Senior Mechanical Engineer Contract

Alfreton, England, UK on site Until 8/22/2026 First posted May 11, 2026 Last posted May 11, 2026
Job description

Envirogen Group UK Limited is seeking a talented Senior Mechanical Engineer on a contract basis to join our innovative engineering team. In this role, you will be responsible for designing and developing mechanical components and systems, for cutting-edge water and wastewater treatment solutions that contribute to environmental sustainability.

As Senior Mechanical Engineer your primary purpose is to be responsible for:

  • All technical aspects on projects in the execution phase
  • Ensuring all projects fulfil the technical, time and budget deliverables whilst ensuring they are suitable for the process requirements
  • Technical proposal writing to support the sales team; analysing drawings, specifications and other documentation, liaising with stakeholders to construct and formulate estimates and resolve issues

As a Senior Mechanical Engineer, you will manage external partners to ensure accuracy of execution costings as well as being responsible for producing technical documentation, conducting feasibility studies, and attending project meetings to discuss progress and provide technical insights.

Your work will directly impact the efficiency and performance of our water treatment systems, making a difference in communities and ecosystems.

Requirements

Qualifications:

  • Technical qualification in mechanical or chemical engineering

Experience and knowledge:

  • Experience in industrial water treatment industry
  • Significant experience of developing costed technical engineering proposals to clients within a water industry environment (regulated or industrial)
  • Ion exchange and reverse osmosis
  • Experience with key process equipment, pumps, vessels, tanks etc
  • Experience with MS office applications
  • Excellent communication skills
  • Industrial project experience within a team
  • Experience with Autocad/ Plant 3D
  • Experience with specification and technical alignment of process equipment
  • Experience of delivering design risk assessments
  • Water treatment technology and process knowledge
  • Proven ability of plant take-offs, preparing procurement schedules and expediting
  • Technical knowledge, including but not limited to: hydraulic design, process calculations, PFD, P&ID and mass balance

Skills and attributes:

  • Excellent and proactive communication skills.
  • Dependable and accountable-commits to doing the best job.
  • Strong analytical and problem solving skills. A 'self starter' who will actively seek information and work effectively with all stakeholders.
  • Innovative and meets challenges with resourcefulness.

Benefits

  • Supportive and collaborative culture
  • Opportunity for development and career progression
  • Private healthcare
  • Purchase extra annual leave
About this role

Summary

Designs, develops, and manages mechanical components for water treatment systems.

Job title

Senior Mechanical Engineer

Experience level

senior level

Industry

engineering

Location requirements

Alfreton, UK, on-site, no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

mechanical engineeringwater treatmentautocadplant 3DPFDP&IDhydraulic design

Preferred skills

ion exchangereverse osmosispumpsvesselstankscost estimatingtechnical proposals

Specializations

water treatmentmechanical systemsindustrial waterproject managementprocess equipment
Locations

Structured locations inferred from the posting.

Alfreton DE55, UK

On-site City