Field Process Engineer

Alexander Associates Limited; City Of London; Hybrid; GBP 42,000 - 65,000; Full time

Job summary

Alexander Associates Limited in the United Kingdom seeks a hands-on Field Process Engineer to support commissioning, optimisation and performance of water and wastewater treatment technologies across customer sites.

You will work closely with commissioning, service, asset performance and remedial teams, analysing operational data and delivering practical, evidence-based solutions to improve reliability and performance.

Qualifications

• Degree in Process, Chemical, Environmental, Water Engineering or related discipline.
• Experience in water or wastewater treatment or related commissioning/optimisation roles.
• Able to analyse process data and diagnose performance issues.
• Practical, on-site problem-solver with good communication skills.

Responsibilities

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

Skills

Data analysis

Root-cause analysis

Field engineering

Customer collaboration

Health & safety awareness

Education

Process/Environmental 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.

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