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Salary
≈ $68k – $112k per year (Estimated)
Location
Hybrid (Chelmsford, United Kingdom)
Seniority
Principal
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Jul 9, 2026. MWH Treatment scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Headquartered in Salford, United Kingdom, MWH Treatment is a leading integrated design and build contractor specializing in the water and wastewater sectors. Operating across major utility frameworks as part of RSK Group, the company delivers large-scale capital schemes, environmental infrastructure, and advanced process engineering solutions. By leveraging multidisciplinary technical expertise and modern digital delivery methods, it helps public and private water providers build resilient, energy-efficient facilities.

We are looking to strengthen our engineering team with a Principal EICA Engineer based at Maple Lodge (Rickmansworth), Hampton hybrid working available with an expectation to attend sites on a regular basis.

You will report directly to the RDL and your role will be to provide superior quality Engineering Design services to allow the company to minimise risks and maximise profits on turnkey and engineering services contracts. You will co-ordinate the design and produce design documents and drawings taking due account of health and safety requirements, specifications and standards pertaining to the contract.

Key responsibilities will include:

  • Produce design layouts which are cost effective, meet the requirements of the specification and which can be constructed and commissioned effectively. The term ‘cost’ is to embrace all costs associated with the design and the subsequent construction of the design. To be cost effective the whole out turn cost of the design solution must be considered including design time costs, material costs, erection costs and any impact that the design solution might have on other disciplines.
  • Ensure that standard practices are utilised whereverpossible.
  • Maintain competitiveness
  • Provide estimates and feedback for Proposals department
  • Work to procedures and processes to ensure the continuing development of the department
  • Assist in developing procedures and processes.
  • Monitor and review the procedures and processes.
  • Write, update and monitor efficient procedures to aid the smooth running of the department.
  • Ensure co-ordination of designs with all other disciplines internal and external to MWHT in order to ensure that the design processes carried out on the contract are co-ordinated for the benefit of the contract as a whole.
  • Maintain files and records throughout the duration of contracts.
  • Assure customer satisfaction.
  • To work within a culture where satisfying the customer is recognised as the key to achieving other objectives, and that customers include everyone receiving benefit from our processes, whether end users or other departments within the company.
  • Maintain a personal development plan.
  • Assist in supervising and developing staff.
  • Assist in ensuring a safe working environment for all staff.
  • Reduce waste to a minimum from all departmental activities.
  • Ensure designs take account of environmental issues.
  • Ensure that design takes full regard of all health and safety requirements.
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