Mechanical Design Engineer jobs in United Kingdom

Are you an experienced Mechanical Engineer looking to make a real impact? Do you thrive in a collaborative, forward-thinking environment where innovation, sustainability, and digital transformation lead the way?

The @one Alliance is a unique collaboration between Anglian Water and seven key partners: Balfour Beatty, Barhale, Binnies, MMB, MWH Treatment, Skanska, and SWECO. Together, we’re gearing up for AMP8—our most ambitious and innovative asset management period yet.

We are pioneering nature-based solutions and cutting-edge infrastructure, setting new benchmarks in sustainable water engineering. As we grow, we’re building teams where people thrive, grow, and develop long-term careers.

As our Senior Mechanical Engineer, you’ll be at the forefront of designing and delivering innovative water solutions. You’ll lead technical delivery, drive sustainable and cost-effective design decisions, and guide junior engineers to ensure work is safe, future-proof, and durable.

1. Lead and review mechanical designs to ensure compliance, safety, and performance excellence.
2. Collaborate with stakeholders to deliver projects on time, within budget, and to high-quality standards.
3. Promote the use of digital tools and modular construction techniques.
4. Drive Health & Safety by design, identifying improvements and reducing whole-life costs.
5. Champion sustainability, carbon reduction, and innovation throughout the design lifecycle.
6. Mentor junior engineers and foster a culture of technical excellence and continuous learning.
7. Work closely with project and engineering leaders, contributing to strategic decisions.

1. A degree in Mechanical Engineering or related discipline.
2. Preferably chartered, or working towards chartered status.
3. Proven experience in mechanical design, ideally in the water sector or similar complex infrastructure environments.
4. Strong understanding of industry standards, health and safety legislation, and construction principles.
5. Leadership experience with a passion for coaching, mentoring, and developing others.
6. Proficiency in CAD and engineering software.
7. Decisive, collaborative, and with strong communication skills.

We’re committed to helping secure water for future generations. Joining us means:

• Real career progression within a supportive, people-first culture.
• A purpose-driven role focused on environmental sustainability.
• A flexible, inclusive working environment.
• Access to cutting-edge tools, technology, and training.

As a Gold Investors in People company and a Sunday Times 100 Best Company to Work For, we invest in our people. We support your well-being and career aspirations through:

• Competitive salary and benefits.
• Company pension, life assurance, private medical cover.
• Profit share scheme, generous leave, and volunteering days.
• Employee assistance programme, flexible benefits, and company car schemes.
• Leadership, management training, and career development opportunities.
• Flexible working arrangements and regular engagement and appraisal processes.

Interested candidates should send their CV to: careers@barhale.co.uk