8,219 Process jobs in the United Kingdom

We are seeking a Process Designer for an upcoming 12-month FEED project in the oil & gas/petrochemical sector.

This role will involve leading and developing process design deliverables, including PFDs and P&IDs, and translating engineering concepts into practical design drawings using industry-standard CAD tools.

Key Responsibilities:

• Lead and develop process design deliverables, including PFDs and P&IDs.
• Review and correct drawings based on check prints before submission to the Lead Engineer/Principal Engineer.
• Translate engineering concepts into practical design drawings using CAD tools (AutoCAD, SmartPlant, PDMS, Plant 3D, or equivalent).
• Ensure designs comply with engineering standards, safety requirements, and project specifications.

Qualifications & Experience:

• Diploma/Degree in Mechanical, Chemical, or Process Engineering (or equivalent).
• Minimum: Certificate in the Drafting trade.
• Preferably with Saudi Aramco project experience.
• 15+ years of experience in process design within oil & gas, petrochemical, chemical, or related industries.
• Proficiency in design software: AutoCAD, SmartPlant P&ID, Plant 3D, PDMS, or E3D.
• Strong knowledge of process and piping design principles, including equipment layout and safety design.

Reporting:

• The Process Designer will report to the Principal Engineer or Lead Engineer.

Assignment Duration:

• 12 months, with possible extension working outside IR35.

If you meet the above criteria apply today!

Company information

At First Recruitment Group we understand just how important it is to secure the right people. That is why our Recruitment Consultants always take the time to understand requirements in detail and offer sound advice to both clients and candidates.  We actively recruit at all levels and this is a superb opportunity  for new employment.

As part of putting people first, we strive to be an equal opportunities employer and we are always looking to increase the diversity of our workforce, working closely with our clients to ensure everyone is included.

Senior Process Engineer - Water Infrastructure
Location: UK
Work Style: Hybrid (Office/Home)

Contract: 5 day week minimum 12 months contract

A respected engineering consultancy is seeking a Senior Process Engineer to join its growing water infrastructure team. This is a fantastic opportunity to work on impactful projects that improve water and wastewater systems across the UK.
About the Role
You'll be at the forefront of designing and delivering process engineering solutions for clean water, wastewater, and sludge treatment facilities. The role combines technical leadership, project delivery, and collaboration with clients and suppliers to ensure sustainable and efficient outcomes.

Key Responsibilities
- Lead process design for water and wastewater treatment systems
- Conduct feasibility studies, risk assessments, and cost-benefit analyses
- Analyse operational data to drive process improvements
- Identify and implement system enhancements using structured methodologies
- Support project delivery in line with client expectations and regulatory standards
- Contribute to client proposals, presentations, and technical documentation
- Mentor junior engineers and promote knowledge sharing
- Coordinate with suppliers and subcontractors to ensure quality delivery

What We're Looking For
- Degree in Chemical, Environmental, or Process Engineering (or equivalent)
- 6+ years of experience in process engineering within the water sector
- Strong background in clean water, wastewater, and sludge treatment
- Proficient in P&IDs, control philosophies, and equipment sizing
- Familiarity with UK water industry standards and regulations
- Excellent analytical and communication skills
- Experience supervising junior team members is a plus

Key Attributes
- Proactive and accountable
- Strong analytical thinker
- Clear and confident communicator
- Decisive and solutions-focused
- Committed to process optimisation and continuous improvement

What's on Offer
- Flexible hybrid working arrangements
- Inclusive and collaborative team culture
- Opportunities to work on transformative infrastructure projects
- Career development and international collaboration

Ready to make a difference in water engineering?
Apply now to join a team that's shaping the future of sustainable infrastructure.


Vacancy Reference: CR/(phone number removed)
Vacancy Owner: Teo Delacruz | (url removed) | (+44) (phone number removed) | (+44) (phone number removed)

What Are We Looking For?

