, purpose, and a team that welcomes you—because when you feel valued, you’re empowered to do your best work.
Job Summary
We are looking for a highly mechanically proficient Critical Facilities Specialist to join our UK Operations team, supporting the reliability, performance and continuous improvement of our data centre infrastructure.
This role is a mixture of hands-on, technically focused skills with a stakeholder engagement at the highest level and being an analytical problem solver. The role is suited to someone with strong experience in mechanical systems in critical environments such as data centres, the military, hospitals, manufacturing, or similar high-availability sites.
You will play a key role in maintaining and optimising cooling infrastructure, supporting incident response, and driving operational excellence across site facilities at our most critical data center in the UK and where needed, supporting the campus across Slough.
This role carries no line management responsibilities. It is designed for a technically credible individual who operates at a leadership level influencing outcomes, supporting others, and driving standards without formal people management accountability
Responsibilities
Mechanical Systems & Technical Expertise
Operate, maintain and troubleshoot critical mechanical infrastructure, including:
CRAC/CRAH units
Chillers and cooling plant
Cooling towers
Liquid cooling systems / CDUs
Air flow management
Drive improvements in cooling efficiency and environmental performance (e.g. PUE optimisation)
Support root cause analysis (RCA) for mechanical failures and contribute to long-term solutions
Use CAFM systems to manage maintenance activities, asset data and reporting
Site Operations & Project Delivery
Support planned maintenance, upgrades and infrastructure projects across the site
Assist with planning and execution of switching activities and mechanical works
Collaborate with vendors and contractors, ensuring safe and high-quality delivery
Contribute to project planning, scheduling and technical reviews
Incident Management
Act as a technical specialist during incidents involving mechanical systems
Diagnose faults, identify failed components and support rapid resolution
Contribute to post-incident reviews and continuous improvement actions
Collaboration & Communication
Work closely with cross-functional teams including electrical, operations, and project teams
Effectively communicate technical issues and solutions in a clear and practical way
Support and share knowledge across the team, contributing to a strong learning environment
Vendor & Contract Management
Manage and oversee specialist mechanical maintenance contractors on site
Review and validate contractor deliverables, sign-off reports and PPM records
Ensure contractor compliance with site rules, security and safety standards
Documentation & Knowledge Management
Maintain up-to-date O&M documentation, single-line diagrams and standard operating procedures (SOPs)
Develop and review emergency response procedures for mechanical systems
Support onboarding and technical training of team members
Qualifications
Technical & Operational Experience
Strong background in mechanical engineering within a critical infrastructure environment
Proven experience working with complex cooling systems (CRAC/CRAH, chillers, cooling towers, liquid cooling)
Experience supporting uptime-critical environments with strict SLA requirements
Solid understanding of root cause analysis methodologies
Professional Skills
Strong analytical and problem-solving capability
Ability to adapt quickly in a fast-paced, high-availability environment
Clear communicator, able to simplify complex technical concepts
Highly collaborative with a proactive, solutions-focused mindset
Committed to safety, quality and engineering best practice
Desirablev
Experience improving energy efficiency or PUE performance
Familiarity with CAFM systems
Exposure to automated monitoring / BMS systems
What We’re Looking For
Someone with deep mechanical capability rather than generalist engineering
Experience in environments where failure is not an option
A technically credible individual who can support others without needing to be a formal people manager
A mindset focused on continuous improvement, innovation and accountability
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 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.
We use artificial intelligence in our hiring process. Learn more here.
This posting is for a backfill position, meaning it is to fill an existing vacancy within our organization.