Senior Mechanical Engineer

Senior Mechanical Engineer

Department: Water

Employment Type: Permanent – Full Time

Location: East London

Reporting To: Chris Furniss

Description

Join our dynamic multidisciplinary water & wastewater team and lead innovative projects across the UK and worldwide. We are seeking a Senior Mechanical Engineer who thrives in collaborative environments, enjoys solving complex technical challenges, and is passionate about delivering high-quality, sustainable engineering solutions for water and wastewater infrastructure.

About the job

As a Senior Mechanical Engineer, you will:

• Collaborate with multidisciplinary teams across the UK and internationally to deliver successful water and wastewater projects.
• Lead and contribute to projects, ensuring delivery on time, on budget, and in line with OCU business governance.
• Provide expert guidance on engineering design deliverables, including calculations, drawings, and technical reports, following relevant codes and Purestream design standards.
• Ensure quality and safe design of technical solutions in accordance with UK and international standards.
• Communicate technical solutions clearly to clients, contractors, and colleagues through presentations, workshops, and safety reviews (including HAZOPs and ALMs).
• Engage with clients and construction teams on Design & Build projects to provide practical, innovative mechanical solutions.
• Assess existing water and wastewater infrastructure to develop mechanical designs for new and upgrade projects.
• Support compliance with CDM regulations, producing design and environmental risk assessments where required.

Skills, Knowledge and Expertise

Essential

• Degree in Mechanical Engineering or equivalent; Chartered or Incorporated Engineer (IMechE or equivalent) or near completion.
• Hands-on experience in water and/or wastewater engineering design, including design & build projects in the UK.
• Strong technical knowledge of water sector infrastructure, WIMES, UK codes, and asset standards.
• Experience collaborating with contractors to implement engineering solutions effectively.
• Excellent interpersonal, verbal, and written communication skills; able to work independently and within multidisciplinary teams.
• Highly motivated, organised, and committed to delivering technical excellence.
• Flexible and willing to travel to project sites or client offices when required.

• Specialist knowledge in water or wastewater process mechanical systems.
• Experience in leading HAZOPs, ALMs, or similar safety and technical review workshops.
• Exposure to international projects and multidisciplinary collaborations.
• Experience in mentoring junior engineers or leading small technical teams.

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