Senior Mechanical Engineer

Mott MacDonald; Newport; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading engineering firm is seeking a Senior Mechanical Engineer to lead and coordinate the mechanical design of water and wastewater projects across the UK. The ideal candidate will possess a degree in Mechanical Engineering and relevant chartered status, with strong problem-solving and communication skills. Join us to make a significant impact on environmental projects while fostering a collaborative team culture.

Benefits

Competitive salary

Pension matched by employer up to 7%

Life assurance and medical insurance

Maternity and paternity leave enhancements

Gym membership discounts

Qualifications

• Degree in Mechanical Engineering or a related field required.
• Chartered or incorporated member of a professional institution (e.g. ICE, IMechE) or equivalent experience.
• Valid driving license and willingness to travel to sites.

Responsibilities

• Lead the mechanical design of water and wastewater infrastructure projects.
• Coordinate with project teams to ensure designs meet specifications.
• Engage positively with clients and manage relationships.

Skills

Effective communication

Problem solving

Education

Degree in Mechanical Engineering

Chartered or incorporated membership

Job description

About the Role

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.

Key Responsibilities

• Lead the mechanical design of water and wastewater infrastructure and non‑infrastructure projects through the outline and detailed design, construction, commissioning, and handover, including P&IDs, valve schedules, pump calculations, safe access and lifting arrangements, and above‑ground pipework layouts.
• Coordinate with the project team comprising Electrical, Civil, Geotech and Process designers to ensure designs are completed on programme, within budget, and to the quality defined by framework specifications.
• Work 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 support them in achieving their aims.
• Support the development of the mechanical engineering team, coaching and mentoring engineers to develop their skill set and identifying the correct resource for the projects.

Qualifications and Requirements

• 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.
• Valid driving licence and willingness to travel to sites across your operational region.

What We Offer

• Competitive salary commensurate with experience.
• Pension matched by employer up to 7%.
• Option to purchase, sell and carry over annual leave.
• Life assurance, private medical insurance, critical illness insurance and health screening options.
• 26 weeks maternity leave, enhanced paternity and adoption leave, shared parental leave.
• Payment of annual professional institution subscription costs.
• Gym membership discounts UK‑wide.
• Cycle‑to‑work scheme, interest‑free season ticket loans, and discounted dining cards.

We are committed to building a diverse workplace where everyone feels included, has the opportunity to thrive, and is treated with respect.