Senior Mechanical Engineer
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.
About OCU Group
At OCU, we don’t just deliver infrastructure, we engineer the future. As a leader in end\-to\-end solutions for the utilities, digital and energy sectors, we specialise in safely and efficiently tackling complex challenges for our clients. With unrivalled expertise, industry\-leading technology and a proven track record, we’re not simply part of the market, we’re driving it forward.
Our work underpins the critical services communities across the UK rely on every day. From accelerating the transition to renewable energy to building the digital networks of tomorrow, we are committed to innovation, sustainability, and long\-term impact.
When you join OCU, you’ll discover more than a career, you’ll find purpose. Here, your contribution makes a visible difference in the success of the projects you help deliver, in the growth of your colleagues and in the positive change we create together.
We partner with some of the UK’s most recognised names in power, energy transition, water, telecoms and digital infrastructure. As we continue to expand, we’re looking for exceptional people to grow with us.
If you’re ready to inspire, innovate and lead with purpose, we’d love to hear from you.
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 recruitment@ocugroup.com.
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