Senior Wastewater Process & Compliance Leader

Thames Water; Isleworth; Hybrid; GBP 54,000 - 66,000; Full time

Benefits offered by this job

Car allowance

Company car allowance provided

Annual leave 26–30 days

Pension scheme

Job summary

Thames Water is seeking a Principal Process Specialist to shape and lead our environmental compliance across wastewater treatment works in the South London area. You’ll bring senior wastewater knowledge and regulatory experience to address complex escalations and drive improvements across multiple sites.

As the most senior technical role in process compliance, you will coach and mentor teams, lead root cause analyses, and coordinate input from cross-functional groups to deliver high-quality,

Qualifications

• Significant experience with wastewater processes and pollution investigations.
• Proven track record leading fault finding and delivering change.
• Able to convey complex technical information to non-technical audiences.
• Experience managing and leading technical teams; coaching and mentoring.
• Full UK driving licence with transport and business-use insurance; car allowance provided.
• Strong data handling, processing, and reporting; IT systems adaptable.
• Excellent time management and self-starting abilities.
• BSc/MSc in science or engineering is highly advantageous.

Responsibilities

• Lead subject matter expert in wastewater treatment and regulation.
• Analyse wastewater KPIs, report findings, and strategize results.
• Represent Operations in project design, delivery, and commissioning of capital schemes.
• Drive cost-of-treatment improvements through process optimisation.
• Coordinate cross-team inputs to deliver complex outputs.
• Provide technical training and key process safety roles.
• Participate in out-of-hours rota for event scenarios.

Skills

Wastewater processes

Regulation knowledge

Fault finding

Process improvements

Data handling

Time management

UK driving licence

Team leadership

Communication skills

Education

BSc/MSc in science/engineering

Job description

Thames Water is seeking a Principal Process Specialist to shape and lead our environmental compliance across wastewater treatment works in the South London area. You’ll bring senior wastewater knowledge and regulatory experience to address complex escalations and drive improvements across multiple sites.

As the most senior technical role in process compliance, you will coach and mentor teams, lead root cause analyses, and coordinate input from cross-functional groups to deliver high-quality,