Senior Process Engineer

Senior Process Engineer – Wastewater

East Sussex (Hybrid + Site Visits)
Up to £65,000 + benefits

Driving licence required

We are recruiting for a Senior Process Engineer on behalf of a leading client in the UK water sector. This is an excellent opportunity to join a highly collaborative wastewater process engineering team working on a variety of treatment projects while also supporting operational sites.

The Role

You will provide technical leadership on wastewater treatment projects, delivering process design outputs while also supporting operational performance across treatment sites. The role blends design, optimisation, commissioning, and strategic improvement work, giving engineers the chance to see their solutions implemented in real environments.

Key responsibilities

• Producing process calculations, control philosophies, PFDs and P&IDs
• Developing process specifications, compliance plans and commissioning documentation
• Supporting site operations, optimisation and troubleshooting of wastewater treatment plants
• Analysing operational data to improve asset performance and efficiency
• Contributing to innovative process solutions and TOTEX efficiencies
• Mentoring junior engineers and supporting wider team development

You’ll regularly visit sites (typically 2-3 per month) to support commissioning, performance improvements, and operational teams.

About You

We are looking for engineers with strong wastewater process knowledge and experience supporting UK water sector projects.

Essential experience

• Background in wastewater treatment
• 4-5+ years’ experience in the water sector or consultancy
• Experience in process design, operations support, or optimisation
• Degree in Chemical Engineering or similar
• Full UK driving licence

Chartership or progress towards it is beneficial.

Why Apply?

• Hands-on role with real operational impact – not just desk-based design
• Strong training and development support
• Opportunity to work closely with site teams and operators
• Excellent team culture with very high retention
• Supportive leadership focused on developing individual strengths
• Option to speak with team members during the process to understand the culture

Working Arrangements

• Hybrid working – typically 1-2 days per week in the Falmer office
• Regular site visits across the region (flexible depending on project needs)

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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