Mechanical Engineer

Edinburgh, United Kingdom / Glasgow, United Kingdom Mott MacDonald Bentley is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley to deliver award winning projects. With an annual turnover surpassing £600 million, Mott Macdonald Bentley cements its position as a leader within the industry. The sustained, robust business performance creates an ideal environment for career growth. As part of our appointment to Scottish Water’s new Enterprise, we will deliver projects at sites across Scotland. Works will include major upgrades to treatment assets, new and enhanced networks, and resilience schemes that will benefit communities across the country.

Over successive regulatory periods, MMB has delivered a wide range of complex water and wastewater projects that directly support SR27 priorities, including:

• Enhancing resilience and service reliability through treatment works upgrades, network improvements and resilience schemes
• Supporting net zero and climate adaptation via low carbon design, nature based solutions and environmental compliance projects
• Enabling sustainable growth by delivering infrastructure that supports new development and protects existing communities
• Driving efficiency and affordability through integrated delivery, innovation and collaborative planning
• Maintaining a strong focus on customers, communities and safety across everything we do

As a Mechanical Engineer you will contribute to projects that significantly impact our environment and communities. Working primarily in the UK water market, MMB provides the feasibility, design, construction, and commissioning services needed to keep water flowing and wastewater treated. You’ll work on projects that make a real difference to our environment and our communities by enhancing the efficiency and effectiveness of water and wastewater treatment systems. You will play a pivotal role in shaping the mechanical functions throughout the lifecycle of various projects. From concept design to commissioning, you will ensure that all mechanical aspects are meticulously considered and integrated.

The role of a Mechanical Engineer includes:

• Develop the mechanical design of water and wastewater infrastructure and non-infrastructure projects through the outline and detailed design, construction, commissioning, and handover, including, but not limited to, P&IDs, valve schedules, pump calculations, defining safe access and lifting arrangements, above ground pipework layouts, etc.
• Coordinate with the project team comprising of Electrical, Civil, Geotech and Process designers and ensure designs are completed on programme, within budget, and to the quality defined by framework specifications.
• Working closely and collaboratively with the commercial, operational and construction teams to develop efficient, practical and safe solutions throughout design stages, construction and beyond
• Positively engage with the client, managing relationships and adopting a one-team approach to supporting them in achieving their aims.

What you’ll need:

• Degree in Mechanical Engineering, or related field
• Working towards Chartership IEng / CEng with a relevant Engineering Institution
• Ability to communicate effectively with team members and stakeholders
• Methodical approach to problem solving
• A valid driving licence and willingness to travel to sites across your operational region

What’s in it for you:

• Financial wellbeing: MMB match employee pension contributions between 4.5% and 7%. As an independently owned business we share the financial success of the business with all our colleagues including our annual bonus schemes. Payment of annual professional institution subscription costs.
• Health and wellbeing: A minimum of 33 days holiday each year, inclusive of public holidays, with the ability to buy, sell or carry over annual leave through our flexible benefits programme. Access to Life Assurance / Private Medical Insurance / Critical Illness Insurance and Health Screening options. We are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace. Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities. Enhanced family and carers leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave plus the option for shared parental leave. Up to 2 paid additional days leave are provided for those with significant caring responsibilities.
• Learning and development: MMB are committed to empowering our people to grow professionally and thrive in their careers. We offer structured development schemes that support your journey toward professional chartership. From day one, employees are fast-tracked towards chartership reviews and benefit from mentorship, hands‑on experience, and tailored training opportunities.