Senior Mechanical Engineer

Department: Water

Location: Bridgend

Description Bridgend, Wales | Permanent | Full-Time | Office/Site based

Remuneration for this role is benchmarked competitively within our sector.

The Opportunity 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.

What You'll Do 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.

Essential What You'll Bring

• 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.

Desirable

• 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.

What We Offer At OCU, we believe that meaningful work should come with meaningful support. That's the principle behind Careers with Purpose, our commitment to ensuring every person at OCU feels supported, developed, and valued, not just in their role today, but throughout their career with us.

Alongside the opportunity to work on some of the UK's most significant infrastructure projects, we offer a benefits package that we are continuing to develop as we grow, and the kind of career acceleration that only comes from being inside a business moving at this pace.

As a rapidly growing organisation, there are genuine opportunities to progress, broaden your experience, and build a long-term career within OCU Group.

To ensure that everyone has a fair opportunity to join our team, please inform us if you require any reasonable adjustments to our recruitment and interview process is, by emailing [email protected].