Principal Mechanical Engineer

Mott MacDonald

Bristol

On-site

GBP 90,000 - 130,000

Full time

14 days+

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Benefits offered by this job

Employee pension contributions match
Annual bonus schemes
33+ days holiday per year
Life Assurance
Private Medical Insurance
Flexible working arrangements
Enhanced family leave policies
Mentoring and tailored training opportunities

Job summary

A leading engineering consultancy is seeking a Principal Mechanical Engineer in Bristol. This role necessitates a Chartered Mechanical Engineer with expertise in water and wastewater projects. Responsibilities include leading design, mentoring engineers, and collaborating with various engineering teams to ensure successful project delivery. The ideal candidate will possess strong leadership, communication skills, and a degree in Mechanical Engineering. Competitive benefits, including flexible working and comprehensive insurance, are offered for the right candidate.

Qualifications

  • Chartered Mechanical Engineer or above.
  • Degree in Mechanical Engineering or related field.
  • Strong knowledge of the water and/or wastewater industry.
  • Strong knowledge of mechanical engineering principles, practices, and standards in process industries.
  • Excellent communication, leadership, and problem-solving skills.
  • Proven ability to manage multiple design tasks and meet deadlines.

Responsibilities

  • Lead and oversee the design, planning, and execution of mechanical engineering aspects.
  • Provide technical expertise and guidance to mechanical engineers and project teams.
  • Mentor junior engineers and team members.
  • Lead mechanical design of water and wastewater infrastructure projects.
  • Coordinate with Electrical, Civil, Geotechnical, and Process engineering teams.
  • Develop efficient, practical, and safe solutions throughout design and construction stages.
  • Collaborate with commercial, operational, and construction teams to develop efficient, practical, and safe solutions throughout design and construction stages.
  • Positively engage with the client, managing relationships and adopting a one-team approach to support them in achieving their aims.

Skills

Leadership
Communication
Problem-solving
Mechanical engineering principles
Knowledge of water/wastewater industry

Education

Degree in Mechanical Engineering or related field
Chartered Mechanical Engineer or above

Job description

Principal Mechanical Engineer

Join to apply for the Principal Mechanical Engineer role at Mott MacDonald.

Overview

Mott MacDonald Bentley is a joint venture business focused on delivering water and wastewater projects across the UK. As a Principal Mechanical Engineer you will contribute to projects that significantly impact our environment and communities, focusing on the feasibility, design, construction, and commissioning of water and wastewater infrastructure.

Responsibilities
  • Lead and oversee the design, planning, and execution of the mechanical engineering aspects of our projects.
  • Provide technical expertise and guidance to our mechanical engineers and project teams, developing knowledge and excellence within the team.
  • Mentor and develop junior engineers and team members.
  • Lead the mechanical design of water and wastewater infrastructure projects, including P&IDs, valve schedules, pumps, tanks, process equipment, above‑ground pipework, and lifting and access steelwork.
  • Coordinate with Electrical, Civil, Geotechnical, and Process engineering teams.
  • Work closely with project teams to apply client asset standards and engage in technical discussions on best practice and standards waivers.
  • Collaborate with commercial, operational, and construction teams to develop efficient, practical, and safe solutions throughout design and construction stages.
  • Positively engage with the client, managing relationships and adopting a one‑team approach to support them in achieving their aims.
Qualifications
  • Chartered Mechanical Engineer or above.
  • Degree in Mechanical Engineering or related field.
  • Strong knowledge of the water and/or wastewater industry.
  • Strong knowledge of mechanical engineering principles, practices, and standards in process industries.
  • Excellent communication, leadership, and problem‑solving skills.
  • Proven ability to manage multiple design tasks and meet deadlines.
Benefits
  • MMB match employee pension contributions between 4.5% and 7%.
  • Annual bonus schemes and payment of professional institution subscription costs.
  • Minimum 33 days holiday per year, with options to buy, sell, or carry over through our flexible benefits programme.
  • Life Assurance, Private Medical Insurance, Critical Illness Insurance and health screening options.
  • Flexible working arrangements and support for responsibilities beyond the workplace.
  • Advanced Employee Networks supporting LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
  • Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, two weeks paid paternity/partner leave, and shared parental leave options.
  • Up to two paid additional days leave for those with significant caring responsibilities.
  • Structured development schemes, fast‑tracked chartership reviews, mentoring, and tailored training opportunities.
Other Information

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

Location: Bristol, GB

Contract Type: Permanent

Work Pattern: Full Time

Job Ref: 12724

Diversity, Equity & Inclusion

We welcome applications from all sectors of the community and are committed to building a diverse workplace where everyone feels included and treated with respect.

Application

To apply, contact laure.hutchinson@jnbentley.co.uk.

We do not offer sponsorship for the Skilled Worker visa, but welcome candidates with alternative immigration routes.

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