Senior Electrical Design Engineer - Water Industry
Lead electrical and control design for national water programmes
Purpose and scope of the role:
Tetra Tech’s Water Consultancy is seeking a Senior Electrical & ICA Design Engineer to join our Water Consultancy team, delivering AMP8 and AMP9 wastewater programmes across the UK. You will produce electrical and instrumentation, control and automation (ICA) designs for treatment works, pumping stations and ancillary plant, including load assessments, LV/MV distribution, cable sizing, single‑line diagrams, URSs, FDSs and control philosophies. Daily responsibilities include client liaison, multidisciplinary coordination, site surveys, technical review and delivery of construction‑ready documentation for multi‑discipline design packages.
Your impact in this position:
In the short term you will ensure technical rigour and timely delivery of electrical and ICA packages. Over the medium term you will improve system reliability and constructability, support digital design workflows and strengthen client relationships. In the longer term you will capture technical knowledge, mentor engineers and progress to principal roles.
Core capabilities:
- Technical design and verification - Produce, check and approve electrical and ICA designs, calculations and specifications compliant with statutory and industry standards.
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Control systems architecture - Develop ICA and SCADA architectures, control philosophies and functional specifications that support operational requirements.
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Power distribution and LV/MV systems - Confidently size and specify LV/MV distribution, perform load assessments and prepare single‑line diagrams and cable schedules.
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Multidisciplinary coordination and CDM - Integrate electrical/ICA deliverables with process, mechanical, civil and instrumentation disciplines and support CDM duties and design risk assessments.
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Leadership and client engagement - Provide technical governance, mentor junior staff, lead design teams and influence clients and supply‑chain partners to achieve project outcomes.
Skills, qualifications and experience:
Expected: degree in Electrical Engineering or related discipline; substantial water industry experience; chartered or working towards chartership (IET or equivalent). Desirable: postgraduate qualification and proven AMP programme delivery experience.
Work patterns & locations:
Hybrid working with regional office attendance; typical two to three days per week onsite depending on project needs. Travel to client sites across the UK and occasional site visits required. Competitive salary and benefits; flexible arrangements considered.
Why join Tetra Tech?
Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.
We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.
In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role.
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