Senior Mechanical Engineer

Binnies; Wetherden; On-site; GBP 85,000 - 110,000; Full time

Benefits offered by this job

Private Health Insurance

Income Protection

High Street discounts

Life Assurance

Annual Leave Purchase

Cycle to Work Scheme

Discounted Gym Membership

Mental Health Support

EV Salary Sacrifice Scheme

Job summary

Binnies UK, part of the RSK Group, is seeking a Lead Mechanical Design Engineer to shape major water-sector projects across Redhill, Birmingham, Glasgow, Chester and Leeds. You will lead teams, deliver high‑quality mechanical designs, and mentor engineers while ensuring integration with civil, electrical and process disciplines.

You will manage the design lifecycle from feasibility to construction, lead tender reviews and provide on‑site input when required.

Qualifications

• Degree in Mechanical Engineering or similar.
• Experience in water, wastewater or a relevant engineering sector.
• Strong technical understanding of clean water and wastewater system design.
• Knowledge of CDM, procurement processes, and document control.
• Excellent communication, stakeholder engagement, and digital skills.
• Proactive, adaptable mindset with a drive for efficient, high‑quality engineering.

Responsibilities

• Deliver clear, high‑quality engineering outputs: calculations, reports, drawings, schedules and P&IDs.
• Drive coordination across multidisciplinary design teams for seamless mechanical integration.
• Manage interfaces across civil, electrical, process and digital design functions.
• Provide input across the design lifecycle from feasibility through construction.
• Lead tender and bid reviews and evaluate subcontractor designs.
• Offer on‑site technical input when required.
• Mentor engineers and support capability growth.
• Oversee budgets, programmes, risk, quality and delivery performance.

Skills

Leadership

Mechanical design

Cross-disciplinary coordination

Mentoring

Education

Degree in Mechanical Engineering

IEng / CEng (Desirable)

Job description

Lead Mechanical Design Engineer

Locations: Redhill ¦ Birmingham ¦ Glasgow ¦ Chester ¦ Leeds

Shape the Future of Water Engineering with Binnies UK – Part of the RSK Group

At Binnies UK, we’re not just engineering assets, we’re engineering impact. From clean water to wastewater resilience, our teams deliver Critical Human Infrastructure that supports communities today and protects the environment for tomorrow.

We’re growing our leadership capability and are looking for Lead Mechanical Design Engineers who want to influence major water-sector projects, mentor talented engineers, and deliver smart, sustainable solutions that truly matter.

If you’re driven by purpose, inspired by challenge, and ready to step into a role where your leadership shapes outcomes, we’d love to meet you.

Why Join Binnies?

Because leading here means more than delivering designs - it means shaping a better future.

Purpose. Flexibility. Reward. Progression.

• Private Health Insurance & Income Protection
• Life Assurance for peace of mind
• Annual Leave Purchase Scheme for additional time off
• Clear, supported career pathways with structured development
• Annual pay rise & performance bonus
• High Street discounts & gym membership deals
• Cycle to Work & EV Salary Sacrifice Schemes
• Mental Health & Wellbeing Support because people come first

What You’ll Lead

You will:

• Deliver clear, concise, high‑quality engineering outputs, including calculations, reports, drawings, schedules and P&IDs
• Drive coordination across multidisciplinary design teams, ensuring seamless integration of mechanical systems
• Manage interfaces across civil, electrical, process and digital design functions
• Provide critical input across the design lifecycle, from feasibility through to construction
• Lead tender and bid reviews and evaluate subcontractor designs
• Offer technical expertise on-site when required
• Mentor engineers, guide technical teams, and support capability growth
• Oversee budgets, programmes, risk, quality and delivery performance

This is a role where your leadership will shape project success.

What We’re Looking For

We’re searching for leaders who can elevate the team, support clients, and deliver excellence.

You’ll need:

• A degree in Mechanical Engineering (or similar discipline)
• Experienced in water, wastewater or a relevant engineering sector
• Strong technical understanding of clean water and wastewater system design
• Knowledge of relevant standards, CDM, procurement processes, and document control
• Excellent communication, stakeholder engagement, and digital skills
• A proactive, adaptable mindset with a drive for efficient, high‑quality engineering

Desirable

• Professional qualification (IEng / CEng MIMechE)
• Proven leadership or mentoring experience
• Commitment to innovation, continuous improvement, and career growth

About Us

We develop intelligent solutions using our award‑winning integrated planning and design approach to deliver functional infrastructure and lasting environmental and social legacies. This is backed by a culture that has stayed true since our foundation over 100 years ago. We create new possibilities for humanity through our innovative approach to delivery.

Together with our clients, we are always striving to find a smarter way to deliver projects. From providing low carbon, sustainable and resilient water solutions, flood alleviation and environment services, to connecting people with insights and data. Our business exists to improve the quality of life for our local communities today and for generations to come.

Binnies is part of the RSK Group, a leading integrated environmental, engineering, and technical services business providing dynamic, multidisciplinary services to a wide range of sectors. RSK was founded in 1989 and has grown considerably since then.

At RSK, we operate as a group of businesses that work together seamlessly, aiming for growth through diversification. Our strategy helps us build a strong and resilient business, capable of weathering external challenges, while also providing greater value to our clients and more opportunities for our employees.

Since the beginning, our philosophy has remained the same: employ, develop and reward talented individuals. People are crucial to our company, and we recognise that our success hinges on our colleagues' growth. We're committed to preserving RSK’s people-first culture, promoting innovation, and fostering a supportive and caring environment for collaboration. At RSK, we want you to be part of our successes and help you reach your career aspirations. We take pride in offering employees fulfilling and challenging careers by promoting ongoing growth and empowering individuals to excel.

We are committed to fostering an inclusive workplace that welcomes individuals from all backgrounds, experiences, and perspectives. We firmly believe that embracing and celebrating the diversity in our workforce makes us a stronger and more innovative company.

If you're passionate about making a difference, join us as we work together to build a brighter, more equitable, and sustainable future for all. Do you have what it takes?

Benefits

• Private Health Insurance
• Income Protection
• High Street Vouchers
• Life Assurance
• Annual Leave Purchase
• Cycle to Work Scheme
• Discounted Gym Membership
• Mental Health Support
• Electric Vehicle Salary Sacrifice Scheme

Sectors

Environment

We create sustainable critical infrastructure across the whole asset life cycle to meet the net zero challenge. We integrate sustainability into everything we do, utilising digital innovation to create value. We de-risk projects through collaborative engagement and holistic thinking which builds inclusive wealth for our clients, stakeholders and communities.

Water

We are engaged in every aspect of the water industry, helping clients efficiently and effectively collect, store, move and treat water and wastewater; plan and manage watersheds; harness the energy embedded in the treatment and movement of water and enhance sustainability. We incorporate leading‑edge digital transformation to create more resilient and reliable solutions using data analytics to provide powerful insights.