Senior Process Engineer - Water & Wastewater Design Lead

Mott MacDonald; North East; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Pension match

Annual bonus

Professional subscription coverage

Flexible working

Life insurance

Private medical

Job summary

Mott MacDonald Bentley (MMB) is the design and build unit of global engineering consultancy Mott MacDonald. We are seeking a Senior Process Engineer to lead process design for water and wastewater projects across a major programme for Northumbrian Water, working with multi‑disciplinary teams.

You will develop process design deliverables, mentor engineers, and help manage risks and opportunities throughout design, construction and handover.

Qualifications

• Degree in Chemical or Process 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 problem solving approach.
• Valid driving licence and willingness to travel to sites across the region.
• Experience with water and/or wastewater unit processes and wastewater project design.
• HAZOP experience is advantageous.
• Strong clean water non‑infrastructure experience.

Responsibilities

• Lead the development of process design deliverables (process models, mass balances, control philosophies).
• Provide technical assurance of process designs and ensure compliance with standards and best practices.
• Identify opportunities for innovation to meet whole‑life cost and net‑zero goals.
• Collaborate with commercial, operational and construction teams to deliver practical, safe design solutions.
• Engage with the client and manage relationships to support project aims.
• Mentor engineers and help develop the process engineering team.

Skills

Process design

HAZOP

Water/wastewater

Communication

Problem solving

Travel

Chartered engineer

Education

Degree in Chemical or Process Engineering

Chartered or equivalent professional status (ICE/IMechE)

Job description

Mott MacDonald Bentley (MMB) is the design and build unit of global engineering consultancy Mott MacDonald. We are seeking a Senior Process Engineer to lead process design for water and wastewater projects across a major programme for Northumbrian Water, working with multi‑disciplinary teams.

You will develop process design deliverables, mentor engineers, and help manage risks and opportunities throughout design, construction and handover.