Principal Process Safety Consultant

Tetra Tech, Inc.; Warrington; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global consulting firm in Warrington is seeking a Principal Process Safety Consultant to lead safety projects across various high-risk industries. The role involves conducting hazard studies, developing safety management systems, and mentoring junior staff. Candidates should have a degree in engineering and strong process safety expertise. This position provides an opportunity to work with a prestigious company, offering robust training and career development.

Benefits

Accredited training programs

Career development opportunities

Flexibility and work-life balance

Qualifications

• Highly skilled in various process safety techniques.
• Self‑motivated team player with strong leadership skills.
• In-depth knowledge of relevant UK regulations.

Responsibilities

• Lead delivery of safety projects ensuring client satisfaction.
• Conduct hazard study workshops and develop safety reports.
• Mentor junior team members and manage project delivery teams.

Skills

Process safety techniques (HAZID, HAZOP, QRA, ALARP, CBA, OBRA, CFD, LOPA, COMAH safety)

Good people and leadership skills

Technical report writing

Education

Degree in Chemical Engineering, Process Engineering, Mechanical Engineering, Control or Electrical Engineering

Chartered Engineer

Job description

Principal Process Safety Consultant

CAPTION: Job details

• Posting date: 14 November 2025
• Hours: Full time
• Closing date: 14 December 2025
• Location: Warrington, Cheshire
• Remote working: On‑site only
• Company: RPS Group Limited
• Job type: Permanent
• Job reference: req7434

Summary

RPS, a Tetra Tech company is looking for a Principal Process Safety Consultant to be based at the Warrington office.

About the team

The Process Safety team forms part of our RPS Risk major accident hazard safety team of over 50 staff, providing safety advice to clients in a range of high risk and highly regulated industries.

RPS, a Tetra Tech company

In 2023 RPS joined Tetra Tech, enabling us to combine our expertise with the reach and resources of a prestigious global organisation.

We design and manage projects in urbanisation, natural resources, and sustainability. As part of Tetra Tech's over 30,000 strong team across 550 offices in over 120 countries, we deliver solutions that create lasting value in an increasingly urbanised and resource‑scarce world. By leveraging our global expertise, we enable our clients to develop winning solutions for their clients and communities.

As a Tetra Tech company, RPS is proud to provide market‑leading development and project opportunities for our people, supporting their growth while addressing the challenges that matter. Our people drive our success, and this is where you come to build a career.

Your Impact

Join RPS to make a real difference. Our work leverages cutting‑edge technologies, advanced analytics, and the expertise of world‑class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to grow your career while leaving a lasting legacy.

What you'll be doing

• Leading the delivery of safety projects in a range of high risk industries, ensuring they are completed on budget and to the client's satisfaction.
• Leading hazard study workshops including: HAZOP/HAZID/ALARP/LOPA/FMEA.
• Leading delivery of COMAH Safety Reports and conducting formal safety assessments such as quantitative risk assessments and occupied building risk assessments.
• Leading the development of Process Safety Management Systems.
• Leading on consequence and risk modelling.
• Leading on functional safety/machinery safety project scopes.
• Providing technical guidance and mentoring for more junior team members.
• Managing teams of consultants to support project delivery.
• Recognising opportunities for business and service development.
• Supporting business and service development to help grow the business.
• Maintaining and developing lasting relationships and frameworks with clients.

Who we're looking for

• Highly skilled in process safety techniques, e.g. HAZID, HAZOP, QRA, ALARP, CBA, OBRA, CFD, LOPA, COMAH safety.
• Self‑motivated team player with good people and leadership skills.
• Excellent technical report writing skills.
• In depth knowledge of relevant UK regulations, standards and other regulatory regimes.
• The nature of the work we undertake may require you to undergo security clearance.

Qualifications

• A degree in Chemical Engineering, Process Engineering, Mechanical Engineering, Control or Electrical Engineering or equivalent.
• Chartered Engineer.

What is in it for you?

We're proud to be an accredited training provider, internationally recognised and providing robust fully accredited professional training programmes – to master's degree level professional qualifications in leadership & management and executive coaching & mentoring. We provide learning and development for everyone. We support our people to innovate, collaborate and build meaningful careers. Our network of people and knowledge will expand your horizons and give you access to a variety of interesting projects.

Why RPS, a Tetra Tech company

We’re a connected community, working together to achieve exceptional outcomes. We understand the need to work flexibly, empowering our people to create a work‑life balance that’s right for them. We also understand the importance of collaboration and social connection in the office environment. With agile offices and hybrid working offered as standard, we trust our people to find the right balance to meet client needs – this is a workplace that works for you.

About Tetra Tech

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high‑end consulting and engineering services for projects worldwide. With over 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Disability Confident

Proud member of the Disability Confident employer scheme.

A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high‑volume, seasonal and high‑peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to .