Process Engineer, Warrington

Process Engineer (Engineer, Senior & Principal level)

Location: UK - Warrington (Leicester and Bristol also options)
Sector: Nuclear
Type: Permanent

About the Opportunity

Our client is a leading organisation within the UK nuclear sector, delivering complex, high-value projects across fuel reprocessing, next-generation civil nuclear new build, and critical defence programmes.

Due to continued growth and a strong project pipeline, they are seeking Process Engineers at Engineer, Senior Engineer, and Principal Engineer levels to join their expanding teams.

The Role

As a Process Engineer, you will play a key role in the design, development, and optimisation of complex process systems within highly regulated environments.

Responsibilities will vary depending on level but may include:

• Process design and development for nuclear facilities and systems
• Production of key engineering deliverables (e.g., PFDs, P&IDs, mass balances, process calculations)
• Supporting safety case development and hazard identification studies (HAZOP, ALARP assessments, etc.)
• Working collaboratively with multidisciplinary engineering teams
• Ensuring compliance with nuclear regulatory requirements and industry standards
• Technical problem-solving across the full project lifecycle (concept through to commissioning)

At Senior and Principal levels, additional responsibilities may include:

• Technical leadership and mentoring of junior engineers
• Leading complex work packages or projects
• Stakeholder engagement with clients, regulators, and internal teams
• Driving best practice and continuous improvement

About You



Engineer Level

• Degree qualified in Chemical Engineering or related discipline
• Experience in process engineering within a regulated industry
• Strong analytical and problem-solving skills

Senior Engineer Level

• Significant experience in process engineering roles
• Proven delivery of engineering design work packages
• Experience within highly regulated environments (e.g., nuclear, oil & gas, pharmaceuticals, chemicals)
• Ability to guide and support junior engineers

Principal Engineer Level

• Extensive experience leading process engineering activities
• Strong track record in complex project delivery
• Nuclear industry experience is highly desirable at this level
• Demonstrated leadership, technical authority, and stakeholder management capability
• Chartered engineer (or close to achieving chartership)

Desirable Experience (All Levels)

• Nuclear sector experience
• Experience in safety case development and regulatory compliance
• Familiarity with UK nuclear standards and regulatory frameworks

Candidates from other highly regulated industries (e.g., oil & gas, petrochemical, pharmaceutical) are strongly encouraged to apply, particularly at Engineer and Senior levels.

What's on Offer

• Opportunity to work on nationally critical infrastructure projects
• Clear career progression pathways across all levels
• Competitive salary and benefits package
• Flexible and hybrid working arrangements
• Support for professional development and chartership