Principal Process Engineer

Advance TRS; Greater Manchester; Hybrid; GBP 60,000 - 70,000; Full time

Job summary

Advance TRS is seeking an experienced Principal Process Engineer to join its water sector team in Manchester. The role blends technical leadership with hands-on delivery of high-quality water and wastewater treatment solutions, offering scope for impact and progression in a growing design practice.

The successful candidate will lead complex projects, mentor junior engineers, and ensure compliance with industry standards, while working on a hybrid model with 2-3 days in the office.

Qualifications

• 10+ years of process design experience in the water sector.
• Chartered Engineer status or equivalent professional registration.
• Strong knowledge of wastewater treatment processes and delivery of projects.

Responsibilities

• Produce safe, high-quality process design deliverables.
• Lead design work informed by site visits and scopes.
• Mentor junior engineers and designers.
• Prepare design risk assessments, reports and specs.
• Carry out mass balance, sizing and hydraulic calculations.
• Develop PFDs, control philosophies and commissioning strategies.
• Ensure compliance with technical standards.
• Estimate hours and manage design changes.
• Present designs at HAZOP, ALM and similar reviews.

Skills

10+ years experience in process design

Chartered Engineer

Wastewater treatment expertise

Degree or HND in engineering

IT and presentation skills

Strong communication skills

Education

Degree, HND or equivalent

Job description

Principal Process Engineer - Water Sector

Manchester - Hybrid (2-3 days in the office)

Contract or Permanent

£60-70k

Advance TRS is supporting a growing specialist design and engineering team and is seeking an experienced Principal Process Engineer to play a key role in delivering innovative, high-quality water and wastewater treatment solutions. If you enjoy complex technical challenges and leading design excellence, this role offers real impact and progression.

What you'll be doing

• Produce safe, high-quality and compliant process design deliverables
• Develop efficient design solutions informed by scopes and site visits
• Lead, mentor and support junior engineers and designers
• Prepare design risk assessments, technical reports and specifications
• Carry out mass balance, process sizing and hydraulic calculations
• Develop PFDs, control philosophies and commissioning strategies
• Ensure design compliance with relevant technical and industry standards
• Estimate hours for design packages and manage design change control
• Present designs at HAZOP, ALM, KM and similar technical reviews

What you'll bring

• 10+ years' relevant process design experience within the regulated water industry
• Chartered Engineer status
• Strong understanding of wastewater treatment processes and proven delivery experience
• Degree, HND or equivalent technical background
• Confident IT and technical presentation skills

Bonus points for

• Experience across both clean and wastewater treatment
• Experience of HAZOP studies (ideally as Chair)
• Full driving licence and access to a vehicle

You’ll excel if you are

• A strong technical thinker and problem-solver
• An effective communicator across all levels
• Results-focused with a commitment to quality
• Passionate about developing both yourself and others

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status