Senior Mechanical Engineer - Water / Wastewater in London
Senior Mechanical Engineer - Water / Wastewater

Senior Mechanical Engineer - Water / Wastewater in London

London Full-Time 43200 - 72000 ÂŁ / year (est.) No home office possible
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At a Glance

  • Tasks: Design and deliver mechanical solutions for water and wastewater projects across the UK.
  • Company: Join a leading firm shaping the future of UK water infrastructure.
  • Benefits: Flexible working, long-term contracts, and opportunities for professional growth.
  • Why this job: Make a real environmental impact while working on high-profile projects.
  • Qualifications: Degree in Mechanical Engineering and experience in regulated water environments.
  • Other info: Enjoy hybrid working and be part of a dynamic, multi-disciplinary team.

The predicted salary is between 43200 - 72000 ÂŁ per year.

We are seeking an experienced Senior Mechanical Engineer to support a portfolio of long‑term capital delivery programmes across the UK water sector. This is a contract role offering flexible working locations across England & Wales.

You will be engaged on a range of infrastructure and non‑infrastructure schemes within regulated water and wastewater environments, contributing to projects from early concept through to construction delivery. Assignments will vary from small rural assets to large, complex treatment and pumping facilities operating within AMP8 and AMP9 investment cycles.

This opportunity suits a contractor who enjoys technical ownership, autonomy and working within multi‑disciplinary delivery teams on high‑value regulated frameworks.

Key Responsibilities
  • Deliver mechanical design outputs across all project stages including feasibility, concept, detailed design and construction support.
  • Develop mechanical layouts, equipment schedules, technical specifications and design drawings.
  • Select and specify mechanical plant and systems for water and wastewater treatment facilities.
  • Carry out pumping station design including system modelling, headloss calculations and pump selection.
  • Produce WIMES datasheets, valve schedules, P&IDs and lifting / maintenance strategies.
  • Liaise with civil, electrical and process engineers to ensure coordinated, buildable solutions.
  • Participate in technical reviews, value engineering and design assurance activities.
  • Support bid development, cost forecasting and programme planning where required.
  • Undertake site surveys, inspections and interface with contractors and equipment suppliers.

Typical assets include pumping stations, screens, grit removal systems, odour control plant, penstocks, valves and associated pipework installations.

Candidate Profile
  • Degree qualified in Mechanical Engineering or equivalent.
  • Working towards or holding Chartered status with a relevant professional institution (e.g. IMechE).
  • Proven background delivering mechanical designs within regulated water or wastewater environments.
  • Strong technical capability in producing calculations, reports, specifications and coordinated design packages.
  • Comfortable operating in fast‑paced framework delivery environments with multiple stakeholders.
Contract Details
  • Inside IR35.
  • Hybrid working available with flexible office base across England & Wales.
  • Long‑term framework work with strong pipeline through AMP8 and AMP9.
  • Immediate or short‑notice starters welcomed.

If you are a senior mechanical engineer looking for technically engaging, long‑term contract work within the UK water sector, this is a strong opportunity to embed yourself in high‑profile capital programmes and deliver assets that make a tangible environmental impact.

Senior Mechanical Engineer - Water / Wastewater in London employer: Morson Edge

Join a forward-thinking company that prioritises innovation and sustainability in the UK water sector. As a Senior Mechanical Engineer, you will benefit from a flexible working environment, opportunities for professional growth, and the chance to contribute to impactful projects that enhance water infrastructure across England and Wales. Our collaborative work culture fosters technical ownership and encourages engagement with multi-disciplinary teams, making it an ideal place for those seeking meaningful and rewarding employment.
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Contact Detail:

Morson Edge Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Mechanical Engineer - Water / Wastewater in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the water and wastewater sector. Attend industry events or webinars, and don’t be shy about introducing yourself. You never know who might have the inside scoop on job openings.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your mechanical designs and projects you've worked on. This is your chance to demonstrate your technical capabilities and make a lasting impression during interviews.

✨Tip Number 3

Prepare for those interviews! Research the company and their recent projects in the water sector. Be ready to discuss how your experience aligns with their needs, especially in regulated environments. Confidence is key!

✨Tip Number 4

Apply through our website! We’ve got a range of opportunities that could be perfect for you. Don’t miss out on the chance to join us in shaping the future of UK water infrastructure. Your next big role could be just a click away!

We think you need these skills to ace Senior Mechanical Engineer - Water / Wastewater in London

Mechanical Design
Feasibility Studies
Concept Design
Detailed Design
Construction Support
Mechanical Layout Development
Equipment Scheduling
Technical Specifications
Pumping Station Design
System Modelling
Headloss Calculations
Pump Selection
WIMES Datasheets
P&IDs
Lifting/Maintenance Strategies
Coordination with Multi-Disciplinary Teams

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Mechanical Engineer role. Highlight your experience in water and wastewater environments, and don’t forget to showcase any relevant projects you've worked on. We want to see how your skills align with our needs!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about the water sector and how your background makes you a perfect fit for this role. Keep it engaging and personal – we love to see your personality come through!

Showcase Your Technical Skills: In your application, be sure to highlight your technical capabilities, especially in mechanical design outputs and system modelling. We’re looking for someone who can hit the ground running, so let us know what tools and methodologies you’re familiar with!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, you’ll find all the details you need about the role and our company culture there!

How to prepare for a job interview at Morson Edge

✨Know Your Technical Stuff

Make sure you brush up on your mechanical engineering principles, especially those related to water and wastewater systems. Be ready to discuss your previous projects in detail, focusing on the design outputs and technical specifications you've worked on.

✨Showcase Your Teamwork Skills

Since this role involves liaising with civil, electrical, and process engineers, be prepared to share examples of how you've successfully collaborated in multi-disciplinary teams. Highlight any experiences where you contributed to coordinated solutions or overcame challenges together.

✨Prepare for Practical Scenarios

Expect to face scenario-based questions that test your problem-solving skills. Think about how you would approach tasks like pumping station design or producing WIMES datasheets. Practise articulating your thought process clearly and logically.

✨Understand the Company and Sector

Research the company’s recent projects and their impact on the UK water sector. Being knowledgeable about current trends and challenges in water infrastructure will show your genuine interest and help you stand out as a candidate who is ready to contribute from day one.

Senior Mechanical Engineer - Water / Wastewater in London
Morson Edge
Location: London

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