Principal Mechanical Engineer - Design
Confirmed on the employer's own hiring board on Nov 1, 2026. First seen by Alion on Oct 30, 2026. Avove scores B on the Alion truth index.
Due to continued growth across our United Utilities framework, Avove is seeking a Senior Principal Mechanical Engineer to join our growing Design team.
You'll lead the delivery of mechanical design solutions across a range of clean water and wastewater projects, providing technical leadership throughout the project lifecycle. Working within multidisciplinary teams, you'll develop innovative solutions for pumping stations, treatment works, screening systems, chemical dosing, and sludge treatment facilities, ensuring successful project delivery from concept through to construction. This is an excellent opportunity to play a key role in delivering critical water infrastructure projects across the Northwest.
What will your day look like…
Lead the delivery of innovative, cost-effective mechanical design solutions.
Manage projects through feasibility, outline, and detailed design stages.
Provide technical leadership, including reviewing and approving designs, calculations, and reports.
Collaborate with clients, stakeholders, and construction teams to ensure successful project delivery.
Mentor and develop engineers and technicians within a multidisciplinary team.
Support bid preparation, project planning, resource management, and budget control.
Ensure compliance with health, safety, environmental, and industry regulations.
About you…
Proven experience producing and reviewing mechanical designs for complex process plant.
Strong knowledge of clean water and wastewater treatment processes.
Ability to develop practical, innovative engineering solutions.
Experience managing multiple projects and delivering designs from concept to construction.
Excellent communication skills and a collaborative approach to multidisciplinary working.
Full UK driving licence and willingness to travel as required.
This role is not eligible for sponsorship under the Skilled Worker Visa process. Applicants must therefore have, and maintain, an alternative right to work for the duration of employment.
What’s in it for you…
25 days holiday plus bank holidays
Company Car/Allowance
Company pension scheme
Life assurance
Private Medical Cover
Avove Discount Scheme
Family friendly policies
A selection of lifestyle benefit options
Financial wellbeing programme
Employee assistance program for health and wellbeing and onsite mental health first aiders to support our colleagues
We love to give back so we offer you volunteering days in your community and charity matched giving where we will boost your fundraising.
About Avove...
Avove is a leading infrastructure services provider, delivering critical utility and energy solutions across the UK. With a strong focus on safety, sustainability, and innovation, we specialise in the design, maintenance, and renewal of essential infrastructure for water, energy, and telecoms networks. Our people are at the heart of everything we do, and we are committed to long-term investment in training, development, and modern equipment to support our teams in delivering high-quality, reliable services for our clients and communities.
We are an equal opportunities employer...
At the heart of what we do is a commitment to equity, diversity, and inclusion. We celebrate what makes each of us unique and are building a workplace where everyone feels safe, valued, and empowered to be their authentic selves.