Sales Engineer (Water & Wastewater Treatment Systems)

Date: 10.10.2025

Package:

Depending on experience and qualifications + Commission on Sales + Pension + Health Insurance

Location:

Unit 5, The Courtyard, Glory Park Avenue, High Wycombe, UK, HP10 0DG

Company Overview

Esmil Process Systems Ltd (www.esmil.co.uk) is a UK-based supplier of advanced effluent treatment and product recovery systems, primarily using membrane-based technologies. For over 40 years, we have delivered bespoke, high-performance solutions for complex industrial effluents across multiple sectors.

Esmil Process Systems is part of the Esmil Group (www.esmil.eu), an international organisation with manufacturing facilities, engineering centres, and sales offices across Europe and the USA. The Esmil Group specialises in water and wastewater treatment, sludge dewatering, and resource recovery technologies.

Position Summary

We are looking for a Sales Engineer to join our team in High Wycombe. The ideal candidate will have a technical background in wastewater treatment and a strong interest in industrial sales and process engineering.

Depending on experience, the role may range from sales support (for a junior candidate) — focusing on data collection, inter-department coordination, and proposal preparation — to business development and sales management (for a more experienced candidate) — involving client acquisition, partner development, and securing new sales opportunities.

This role requires gaining an in-depth technical understanding of Esmil’s systems and solutions, building and maintaining client relationships, and working closely with internal teams to deliver successful projects.

Key Responsibilities

  • Understand and clearly communicate the technical capabilities of Esmil’s products and solutions.
  • Participate in client meetings, presentations, and technical demonstrations.
  • Review client-supplied engineering documentation, drawings, and specifications to prepare accurate and competitive proposals.
  • Collaborate with Esmil’s engineering team to design solutions that meet or exceed client expectations.
  • Translate client requirements into actionable information for engineering, procurement, and quality departments.
  • Maintain accurate records of leads, quotations, projects, and client communications.
  • Support existing customers and resolve technical or commercial queries in line with company values and objectives.
  • Identify and develop new business opportunities, including lead generation and partner engagement.
  • Assist in order processing, project scheduling, forecasting, and reporting as required.

Required Qualifications & Skills

  • Proven experience in sales to industrial or process-based companies.
  • Strong verbal and written communication skills.
  • Ability to discuss and explain technical concepts confidently with non-technical stakeholders.
  • Commercial awareness and a customer-oriented mindset.
  • Excellent interpersonal and organisational skills.
  • Willingness to travel as required.

Desirable Qualifications & Attributes

  • Degree or background in Chemistry, Engineering, or related fields.
  • Familiarity with wastewater treatment technologies and process design.
  • Experience with project management tools or CRM systems.
  • Existing network or contacts within the water, chemical, or process industries.
  • International exposure or multilingual abilities.
  • Strong motivation to develop a long-term career in industrial sales.
  • Ability to manage multiple tasks and priorities effectively.
  • A collaborative and proactive team player.

To apply, please send your CV and a brief cover letter to omi@esmil.co.uk with ‘Sales Engineer Application’ in the subject line.


Project Engineer (Water & Wastewater Treatment Systems)

Date: 10.10.2025

Package:

Competitive, dependent on experience (DOE) + Performance Bonus (linked to project outcomes) + Pension + Health Insurance

Location:

Unit 5, The Courtyard, Glory Park Avenue, High Wycombe, UK, HP10 0DG

Company Overview

Esmil Process Systems Ltd (www.esmil.co.uk) is a UK-based supplier of advanced effluent treatment and product recovery systems, primarily using membrane-based technologies. For over 40 years, we have delivered bespoke, high-performance solutions for complex industrial effluents across multiple sectors.

Esmil Process Systems is part of the Esmil Group (www.esmil.eu), an international organisation with manufacturing facilities, engineering centres, and sales offices across Europe and the USA. The Group specialises in water and wastewater treatment, sludge dewatering, and resource recovery technologies.

Position Summary

Esmil is seeking a Project Engineer to join our team in High Wycombe (full-time; part-time considered). You will manage and coordinate the delivery of water and wastewater treatment projects from design handover through procurement, fabrication, FAT/SAT, site installation, commissioning and client handover. Typical tasks include data collection and validation, schedule and tracking, supplier and subcontractor coordination, quality control, risk management, and clear communication with clients and internal teams. Success in this role requires a technical understanding of Esmil’s systems and solutions and a practical, hands-on approach to execution.

Key Responsibilities

  • Maintain a high level of product and process knowledge across Esmil’s technologies (e.g., membrane systems such as RO/UF/NF/MBR, DAF, chemical dosing, sludge dewatering).
  • Own day-to-day project coordination from engineering handover to client acceptance, ensuring scope, schedule, cost, and quality targets are met.
  • Plan and maintain project schedules; track progress, risks, actions, and changes; report status to customer and project manager.
  • Collect, review, and manage documentation (specifications, P&IDs, drawings, data sheets) to ensure accuracy, approvals, and alignment with requirements.
  • Coordinate and supervise workstreams across design, procurement, fabrication, logistics, site installation, process engineering, QA/QC, and commissioning.
  • Arrange, witness, and document FAT/SAT, performance tests, and site trials; compile test packs and close-out documentation.
  • Liaise with clients, suppliers, and subcontractors; prepare and issue meeting agendas and minutes; manage RFIs and technical queries.
  • Prepare and review RAMS and method statements; ensure compliance with H&S standards, CDM duties, and site rules when needed.
  • Support cost control and forecasting; raise and manage change orders/variations with commercial awareness.
  • Maintain accurate project records (data, schedules, drawings, correspondence) in the company systems/CRM.
  • Drive continuous improvement and lessons learned, feeding back into engineering and delivery processes.

Required Qualifications & Skills

  • Experience delivering or coordinating industrial projects (water/wastewater, process, chemical, or related).
  • Ability to read and interpret technical documents (P&IDs, GA drawings, datasheets) and discuss technical concepts with confidence.
  • Strong organisation and communication skills; able to manage multiple tasks.
  • Commercial awareness with a pragmatic approach to schedule, cost, and risk.
  • Working knowledge of H&S management (RAMS, permit to work) and site practices; familiarity with CDM principles.
  • Proficiency with common productivity and project tools.
  • Driving licence and willingness to travel to supplier premises and client sites as required (worldwide).

Desirable Qualifications & Attributes

  • Degree in Engineering (Chemical/Process/Mechanical/Civil) or a related discipline.
  • Hands-on exposure to wastewater treatment technologies (MBR/RO/UF/NF, DAF, chemical dosing, sludge dewatering) and process design concepts.
  • Experience with commissioning, performance testing, and producing O&M manuals and turnover/handover documentation.
  • Experience managing suppliers/subcontractors and basic contract administration (e.g., change control, variations).
  • International exposure or multilingual abilities.

To apply, please send your CV and a brief cover letter to omi@esmil.co.uk with ‘Project Engineer Application’ in the subject line.

Contact ESMIL

For further information or enquiries, please complete the contact form or e-mail Esmil direct at info@esmil.co.uk

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