Senior / Principal Civil Design Engineer - Water Industry (WWTW), Outside IR35

Location: Bradford (Yorkshire Water projects) or Bromsgrove (Severn Trent Water projects)
Contract: Outside IR35
Day Rate: Up to £415/day
Projects: AMP8 - Yorkshire Water / Severn Trent Water
Sector: Water & Wastewater Infrastructure, WwTW / WTW, Civils Design

Role Overview

You will act as a Senior or Principal Civil Design Engineer delivering technical civil engineering design packages across AMP8 wastewater treatment and network improvement projects. The role involves producing and reviewing civil designs for WWTW upgrades, hydraulic structures, pipelines, civils for MEICA installations, sludge processing facilities, foundations, chambers, tanks, and site infrastructure.

This is an outside IR35 contract ideal for an experienced design engineer familiar with working on UK water authority frameworks.

Key Responsibilities

• Lead delivery of civil engineering design packages for WwTW/WTW upgrade schemes under AMP8.
• Produce detailed calculations, drawings, technical reports, specifications, and assessments.
• Deliver 3D civil models using Civil 3D or equivalent.
• Develop designs for channels, tanks, pipelines, structures, bases, bunds, access platforms, drainage, site layouts, roads, and earthworks.
• Coordinate closely with Process, Mechanical, Electrical and ICA teams.
• Conduct design risk assessments and ensure compliance with CDM regulations.
• Review drawings from technicians and ensure adherence to water authority standards.
• Assist with HAZOP/HAZCON workshops as required.
• Interface with contractors, suppliers, and client engineering managers.
• Support optioneering and early outline design through to detailed design.
• Provide mentoring and leadership to junior engineers (for Principal level).
• Contribute to planning, estimating and delivery scheduling for design packages.

Essential Skills & Experience

• Strong background in civil design within the UK water industry (WWTW/WTW essential).
• Experience working on AMP cycles (AMP6, AMP7 or AMP8).
• Previous experience delivering designs for STW or Yorkshire Water (desirable but not mandatory).
• Ability to produce detailed civil engineering designs for wastewater structures.
• Proficient in AutoCAD, Civil 3D, and ideally MicroDrainage/InfoDrainage.
• Strong understanding of UK Water Industry Standards and typical approval processes.
• Ability to work independently under an outside IR35 arrangement.
• Degree in Civil Engineering (MEng/BEng) and Chartered or working toward Chartership (ICE) preferred.

Why This Contract?

• Outside IR35
• Work on major AMP8 water infrastructure investment programmes
• Flexible base: Bradford (Yorkshire Water) or Bromsgrove (Severn Trent Water)
• Long-term programme (multi-year workload)
• Competitive rate up to £415/day