Our Asset Management & Technical Services business platform is expanding their in-house design team and are currently looking for a Process Design Engineer to join us on a permanent basis. The successful candidate will be responsible for providing process design input, whilst formulating and developing designs for clients.

Some of Your Key Duties Include:

• Initial project scoping visit and preparation of project scope reports.
• Process calculations and process unit sizing.
• Preparation of P&IDs and PFDs.
• Preparation of Process Control Philosophies. 
• Working with a multidisciplinary team to develop full solutions.
• Participation in design meetings, including but not limited to HAZOPs.
• Potentially acting as Design Lead for a limited number of projects.
• Specifying temporary treatment requirements to ensure no consent breaches occur during construction activities.
• Input into commissioning plans.
• Trouble shooting operational issues.

What Do You Need?

As a Process Engineer, the ideal candidate will possess strong technical knowledge both in the design and operation of water and wastewater projects (or similar). Ideally you will be able to demonstrate prior experience of problem-solving abilities to meet client specific requirements.

• Demonstrable experience in process engineering or a similar industry environment.
• Process design engineering experience within municipal water/wastewater is highly desirable.
• Experience of working in a multidiscipline design team.
• Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable.
• Experience of plant commissioning and/or plant operation is preferrable.
• Working towards Chartered Engineer with a relevant professional body is preferrable.
• Possess the ability to work on multiple projects consecutively.

Who Are We?

RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.

Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.

Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.

What RSE Offer

To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in the industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in an innovative and fast-paced environment. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work within dynamic teams that will require you to rise to the challenge of working for a market leader.   

• Industry-leading salary based on your experience.
• A flexible career development path, with no restrictions on where your career can go.
• Private Healthcare (Personal).
• Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service.
• Holiday Buy / Sell Scheme.
• Company Pension Scheme.
• Cycle to Work.
• Discounted National Gym Membership.
• Professional Fees Paid.
• Employee Discount Platform.
• EV/Hybrid Car Lease Scheme.
• Access to our network of health professionals including mental health champions and Occupational Health Nurse.

In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.

If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply now.

What Are We Looking For?

Our Asset Management & Technical Services business platform is expanding their in-house design team and are currently looking for a Process Design Engineer to join us on a permanent basis. The successful candidate will be responsible for providing process design input, whilst formulating and developing designs for clients.

Some of Your Key Duties Include:

• Initial project scoping visit and preparation of project scope reports.
• Process calculations and process unit sizing.
• Preparation of P&IDs and PFDs.
• Preparation of Process Control Philosophies. 
• Working with a multidisciplinary team to develop full solutions.
• Participation in design meetings, including but not limited to HAZOPs.
• Potentially acting as Design Lead for a limited number of projects.
• Specifying temporary treatment requirements to ensure no consent breaches occur during construction activities.
• Input into commissioning plans.
• Trouble shooting operational issues.

What Do You Need?

As a Process Engineer, the ideal candidate will possess strong technical knowledge both in the design and operation of water and wastewater projects (or similar). Ideally you will be able to demonstrate prior experience of problem-solving abilities to meet client specific requirements.

• Demonstrable experience in process engineering or a similar industry environment.
• Process design engineering experience within municipal water/wastewater is highly desirable.
• Experience of working in a multidiscipline design team.
• Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable.
• Experience of plant commissioning and/or plant operation is preferrable.
• Working towards Chartered Engineer with a relevant professional body is preferrable.
• Possess the ability to work on multiple projects consecutively.

Who Are We?

RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.

Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.

Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.

What RSE Offer

To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in the industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in an innovative and fast-paced environment. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work within dynamic teams that will require you to rise to the challenge of working for a market leader.   

