Senior Mechanical Engineer

BCS Group; Peterborough; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading engineering firm in the UK is seeking a Senior Mechanical Engineer. This role involves designing innovative water solutions and mentoring junior engineers. The ideal candidate will have a degree in Mechanical Engineering, experience in mechanical design, and strong leadership skills. Join a collaborative, forward-thinking environment that promotes sustainability and career development.

Benefits

Competitive salary

Company Pension

Private Medical

Employee Assistance Programme

Leadership training and coaching

Flexible benefits

Qualifications

• Proven experience in mechanical design—ideally in the water sector or complex infrastructure.
• Understanding of industry standards, health and safety legislation.
• Experience mentoring and developing junior engineers.

Responsibilities

• Lead mechanical designs ensuring compliance and performance excellence.
• Collaborate with stakeholders for project delivery on time and budget.
• Promote digital tools and modular construction techniques.

Skills

Mechanical design

Leadership

Collaboration

Proficiency in CAD

Communication skills

Education

Degree in Mechanical Engineering or related discipline

Tools

CAD software

Engineering software

Job description

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.

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

What you will be doing as our new Senior Mechanical Engineer

As our new 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 deliver work that’s safe, future‑proof, and built to last.

Key Responsibilities

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

What you’ll bring

• A degree in Mechanical Engineering (or related discipline).
• Preferably chartered, or working towards chartered status.
• Proven experience in mechanical design—ideally in the water sector or a similar complex infrastructure environment.
• Strong understanding of industry standards, health and safety legislation, and construction principles.
• Leadership experience with a passion for coaching, mentoring and developing others.
• Proficiency in CAD and engineering software.
• Confident decision‑maker, with a collaborative mindset and strong communication skills.

About you

We’re not just delivering capital projects—we’re helping to secure water for future generations. When you join us, you’ll find:

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

Caring and investing in you

Our values have been embedded at Barhale for over 40 years, and they are our guiding principles regarding how we care and invest in people. Our values are our commitment to being a people‑centric company.

As a Gold Investors in People company and a Sunday Times 100 Best Company to Work For, we are committed to investing in people. We are passionate about creating a working environment where people are supported throughout their careers, where people can enjoy security and be part of a company that cares about them.

From the moment you join us, your well‑being and career aspirations will be supported by…

• Competitive salary
• Company Pension
• Life Assurance
• Private Medical
• Profit share scheme
• 25 days of annual leave in addition to 8 public bank holidays and loyalty days
• 8 hours leave of absence for volunteering
• Employee Assistance Programme to support your mental, physiological and financial wellbeing
• Flexible benefits via salary sacrifice
• Company car/green car scheme/car allowance/Van (dependent on position)
• Leadership & management training and coaching
• Regular line management engagement and appraisal to support your career progression
• Development supported by internal and externally delivered training
• Continuous service awards