Senior Mechanical Design Engineer

Job description

We’re hiring: Senior Mechanical Design Engineer

Hemel Hempstead | Permanent | ⏰ 40 hours | £50,000–£60,000

We’re looking for a Senior Mechanical Design Engineer to take a lead role within our Design Team, delivering mechanical solutions across water and wastewater treatment projects that make a real impact.

In this role, you’ll own the full mechanical design lifecycle — from concept through to commissioning — working closely with multidisciplinary teams to deliver safe, efficient, and sustainable solutions. You’ll also mentor junior engineers and help shape technical best practice across the business.

⚠ Please note: This position requires attendance in the Glasgow office or on site at least 3 days per week

What you’ll be doing

✅ Leading mechanical design packages end‑to‑end

✅ Producing compliant designs aligned with HSE and environmental standards

✅ Supporting procurement, installation, commissioning, and optimisation

✅ Carrying out technical reviews and risk assessments

✅ Mentoring and developing junior engineers

What we’re looking for

• 7–10 years’ experience in mechanical design engineering (water/wastewater ideal)
• Strong knowledge of pumps, pipework, valves, blowers, and filtration systems
• Experience delivering designs within multidisciplinary teams
• Confident communicator with strong stakeholder engagement skills
• Organised, solutions‑focused, and commercially aware

Extra information

Status

Open

Education Level

Secondary School

Location

Hemel Hempstead

Type of Contract

Full-time jobs

Published at

28-04-2026

Profession type

Manufacturing / Industrial

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English