Mechanical Specialist- Critical Infrastructure

Equinix; Greater London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

15% bonus

RSU package

Private healthcare

Pension plan

Cycle to work

25 days holiday + bank holidays

Job summary

Equinix is seeking a highly capable Critical Facilities Specialist to join the UK Operations team, focusing on maintaining and optimising data centre cooling infrastructure across Slough sites and the UK’s most critical data centre facility.

You will lead mechanical system tasks, support incident response, and collaborate with cross‑functional teams to drive operational excellence and safety standards.

Qualifications

• Strong background in mechanical engineering within a critical infrastructure environment.
• Proven experience 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.

Responsibilities

• Maintain and optimise cooling infrastructure (CRAC/CRAH, chillers, cooling towers, liquid cooling).
• Support incident response and contribute to rapid resolution of mechanical faults.
• Work with cross‑functional teams to ensure safe, high‑quality delivery of projects.
• Provide technical leadership during incidents and support post‑incident reviews.
• Manage contractors on site and review important maintenance reports and SOPs.
• Maintain up‑to‑date documentation, diagrams and SOPs; support technical onboarding.

Skills

Mechanical engineering

Cooling systems

Root cause analysis

Analytical skills

Clear communicator

Safety leadership

Tools

CAFM systems

BMS systems

Job description

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.

Please note this role is based out if any of our sites in Slough and is not set at the location. The role could be placed across our Slough Campus.

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

• 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 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.

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This posting is a new position within our organization.