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Costain Group PLC

Principal Mechanical Designer – Water

Costain Group PLC

Principal Mechanical Designer leading design in water sector for multiple clients. Collaborate with a multi-discipline team using advanced CAD and technology.

Posted 6/2/2026full-timeManchester • 🇬🇧 United KingdomLeadWebsite

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
piping designplant layout design3D modelinggeneral arrangement drawingsengineering deliverablespipe support detailsresource planningmanhour usage reporting
Soft Skills
leadershipcommunicationcoordinationproblem-solving
Tools & Technologies
CADRevitAutoCAD
Certifications & Qualifications
City & GuildsHNCHNDEngTechI-EngICE professional qualification
Industry Keywords
waste water industrydesign reviewsvendor equipment packagesclash-free models

About the role

Key responsibilities & impact
  • Lead a team of designers responsible for all aspects of plant layout and piping design
  • Using CAD and digital technology to produce 3D models and detailed general arrangement drawings
  • Develop layouts of pumping stations, pipework, and similar systems in the waste water industry
  • Coordinate vendor equipment packages into the design and model access platforms in compliance with standards
  • Contribute to design reviews and ensure coordinated and clash-free models
  • Attend internal and client meetings to discuss issues and progress
  • Plan for adequate resources and manhour usage reporting to lead engineer

Requirements

What you’ll need
  • Qualified to City & Guilds or HNC/HND minimum
  • EngTech or I-Eng ICE professional qualification (Desirable)
  • Degree or equivalent (Desirable)
  • Significant experience in their discipline or a closely related one
  • Proficiency in the delivery of piping and plant design across multiple work categories
  • Exceptional CAD skills including Revit & AutoCAD
  • Experienced in production of relevant engineering deliverables including 3D models, General Arrangements, Pipe support details

Benefits

Comp & perks
  • Flexible and home working to support wellbeing