Senior Mechanical Design Engineer - Water & Utilities

Rullion Ltd; London Colney; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Rullion Ltd is seeking a Senior/Principal Mechanical Engineer for a design consultancy role based from the St Albans office, with travel to sites as needed. The position offers hybrid working and can be contracted outside IR35 or permanent.

You will lead design delivery, coordinate CAD technicians, and liaise with M&E suppliers to ensure compliant solutions. The ideal candidate has 5–10+ years in UK water mechanical design, with a relevant graduate or technician background and active IT

Qualifications

• 5–10+ years of mechanical design experience in the UK water sector.
• Graduate, HND or significant technician level experience.
• Good IT skills and professional body registration pursuit.

Responsibilities

• Provide design deliverables satisfying safety and quality requirements.
• Produce calculations and drawings for water industry projects.
• Direct and develop CAD technicians.
• Prepare scopes and review M&E design subcontract output.
• Engage with suppliers and prepare tender specifications.
• Prepare investigations, reports and design specs.
• Ensure design remains compliant with standards.
• Estimate hours and present at design meetings.

Skills

Mechanical design

Water industry

Design calculations

Education

Graduate/HND/Technician level

Tools

CAD software

Job description

Rullion Ltd is seeking a Senior/Principal Mechanical Engineer for a design consultancy role based from the St Albans office, with travel to sites as needed. The position offers hybrid working and can be contracted outside IR35 or permanent.

You will lead design delivery, coordinate CAD technicians, and liaise with M&E suppliers to ensure compliant solutions. The ideal candidate has 5–10+ years in UK water mechanical design, with a relevant graduate or technician background and active IT