Senior Principal United Kingdom, Bristol Jobs (Hybrid work)

Assystem seeks a Senior Principal Mechanical Engineer in Bristol to lead multidisciplinary teams on fusion and modular nuclear projects. Requires steam cycle modelling, cooling water expertise, and ONR compliance knowledge. Hybrid role with strong benefits.

AECOM seeks a Senior/Principal Power Systems Engineer in Bristol to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and high voltage systems.

Lead national civil engineering for major UK water/wastewater programmes as a Senior/Principal Engineer in Bristol. Drive AMP8, WINEP, and SRO projects, leveraging expertise in Civil 3D, hydraulic modelling, and BIM. Chartered (CEng/ICE) with a strong track record in municipal design and CDM lead...

Senior Principal EICA Engineer sought to lead discipline design on major UK water/wastewater programmes in Bristol. You will provide technical authority, mentor teams, and drive sustainable treatment solutions. Requires 10–12+ years’ UK water sector experience, Chartered status, and proven multid...

Lead national mechanical engineering for major UK water/wastewater infrastructure programmes. As Senior/Principal Engineer, you will shape design strategy, guide multidisciplinary teams, and drive best practice. Requires CEng, deep UK regulated water market experience, and treatment design expert...

Senior / Principal Civil Water Engineer sought to lead multi-disciplinary teams on landmark UK water infrastructure projects in Bristol. You will drive technical design for hydraulics, wastewater, and clean water systems, mentoring junior engineers. Enjoy flexible hybrid working, a competitive sa...