Southern Water
Private UK utility supplying drinking water and treating wastewater across southern England.
Process Tech (Mech)
Maintain and repair wastewater treatment plants, sludge centres and pumping stations.
Job Highlights
About the Role
You will join Southern Water’s Wastewater Team, responsible for maintaining and repairing wastewater treatment works, sludge centres, and pumping stations. The role requires ensuring compliance with environmental, quality, and safety standards while supporting continuous improvement initiatives. Our 24/7 incident support team ensures rapid resolution of water service issues; all employees understand the importance of out‑of‑hours support and may be asked about incident rotas during the interview process. • Undertake reactive and planned maintenance of plant and equipment. • Install new plant and equipment as required. • Respond to alarms and fault‑find issues, fixing or escalating as needed. • Carry out inspection and testing on mechanical equipment following company procedures. • Provide technical expertise to internal and external contractors. • Update company systems and databases accurately and promptly. • Participate in standby cover on a 1‑in‑8 rota basis.
Key Responsibilities
- ▸plant maintenance
- ▸equipment installation
- ▸fault response
- ▸inspection testing
- ▸technical support
- ▸system updates
What You Bring
• Hold a Level 3 NVQ Mechanical qualification with certificates. • Possess a full UK driving licence. • Demonstrate problem‑solving skills and ability to work under pressure. • Experience in the water industry. • Strong understanding of pumping station operation and wastewater treatment processes. • Knowledge of health and safety legislation.
Requirements
- ▸nvq mechanical
- ▸driving licence
- ▸problem solving
- ▸water industry
- ▸pumping stations
- ▸health safety
Benefits
The closing date for applications is 3 February 2026 for the Process Technician – Mechanic role based in West Sussex. Candidates must be willing to travel across multiple sites and hold a full UK driving licence. This is a permanent position, working 38 hours per week, with a salary ranging from £36,954.02 to £44,344.09 per annum depending on skills and experience. Benefits include a company van for business use (available to take home), a fuel card, a health care cash plan (with optional family coverage), and pension contributions of up to 11%. Southern Water offers clear career progression, training and development opportunities to help you advance within the organisation. These programmes are designed to support your professional growth and skill development. While flexible working requests cannot always be accommodated, Southern Water will seek practical solutions where possible, encouraging candidates to discuss any concerns about working patterns.
Work Environment
Field