Field Process Engineer

Alexander Associates; Greater London; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

Alexander Associates is seeking a Field Process Engineer to support commissioning, optimisation and performance of water and wastewater treatment technologies across customer sites in the UK. The role combines technical process engineering with hands-on site problem-solving to improve treatment performance and asset reliability.

You will travel across the UK to customer sites, with occasional overnight or overseas travel.

Qualifications

• Degree in Process, Chemical, Environmental, Water Engineering or related field.
• Experience in water or wastewater industry, especially treatment processes, commissioning or optimisation.
• Strong ability to analyse data and diagnose performance issues.
• Practical, analytical problem-solver who works well on-site with customers and teams.

Responsibilities

• Provide process engineering support across commissioning, troubleshooting, optimisation and after-sales activities.
• Investigate performance issues using site observations, data and sampling results.
• Identify root causes and distinguish equipment faults from process issues.
• Recommend improvements to performance, reliability and efficiency.
• Assist with commissioning plans, performance testing, pilot trials and remedial investigations.
• Prepare technical reports and clearly communicate findings to customers and internal stakeholders.
• Support customer training, technical presentations and continuous improvement initiatives.
• Share operational insights to inform design and product development.

Skills

Data analysis

On-site work

Communication

Troubleshooting

Education

Process Engineering degree

Job description

We are seeking a hands-on Field Process Engineer to support the commissioning, optimisation and performance of water and wastewater treatment technologies across customer sites throughout the UK.

This role offers the opportunity to combine technical process engineering with practical site-based problem-solving, helping customers improve treatment performance, resolve operational challenges and maximise the reliability of their assets.

Working closely with commissioning, service, asset performance and remedial teams, you will investigate process issues, analyse operational data and deliver practical, evidence-based solutions.

This is a hybrid, field-based position requiring regular travel to customer sites across the UK, with occaional overnight or overseas travel.

Key Responsibilities

• Provide process engineering support across commissioning, troubleshooting, optimisation and after-sales activities.
• Investigate performance issues using site observations, operational data, sampling results and process analysis.
• Identify root causes and distinguish between equipment-related faults and wider treatment-process issues.
• Recommend and support improvements to process performance, reliability and operational efficiency.
• Assist with commissioning plans, performance testing, pilot trials and remedial investigations.
• Prepare technical reports and communicate findings clearly to customers and internal stakeholders.
• Support customer training, technical presentations and continuous improvement initiatives.
• Share operational insights to inform engineering, design and product development.

About You

• Degree qualified in Process, Chemical, Environmental, Water Engineering or a related discipline.
• Experience within the water or wastewater industry, ideally in treatment processes, commissioning, optimisation or troubleshooting.
• Confident analysing process data and diagnosing operational performance issues.
• A practical, analytical problem-solver who enjoys working on site and collaborating with customers and multidisciplinary teams.
• Strong communication skills, with the ability to explain technical issues and recommend workable solutions.
• Knowledge of health and safety requirements and experience in operational or construction environments would be advantageous.
• Full UK driving licence and willingness to travel regularly across the UK.

If you are a process engineer looking for a varied, customer-facing role where you can make a tangible difference to treatment performance and operational reliability, we would welcome your application.

Only those of proof to right to work in the UK should apply for this position