Senior Mechanical Engineer

JN Bentley; Manchester; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Pension contributions 4.5–7%

Annual bonus scheme

Professional subscription coverage

Flexible benefits programme

Job summary

Mott MacDonald Bentley is seeking a Senior Mechanical Engineer to lead the mechanical design of water and wastewater infrastructure. You will work on projects across the lifecycle, from concept to commissioning, ensuring safe, efficient, and compliant solutions.

You will collaborate with Electrical, Civil, Geotech and Process designers, coach engineers, and travel to sites within the UK. Chartered status or equivalent is preferred, with a commitment to professional development and chartership.

Qualifications

• Degree in Mechanical Engineering or related field.
• Chartered or incorporated member of a professional institution e.g. ICE, IMechE, or equivalent experience.
• 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.
• Water/wastewater experience required.

Responsibilities

• Lead the mechanical design of water and wastewater infrastructure and related projects through all design stages.
• Coordinate with multi-disciplinary design teams to deliver on programme and within budget.
• Collaborate with commercial, operational and construction teams to develop safe, efficient solutions.
• Engage with clients to manage relationships and support project aims.
• Mentor and develop junior engineers within the mechanical engineering team.

Skills

Communication

Problem solving

Driving licence

Education

Degree in Mechanical Engineering

Job description

Internal applicants are welcome.

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 £500 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.

We have been named a partner on a new AMP8 framework with United Utilities, which will extend our relationship for at least the next five years. The partnership is set to be responsible for over £3 bn of major infrastructure in the North West of England. Investment includes upgrades to wastewater treatment works and reducing storm overflows through the delivery of the largest spill reduction programme in the UK, protecting more than 500 km of rivers and bathing waters.

As a Senior 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 Senior Mechanical Engineer Includes

• Lead 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.
• Supporting the development of the mechanical engineering team, coaching and mentoring engineers to develop their skill set and identifying the correct resource for the projects.

What You’ll Need

• Degree in Mechanical Engineering, or related field.
• Chartered or incorporated member of professional institution e.g. ICE, IMechE, or equivalent experience.
• 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.
• Water/wastewater experience required.

What’s in it for you

Financial wellbeing

• MMB matches 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

• Enhanced family 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 toward chartership reviews and benefit from mentorship, hands‑on experience, and tailored training opportunities.

Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.