Senior Mechanical Engineer

Allscreens Nationwide Ltd; Sunderland; On-site; GBP 55,000 - 70,000; Full time

Benefits offered by this job

Pension contributions

Annual bonus scheme

Professional subscription costs

Flexible working arrangements

Job summary

Mott MacDonald Bentley in Sunderland is seeking a Senior Mechanical Engineer to lead the mechanical design of water and wastewater projects across the UK North East region. You will coordinate with Electrical, Civil, Geotech and Process designers to deliver designs on programme and budget, ensuring quality and safety throughout lifecycle.

You’ll be responsible for mentoring engineers, developing practical solutions, and engaging clients with a collaborative, one-team approach to achieve project

Qualifications

• Degree in Mechanical Engineering.
• Chartered or Incorporated status preferred.
• Strong communication and problem-solving abilities.
• Willingness to travel to sites across the region.

Responsibilities

• Lead the mechanical design of water and wastewater infrastructure and related projects through all design stages.
• Coordinate with Electrical, Civil, Geotech and Process designers to meet programme and budget.
• Develop practical, safe solutions with commercial, operational and construction teams.
• Engage with clients and maintain a one-team approach to project aims.
• Support development of the mechanical engineering team and mentors engineers.

Skills

Degree in Mechanical Engineering

Chartered/Incorporated Engineer

Communication skills

Problem solving

Driving licence

Education

Degree in Mechanical Engineering

Chartered status with ICE/IMechE

Job description

Senior Mechanical Engineer

Company: Mott MacDonald Salary: Not specified Hours: Full-time Location: Sunderland, DH4 5RA Job type: Permanent Posting date: 20 Jul 2026 Closing date: 19 Aug 2026

This is a Mott MacDonald Bentley role, employed by Mott MacDonald.Mott MacDonald Bentley is a joint venture business, established in 1999 between civil engineering contractor JN Bentley and global management consultancy, Mott MacDonald.

Mott MacDonald Bentley offers fully integrated design and build services to its clients, combining the contracting expertise of JN Bentley and the design specialisms of Mott MacDonald.

This role is employed by Mott MacDonald but will involve working across the joint venture business, both with Mott MacDonald and JN Bentley colleagues.

About Mott MacDonaldMott MacDonald is a global engineering, management and development consultancy.

Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming our clients’ businesses, our communities and employee opportunities.

A fundamental part of this is respecting each person’s differences and striving to meet their needs.Our values: progress, respect, integrity, drive, excellence.

We believe that because we care about what we do, we do things better.We know that our people are our most valuable asset, so we are dedicated to investing in them, through our comprehensive training and development schemes, exposure to the wider design and build business and endless opportunities.

We are committed to creating a workplace where our people are safe, have a voice, can reach their full potential, and everyone shares in the rewards.

You’ll have the opportunity to contribute to projects that benefit our communities – from helping to secure water supplies for future generations to protecting homes and businesses from flood risk – our projects make a real difference.

Diversity, Equity & Inclusion

A Mott MacDonald Bentley we welcome applications from all sectors of the community. We are dedicated to building a diverse workplace where everyone feels included, has the opportunity to thrive, and is treated with respect.

Even if you don’t meet every requirement for this role but are excited about the opportunity, we encourage you to apply. Find out more about our approach to Diversity, Equity & Inclusion here:https://www.mottmacbentley.co.uk/people.

We are committed to ensuring that our recruitment practices are barrier-free and as inclusive as possible. This includes making adjustments during the job application process and throughout your future career with us. Please call 01756 691572 or [e-mail] discuss any such adjustments that we can make. You can read more about our Equal Opportunities Policy here:Equality, diversity and inclusion

Proud member of the Disability Confident employer scheme

Agile working

Agile workingWe are committed to providing a flexible and agile working environment that supports both our employees and the needs of the business.

*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 joined a new partnershipin Northumbrian Water’s new Living Water Enterprise, an innovative vehicle developed to deliver large scale constructionprogrammesin AMP8 and beyond, supporting a £3.6bn workload.

Northumbrian Water supplies water and sewerage services to just under 4.4 million people and has worked closely with MMB and JN Bentley since 2001.In this time, the companies have delivered hundreds of engineering and construction projects together. This new contract will extend the relationship to at least 2030 and see MMB – which harnesses the contracting strength of JN Bentley and the design specialisms of Mott MacDonald

- undertake treatment projects across theNorth East.

As aSeniorMechanicalEngineeryou will contribute to projects that significantlyimpactour 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’llwork 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 teamcomprisingof Electrical, Civil, Geotech and Process designers and ensure designs are completed onprogramme, within budget, and to the quality defined by framework specifications
• Working closely and collaboratively with the commercial, operational and construction teams to develop efficient,practicaland 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 andidentifyingthe correct resource for the projects

Whatyou’llneed:

• Degree in Mechanical Engineering, or related field
• Chartered or incorporated member of professional institutione.gICE, IMechE,etc,orequivalentexperience
• 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

• 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 paidadditionaldays 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.

Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as 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.