Powered by Water, Driven by Purpose

SES Water has a rich history of serving communities in the South East of England. Water plays an important role in our lives, which is why we’re committed to supplying our customers with access to 160 million litres of safe, reliable, clean water every day.

We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals? As well as lowering our carbon footprint, we’re working with partners to plant 300,000 trees, restore peatlands and supporting farmers and landowners to improve water quality and wildlife.

Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.

Ready to make a splash? Join our team today.

The Role

The Process Support Manager serves as SES Water's technical authority for water treatment process performance, ensuring treatment assets operate effectively and drinking water quality remains the highest priority. Working closely with Production, Water Quality, Asset Management, Capital Delivery and Maintenance teams, you will provide technical leadership, process governance, assurance, coaching and continuous improvement support across treatment operations.

Key Responsibilities

• Lead and optimise water treatment processes including filtration, softening, disinfection and chemical dosing.

• Ensure effective operation of treatment barriers to protect drinking water quality and regulatory compliance.

• Monitor treatment performance, operational risks and trends, driving continuous improvement and operational excellence.

• Support incident management, water quality risk mitigation and Drinking Water Safety Plans.

• Own and develop the Competent Operator Scheme, including training, assessments and coaching.

• Act as the technical authority for treatment-related capital projects, supporting design reviews, commissioning and operational handover.

• Collaborate with internal teams, contractors and industry stakeholders to improve treatment performance and resilience.

What We're Looking For

Experience

• Significant experience in water treatment operations, process performance or water quality roles.

• Experience optimising treatment processes and developing operational procedures and training.

• Proven ability to influence change without direct line management responsibility.

• Strong track record of using operational data to identify risks and improvement opportunities.

Knowledge & Skills

• Strong understanding of water treatment processes and drinking water quality protection.

• Knowledge of regulatory, health, safety and environmental requirements.

• Excellent analytical, problem-solving, communication and stakeholder management skills.

• Ability to interpret complex operational data and influence others through technical expertise.

• Full UK driving licence.

Reward & Benefits

At SES Water, we believe in rewarding our people with a comprehensive benefits package designed to support your wellbeing, financial future and work-life balance.

• 25 days annual leave (excluding bank holidays), increasing with length of service

• Holiday buy and sell scheme

• One paid volunteering day each year

• Competitive salary

• Competitive pension scheme with company contribution matching

• Life assurance cover

• Enhanced maternity, paternity, adoption and shared parental leave provisions

• Health cash plan

• Free annual flu vaccination

• Employee Assistance Programme providing 24/7 support for mental health, financial wellbeing and more

• Cycle to Work scheme

• Car Share scheme

• Retail discount programme offering access to thousands of discounts and deals

• Give As You Earn charitable giving scheme

• Paid volunteering day to support your local community or chosen charity

Closing Date: 25th November 2026

We may close this vacancy early if we receive a high volume of applications. We encourage you to apply as soon as possible.

Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.

Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.

Our core values, which are essential to our success, are:

Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.

Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.

Be the Future - Embrace change. Drive Progress. Own the challenge.