Electrical / Mechanical Maintenance Technician

Affinity Water; Saffron Walden, Harlow; On-site; GBP 47,000 - 57,000; Full time

Benefits offered by this job

Company van + fuel card

Uniform and equipment provided

Annual bonus scheme

Pension matching 12%

Family-friendly policies

Wellbeing resources

Volunteering days

Life Assurance

Job summary

Affinity Water in the Stort region (Saffron Walden / Harlow) seeks an Electrical Mechanical Maintenance Technician to keep our water treatment works, booster sites, reservoirs and towers running smoothly. This hands-on role combines problem solving with teamwork to protect our regional water supply.

You'll diagnose faults, service pumps, inspect electrical panels, calibrate equipment, and work with PLCs and controls.

Qualifications

• City and Guilds Electrical Installation Level 3 or equivalent.
• Proven experience in a maintenance engineering role.
• Strong electrical and/or mechanical fault-finding and diagnostic skills.
• Knowledge of PLCs, motors, mechanical/control systems, and the ability to interpret electrical schematics or PID/Engineering drawings.
• Understanding of health & safety regulations.
• A positive, adaptable attitude as you’ll be tackling new challenges daily.

Responsibilities

• Performing electrical & mechanical fault-finding, repairs, and maintenance on critical water treatment infrastructure.
• Interrogating PLC systems and getting hands‑on with complex treatment processes.
• Conducting planned and preventative maintenance to reduce breakdowns and improve efficiency.
• Diagnosing and troubleshooting faults to keep downtime to a minimum.
• Collaborating with the production team and other departments to ensure seamless operations.
• Ensuring compliance with water quality and health & safety regulations.

Skills

Electrical fault-finding

Mechanical fault-finding

PLC systems

Schematic/PID interpretation

Health & safety regulations

Adaptable attitude

Education

City and Guilds Electrical Installation Level 3

Job description

Electrical Mechanical Maintenance Technician

Ready for a role where every day is different?

We’re on the lookout for a skilled Electrical / Mechanical Maintenance Technician to play a crucial role in keeping our water treatment works, booster sites, reservoirs, and towers running smoothly. If you love problem-solving, hands-on technical work, and collaborating with a talented team, this could be the perfect fit.

Why join us?

This isn’t just about fixing things—it’s about making a real impact on the quality and reliability of water supply in the region. From climbing water towers to diagnosing faults in electrical panels, your expertise will keep vital systems running.

A Day in the Life of a Production Technician where no two days are the same:

• Climb water towers for inspections

• Diagnose and repairing a pump failure

• Investigate an electrical fault inside a control panel

• Carry out routine calibrations on critical equipment

• Take a reservoir out of supply for essential maintenance

• Expect a mix of planned work and unexpected challenges—it keeps things exciting!

What You’ll Be Doing:

• Performing electrical & mechanical fault-finding, repairs, and maintenance on critical water treatment infrastructure.

• Interrogating PLC systems and getting hands‑on with complex treatment processes.

• Conducting planned and preventative maintenance to reduce breakdowns and improve efficiency.

• Diagnosing and troubleshooting faults to keep downtime to a minimum.

• Collaborating with the production team and other departments to ensure seamless operations.

• Ensuring compliance with water quality and health & safety regulations.

What We’re Looking For:

• City and Guilds Electrical Installation Level 3 or equivalent.

• Proven experience in a maintenance engineering role.

• Strong electrical and/or mechanical fault-finding and diagnostic skills

• Knowledge of PLCs, motors, mechanical/control systems, and the ability to interpret electrical schematic or pneumatic/PID/Engineering drawings.

• Understanding of health & safety regulations.

• A positive, adaptable attitude as you’ll be tackling new challenges daily

Location

Stort region - Saffron Walden / Harlow

Advert Closing Date

31/10/26

What’s In It for You?

• Up to £51,851 salary (includes a 1-in-5 standby payment of £6,611).

• Company van + fuel card

• Full uniform and equipment provided.

• Operational hours: Mon-Thu 08:00-16:0, Fri 08:00-15:30.

• Learning & development opportunities, including mentoring and formal training.

• Annual bonus scheme based on company performance.

• 24 days’ annual leave (rising with service) + option to buy up to 5 extra days.

• Additional ‘Celebration Day’—take time off for a special occasion that matters to you.

• Pension scheme: We’ll double your contributions (up to 12%).

• Family-friendly policies, including enhanced maternity, paternity, adoption, and fertility support.

• Wellbeing support, including mental health resources and medical discounts.

• Volunteering days: Up to 4 paid days per year to give back to the community.

• Life Assurance for peace of mind.

What Our Team Says is the most rewarding part of this role

"It's the sense of achievement when you resolve a tricky problem and the collaboration with colleagues. Everyday can be filled with small challenges, sometimes they all come at once, working here can have a real sense of accomplishment at the end of the day."

Luke Rose, Production Lead adds - "If you're looking for exciting challenges and have a growth mindset, this role has huge potential to developing your technical career. There's many opportunities to hone skills and tinker with new equipment whilst beginning your journey within Affinity Water"

This role comes with a great level of responsibility to our customers, working hands‑on with raw water, treatment processes, and storage infrastructure, where you will be playing a vital role in delivering safe, high-quality water. If this sounds like a fit, we’d love to hear from you.

About us

Affinity Water are the UK's largest water only company and our site in Harlow has an incredibly talented and experienced team.

The work they do matters to people's lives, with over 3.89 million customers using our water every day. Making that happening means a lot of Technicians playing their part - whether they're treating and producing water, maintaining our network, visiting our customers, or doing the important work of supporting our front‑line teams.

We we want to go beyond business-as‑usual and constantly look for any opportunity to be more sustainable, help our customers use water better, and improve the experience of everyone who uses our water.

The work you'll do is essential for Affinity Water to deliver safe, clean drinking water to millions of customers every day.