Principal Civil Engineer

  • Alexander Associates
  • Chorleywood, Hertfordshire
  • Jul 23, 2025
Full time Engineering

Job Description

Principal Civil Engineer Water Projects

Hybrid working Rickmansworth

A design and build contractor in the water sector is hiring a Principal Civil Engineer to join their engineering team. The role is available due to a continued workload across multiple secured frameworks and a focus on improving internal design capability.

Why this role matters

  • Direct input into the design and delivery of clean and wastewater treatment projects
  • Mix of hands-on technical work, leadership, and coordination
  • Part of a large multi-disciplinary team with national project coverage
  • Opportunity to influence process improvement and team development

What you ll be doing

  • • Lead civil design on complex treatment works and infrastructure schemes
  • • Produce detailed design layouts and drawings that are practical, cost-aware and safe
  • • Review designs for compliance with technical, safety, and environmental standards
  • • Coordinate with other disciplines and external consultants to align designs
  • • Support the proposals team with early technical input and estimating
  • • Help improve internal procedures and design standards
  • • Mentor and support junior engineers
  • • Take an active role in quality control, risk reduction and client satisfaction

What they re looking for

  • • Strong civil engineering background in water and wastewater treatment
  • • Skilled in producing rationalised plant layouts and civil design packages
  • • Experience mentoring junior team members
  • • Comfortable working across disciplines (e.g. process, mechanical, electrical)
  • • Degree or HND in Civil Engineering
  • • Chartered or near Chartered (ICE or equivalent)
  • • Familiar with CDM and environmental design principles
  • • Able to clearly explain technical decisions to internal and external stakeholders
  • • UK driving licence

Package and Setup

  • • Competitive salary
  • • Hybrid working
  • • Company car or car allowance
  • • 25 days leave + option to buy more
  • • Private medical and life cover
  • • Long-term career development support