Overview

Jacobs – Warrington, United Kingdom

Join to apply for the Principal Water Network Engineer/Modeller role at Jacobs.

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Role impact

As an experienced Water Network Engineer, you’ll bring leadership, insight, and technical excellence to a collaborative UK-wide team. Based at one of our UK offices with hybrid working, you’ll contribute to global projects, expanding your influence beyond borders. You’ll be at the heart of major strategic partnerships with leading water companies, helping to drive projects from early feasibility and planning stages through to design, construction, and long-term operations. Your impact will be felt in the resilience of water networks, the sustainability of communities, and the success of a generational national multi‑billion portfolio of projects. You will work with strategic partners on major capital design programmes across AMP8 and AMP9, involving strategic water transfer schemes at regional levels and between water companies, shaping the future of UK water infrastructure.

Responsibilities

• Hydraulic modelling of water networks, including building, verifying, and using hydraulic models in capital projects
• Develop innovative solutions from feasibility through optioneering, detailed design, commissioning and operations of new assets (pipelines, service reservoirs, pumping stations, control valves)
• Develop control philosophies for the operation of new assets
• Develop system‑level control and operation for entire schemes
• Integrate new schemes with existing networks to ensure efficient future operation with minimal customer impact
• Act as technical lead within a multidisciplinary team

What you’ll need

• Progressive experience in water network operations, hydraulic modelling, optioneering, and engineering design
• Proficiency in modelling software such as Synergi Water/Liquid, InfoWorks WS Pro, or EPANET
• Experience in water quality modelling including chlorine decay, discolouration risk, water age, and PODDS modelling
• Expertise in developing control philosophies for complex strategic networks
• Proven experience in managing and developing diverse teams
• Strong communication skills to convey technical information clearly to technical and non‑technical audiences
• Excellent writing skills for engineering reports, guidance documents, and proposals

What We Offer

Fantastic work‑life balance and flexibility.

Medical cover and Digital GP.

Fertility healthcare and family planning.

Enhanced parental leave pay.

Enhanced pension contributions (10%).

Life assurance at 4x salary.

Professional membership fees and CPD.

Joining Jacobs connects you locally and globally. We value safety, integrity, inclusion and belonging, and place people at the heart of our business. We support well‑being, flexible working, and opportunities to contribute to our global giving and volunteering program.

We are an inclusive employer and welcome applicants who may require flexible working or adjustments in the recruitment process.

Hybrid working enables a mix of office and remote locations to help you deliver your best work. If you need reasonable adjustments during recruitment, please contact Careers Support.

Additional information

Seniority level: Not Applicable

Employment type: Full-time

Job function: Information Technology

Industries: Civil Engineering, Design Services, and IT Services and IT Consulting