Principal Water Process Engineer – Hybrid, Lead Water Projects

Thames Water Ltd; Reading; Hybrid; GBP 81,000 - 99,000; Full time

Benefits offered by this job

Salary up to £90,000 per year

Generous pension scheme

Private medical health care

Cycle to work scheme

Wellbeing programs

Job summary

Thames Water Ltd. is seeking a Principal Process Engineer to lead design and technical assurance across diverse water treatment projects. The role focuses on delivering complex solutions while guiding operational teams and project delivery programs.

You will mentor engineers, ensure regulatory compliance, and act as a key technical authority through lifecycle stages to commissioning. A Chartered Engineer or progressing towards chartership is expected.

Qualifications

• Significant process engineering experience within the water sector.
• Proven track record of leading complex engineering projects and providing technical leadership.
• Experience managing, mentoring and developing engineering teams.
• Excellent communication and stakeholder management skills, with the ability to influence at all levels.
• Chartered Engineer status, or clear progression towards chartership.

Responsibilities

• Leading the design and technical assurance of complex water engineering schemes.
• Providing expert process engineering support to operational teams and project delivery programmes.
• Ensuring compliance with regulatory requirements, industry standards, and Thames Water asset standards.
• Acting as a key technical authority, approving designs and providing assurance throughout project lifecycles through to commissioning and handover.
• Mentoring and developing a team of engineers, creating a high-performing and collaborative engineering culture.
• Managing and reviewing engineering design partner outputs to ensure technical excellence and value.
• Supporting complex incident investigations and driving process improvements and corrective actions.
• Influencing and continuously improving technical standards, best practices and engineering guidance.
• Working with multi-disciplinary teams to develop innovative, sustainable and resilient engineering solutions.
• Supporting the evaluation and implementation of emerging technologies that will help transform our business and customer outcomes.

Skills

Process engineering

Water treatment

Technical leadership

Mentoring

Stakeholder management

Regulatory awareness

Education

Process Engineering degree

Chartered Engineer status

Job description

Thames Water Ltd. is seeking a Principal Process Engineer to lead design and technical assurance across diverse water treatment projects. The role focuses on delivering complex solutions while guiding operational teams and project delivery programs.

You will mentor engineers, ensure regulatory compliance, and act as a key technical authority through lifecycle stages to commissioning. A Chartered Engineer or progressing towards chartership is expected.