• Industry-leading salary based on your experience.
• A flexible career development path, with no restrictions on where your career can go.
• Private Healthcare (Personal).
• Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service.
• Holiday Buy / Sell Scheme.
• Company Pension Scheme.
• Cycle to Work.
• Discounted National Gym Membership.
• Professional Fees Paid.
• Employee Discount Platform.
• EV/Hybrid Car Lease Scheme.
• Access to our network of health professionals including mental health champions and Occupational Health Nurse.

In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.

If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply now.

Senior Process Engineer - Water Infrastructure
Location: UK
Work Style: Hybrid (Office/Home)

Contract: 5 day week minimum 12 months contract

A respected engineering consultancy is seeking a Senior Process Engineer to join its growing water infrastructure team. This is a fantastic opportunity to work on impactful projects that improve water and wastewater systems across the UK.
About the Role
You'll be at the forefront of designing and delivering process engineering solutions for clean water, wastewater, and sludge treatment facilities. The role combines technical leadership, project delivery, and collaboration with clients and suppliers to ensure sustainable and efficient outcomes.

Key Responsibilities
- Lead process design for water and wastewater treatment systems
- Conduct feasibility studies, risk assessments, and cost-benefit analyses
- Analyse operational data to drive process improvements
- Identify and implement system enhancements using structured methodologies
- Support project delivery in line with client expectations and regulatory standards
- Contribute to client proposals, presentations, and technical documentation
- Mentor junior engineers and promote knowledge sharing
- Coordinate with suppliers and subcontractors to ensure quality delivery

What We're Looking For
- Degree in Chemical, Environmental, or Process Engineering (or equivalent)
- 6+ years of experience in process engineering within the water sector
- Strong background in clean water, wastewater, and sludge treatment
- Proficient in P&IDs, control philosophies, and equipment sizing
- Familiarity with UK water industry standards and regulations
- Excellent analytical and communication skills
- Experience supervising junior team members is a plus

Key Attributes
- Proactive and accountable
- Strong analytical thinker
- Clear and confident communicator
- Decisive and solutions-focused
- Committed to process optimisation and continuous improvement

What's on Offer
- Flexible hybrid working arrangements
- Inclusive and collaborative team culture
- Opportunities to work on transformative infrastructure projects
- Career development and international collaboration

Ready to make a difference in water engineering?
Apply now to join a team that's shaping the future of sustainable infrastructure.


Vacancy Reference: CR/(phone number removed)
Vacancy Owner: Teo Delacruz | (url removed) | (+44) (phone number removed) | (+44) (phone number removed)

• Design and develop industrial process flows, P&IDs (Piping and Instrumentation Diagrams), and equipment specifications.
• Conduct feasibility studies and process simulations to evaluate the viability of new designs and identify potential improvements.
• Collaborate with cross-functional teams, including R&D, operations, and project management, to ensure integrated and optimized process solutions.
• Specify and select appropriate process equipment, materials, and control systems.
• Analyze existing processes to identify opportunities for optimization, cost reduction, and efficiency gains.
• Ensure designs comply with relevant industry standards, safety regulations, and environmental requirements.
• Prepare technical documentation, including design reports, calculations, and operational manuals.
• Troubleshoot process issues during commissioning and provide technical support during the operational phases.
• Participate in HAZOP (Hazard and Operability) studies and other risk assessment activities.
• Stay abreast of emerging technologies and best practices in process engineering.

• Bachelor's degree in Chemical Engineering, Process Engineering, Mechanical Engineering, or a closely related discipline.
• Minimum of 3-5 years of experience in process design and engineering, preferably within manufacturing or chemical industries.
• Proficiency in process simulation software (e.g., Aspen HYSYS, CHEMCAD) and CAD tools.
• Strong understanding of P&ID development, mass and energy balances, and fluid dynamics.
• Knowledge of relevant industry standards and safety regulations.
• Excellent analytical, problem-solving, and critical thinking skills.
• Strong written and verbal communication skills.
• Ability to work effectively as part of a collaborative team in an on-site environment.
• Detail-oriented with a commitment to producing high-quality engineering designs.