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PRINCIPAL ENGINEER (ENGINEERING LEADER)

Jobleads-UK | Greater London, United Kingdom | Posted June 17, 2026

Position Overview

Laing O'Rourke are currently recruiting for a Principal Engineer to work on our Letchmore Heath Substation project.


Location: Watford


Known terms: Chief Engineer, Senior Site Agent, Engineering Lead, Project Manager


Technical Capability:


Engineering Methods



  • Drives continuous improvement and adapts procedures for complex scenarios

  • Develops, manages, and shares technical knowledge across the business

  • Trials innovative technologies and data solutions on live projects

  • Produces detailed specifications for complex requirements

  • Contributes to training and capability development


Quality, Workmanship & Testing



  • Influences quality standards, procedures, and specifications

  • Develops best practice, audits performance, and drives improvement

  • Writes scopes of work and ensures subcontractor compliance

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