Water Systems Maintenance Engineer

Equinix; Slough; On-site; GBP 35,000 - 45,000; Full time

Job summary

A global digital infrastructure leader is seeking a Water Systems Maintenance Engineer in Slough to oversee the maintenance and compliance of water-based infrastructures within their data centre. This role involves preventive and reactive maintenance, monitoring system performance, and ensuring water quality and compliance with health regulations. The ideal candidate will have an NVQ Level 3 in a relevant field and experience in a critical environment.

Qualifications

• NVQ Level 3 or equivalent in Mechanical Engineering, Water Engineering, or Building Services.
• Experience in water systems maintenance, ideally in a data centre or critical environment.
• Strong understanding of chilled water systems and water treatment processes.

Responsibilities

• Perform scheduled and reactive maintenance on water systems including cooling towers and pumps.
• Monitor system performance using BMS and SCADA platforms.
• Operate and maintain water treatment systems to ensure quality.

Skills

Mechanical Engineering

Water Engineering

Water Systems Maintenance

Legionella Control

Cooling Systems Knowledge

BMS and SCADA Platforms

Compliance Documentation

Education

NVQ Level 3 or equivalent

Tools

CMMS platforms

Job description

Who are we?

Equinix is the world’s digital infrastructure company , operating over 26 0 data centers across the globe . Digital leaders harness Equinix's trusted platform to bring together and interconnect foundational infrastructure at software speed. Equinix enables organizations to access all the right places, partners and possibilities to scale with agility, speed the launch of digital services, deliver world-class experiences and multiply their value, while supporting their sustainability goals.

Joining our operations team means that you will be at the forefront of all we do, maintaining critical facilities infrastructure as part of a close-knit team delivering best-in-class service to our data center customers. We embrace diversity in thought and contribution and are committed to providing an equitable work environment that is foundational to our core values as a company and is vital to our success.

Job Title: Water Systems Maintenance Engineer – Data Centre (Mon–Fri)

Location: Slough

Role Overview:

We are seeking a dedicated Water Systems Maintenance Engineer to oversee the maintenance, performance, and compliance of water-based infrastructure within our mission-critical data centre. This role is vital to ensuring the continuous operation of cooling systems, water treatment equipment, and domestic water services, supporting both uptime and sustainability goals.

Key Responsibilities: Preventive & Reactive Maintenance:

• Perform scheduled and reactive maintenance on water systems including chilled water loops, cooling towers, pumps, valves, and filtration units.
• Carry out disinfection and de-scaling of cooling towers in line with industry best practices.
• Respond promptly to system alarms, leaks, or failures to minimise operational disruption.

System Monitoring & Diagnostics:

• Monitor system performance using BMS and SCADA platforms.
• Conduct inspections and diagnostics to identify wear, corrosion, or inefficiencies.

Water Treatment & Quality Control:

• Operate, maintain, and calibrate water treatment systems (chemical dosing, filtration, softening).
• Ensure water quality meets operational standards and complies with environmental and health regulations.
• Maintain domestic water systems, including hot and cold water services, ensuring hygiene and safety.

Compliance & Documentation:

• Maintain accurate maintenance logs, water hygiene logbooks, and compliance documentation.
• Support audits and reporting on water usage, system performance, and maintenance KPIs.
• Ensure all activities align with Legionella control and water hygiene regulations.

Contractor & Vendor Coordination:

• Supervise third-party contractors, ensuring adherence to safety and quality standards.
• Assist in procurement and inventory management of spare parts and consumables.

Health, Safety & Risk Management:

• Adhere to all health and safety regulations, including confined space entry and chemical handling.
• Support risk assessments and method statements for all maintenance activities.

Qualifications & Experience: Essential:

• NVQ Level 3 or equivalent in Mechanical Engineering, Water Engineering, or Building Services.
• Experience in water systems maintenance, ideally in a data centre or critical environment.
• Strong understanding of chilled water systems, cooling towers, and water treatment processes.
• Experience in disinfection and de-scaling of cooling towers.
• Familiarity with CMMS platforms and digital maintenance tools.
• Knowledge of Legionella control, water hygiene, and domestic water system maintenance.
• Experience maintaining compliance documentation and logbooks.

Desirable:

• BOAS or similar boiler/cooling certification.
• Water treatment qualifications (e.g., City & Guilds, WMSoc, or equivalent).
• Experience with energy-efficient water system operations.

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.