Closing Date
13/03/2026
Job Title: ICA Assistant Manager- Asset Maintenance & Standards
Base location: Kent, Sussex or Hampshire- Travelling between areas when required therefore driving licence essential.
Work type: Permanent
Hours: 37 hours per week
Salary: Circa £40,000 per annum (depending on skills and experience)
About the role
We are currently recruiting for an Assistant Manager within our Wastewater ICA function to support our Asset Maintenance and Standards operations. You will be primarily responsible and accountable for the completion of updating Southern Water’s internal systems and tracking of works, training records, hazards and store audits, attending compliance meetings with other departments.
You will manage the team in the absence of the Field Performance Managers as you will deputise for leave and delegated requirements, meeting performance continuity for an operational area and role succession. Working closely within our internal teams, you will be liaising with our technical planning and scheduling team and using your expertise to plan in complex works safely and resolve long-standing and reactive issues, planning activities to deliver repairs, inspections and maintenance on treatment works and the networks.
As a developing leader, you will work with the team to support high standards of employee engagement and consultation with internal stakeholders. Proactively monitoring and escalating on performance shortfalls and implementing strategic improvement initiatives through advice and coaching is essential for this role.
What you will be responsible for:
1. Maintain oversight of compliance with ISO14001 and ISO9001, ensuring operational standards and statutory requirements are met
2. Assess, manage, and mitigate Health, Safety, Security, Wellbeing, and Environmental risks, including ownership and closure of identified hazards
3. Lead and complete statutory HSE audits (including SSI and EMS) and manage associated systems such as the Hazard Database and Pentana
4. Escalate critical issues appropriately and coordinate with the FPM in line with defined escalation guidelines
5. Support team performance through coaching, mentoring, and targeted performance improvement, building strong cross‑business relationships
6. Own and coordinate specialist responsibilities including PLC software handovers, MCERT & HACCP coordination, and verification equipment ownership
Additional requirements
As part of the role, you may be required to be part of our standby rota (frequency to be discussed at interview)
Whatyou’llbring to the role:
A curious individual with passion to develop into team management, you will have a good understanding of ICA, Electrical and Mechanical trades within a regulated environment such as Regulatory and Legal Environmental policy, waste management licensing, and the Health & Safety at Work act.
You will demonstrate a strong technical and operational background, a focus on Health and Safety risk and Environmental impact, together with a collaborative approach and clear drive for continuous improvement by undertaking site audits to ensure compliance with asset maintenance expectations, asset/plant standards, site cleanliness and performance.
It will be highly desirable for you to have a background working within Wastewater treatment however we welcome applicant who has strong operational background, with clear track record of delivering to health, safety, and environmental targets.
About Southern Water
Southern Water is at the forefront of transforming Britain’s water industry, investing significantly to enhance resilience, sustainability, and service excellence. With £7.8bn planned investment for 2025-30, this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.
You will be joining at a time ofsignificant change, working alongside a highly skilled leadership team witha clear visionfor the future. We offer an environment where senior professionals can make a meaningful impact, influence major strategic decisions, and drive long-term value creation
“Your potential matters more than a perfect checklist. If this role excites you and you believe you can make an impact, we want to hear from you! Skills can be learned—passion, drive, and fresh perspectives are what truly set candidates apart.Don’thesitate—take the leap and apply!”
If this roleisn’tquite whatyou’relooking for but are keen to be contacted about opportunities at Southern Water, you can register your details here: Introduce Yourself (myworkdaysite.com-Introduce Yourself)
Our Commitment to Diversity
We welcome applicants from all backgrounds, identities, and experiences. We do not discriminate based on race, ethnicity, gender, sexual orientation, age, disability, religion, or any other protected characteristic. If you need reasonable adjustments during the recruitment process, please let us know.