Location
Hybrid - Hogsmill (STW), Hybrid - Mogden (STW) - TW7 7LW, Hybrid - Beddington, Isleworth, London

Hours
36 Hours per week (Monday – Friday) plus participation in a standby rota with additional payment

Salary
From £60,000 per annum, depending on skills and experience

About the Role
Are you a wastewater treatment technical lead? We are seeking a subject matter expert to shape and lead our environmental compliance across sewage treatment works in the South London area. As the most senior technical position in process compliance, Principal Process Specialists provide expert wastewater knowledge to achieve regulatory requirements. This role blends process science, engineering, operations, and regulation to address escalations and complex matters.
You will provide a strategic outlook on regional compliance performance and horizon scanning for future risks. Acting as a coach, mentor, and leader, you will promote continuous improvement and drive quality, assurance, and consistency. The role embodies a compliance-driven culture focused on improving environmental performance.

Key Responsibilities:
- Serve as a subject matter expert in wastewater treatment and regulation, using extensive operational experience to solve problems across multiple sites and process streams.
- Analyze wastewater treatment KPIs, report findings, and strategize on results.
- Maintain comprehensive understanding of permitting requirements and generate innovative solutions to resolve non-compliances.
- Represent Operations teams in project design, delivery, and commissioning of capital schemes, including confident handling of calculations.
- Optimize site processes to reduce cost-of-treatment with a holistic cost-benefit approach.
- Lead efforts to reduce flow-related compliance issues, including storm discharges.
- Undertake technical training and hold key process safety roles.
- Stay proactive in learning about new wastewater technologies and share knowledge.
- Lead, coach, and mentor colleagues to drive knowledge sharing, upskilling, and improved competency.
- Provide thought leadership, promote proactive problem-solving, and engage colleagues with novel solutions.
- Confidently present and communicate to diverse audiences.
- Produce root cause analyses, peer review others’ work, and share lessons learned.
- Participate in out-of-hours rota, offering advice during event scenarios.
- Manage a sub-team of Process Specialists as an organised, empathetic, and supportive leader.
- Coordinate input across multiple teams and departments to deliver complex outputs.
- Spearhead development of wastewater learning materials, asset standards, and project scopes.

This role offers a unique opportunity to influence environmental compliance and operational excellence within a leading water company.

Experience
- Significant experience working with wastewater processes, regulation, and pollution investigations.
- Proven track record in fault finding, process improvements, and delivering change.
- Experience managing and leading technical teams, including coaching and mentoring.
- Strong data handling, processing, reporting skills, and adaptability to IT systems.
- Confident in technical discussions and able to communicate complex information to non-technical audiences.

About You
- Curious, self-driven, motivated, and a true self-starter.
- Excellent time management and organisational skills.
- Empathetic and supportive leader capable of driving continuous improvement.
- Holds a full UK driving licence with access to transport and business-use insurance (car allowance provided).

Qualifications
- BSc/MSc in science or engineering is highly advantageous but not mandatory.