SEVERN TRENT
Senior Design Engineer (Civils)

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Join Our Team as a Senior Design Engineer!
At Severn Trent, our people are at the heart of everything we do. We’re in the top 5% of utility companies worldwide for employee engagement, and we’re equally proud of our strong Glassdoor score — reflecting how much our people love working here. Join us to make a positive impact on the environment and our communities, while being valued and supported in a truly inclusive workplace.
If you want to do more, because you care, we want you on our team. Our ambitious five-year programme, encompassing over 5,000 innovative projects, is designed to tackle the growing challenges of delivering exceptional water and waste services. With our dedicated in-house design team, we are poised to achieve outstanding results and make a significant impact.
About the Role
We have an exciting opportunity for a Senior Design Engineer (Mechanical, Civil or Process). The role will be based in Raynesway (Derby). These roles will sit in our expanding our major projects and bioresources waste treatment design team. Our Design Team use their technical skills to shape the wastewater strategies for the company, providing expert advice to lead projects from feasibility to detailed design to support the Severn Trent goals.
You will work with our stakeholders, consultants, and contractors to protect and enhance the quality of our waste treatment assets and rivers; interrogate and make improvements to our data systems; undertake investigations; undertake outline designs so that we have the best evidence available from which we can make sound decisions.
Key Responsibilities
- Sewage treatment assets - understanding our existing assets, completing risk assessments, undertaking outline designs for new assets to meet new business needs and short-to-long-term complex investigations
- Developing strategies to allow us to enhance the existing assets and inform the Price Review regulatory submissions; collaborating across the business as we build our river quality, sustainability and net zero carbon plans influencing the business to transition away from traditional investment routes
- Carry out self-led research on emerging technologies, to define new innovative treatment options and collaborate both internally and externally to promote new strategies
- Promoting our ongoing waste treatment capital maintenance programme; ensuring that we have robust evidence-based understanding of how our waste treatment sites work to ensure final effluent quality is maintained
- Tactical support and advice to operational teams to maintain the availability and quality of our waste treatment services for our customers
- Ensure Health and Safety are built into the lifecycle of the design
- Understand and review potential delivery and operational risks e.g. H&S, environmental, commissioning through the design process
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
WHAT YOU’LL BRING
You’ll be degree qualified (desirable) and showing your professional commitment as a member of one of the engineering Institutions or actively working towards incorporated or chartered status, a journey which we are keen to support you on. Having water industry background would be great but not essential, however, an engineering discipline would be required.
You will have excellent internal and external stakeholder management skills, with the ability to build relationships with a diverse range of people. You will be a forward-thinking individual capable of anticipating challenges and responding to change in a rapidly evolving environment. A full UK driving licence will be required.


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Of course, it’s important that we attract the right skill sets, and those with the right experience, but we value character, positivity, and a caring attitude in equal weight.
We do more, because we care.
WHAT’S IN IT FOR YOU
Working here isn’t just a job. You can build a career at Severn Trent. We’ll reward you for it, too. We have a range of benefits that recognize great work, and award-winning training to help you reach your potential.
Here are just some of our favorite perks that you’ll get being part of the Seven Trent family:
- 28 days holiday + bank holidays (and the ability to buy/sell up to 5 days per year)
- Annual bonus scheme (of up to £2,250, which is subject to eligibility)
- Leading pension scheme – we will double your contribution (up to 15% when you contribute 7.5%)
- Sharesave – the chance to buy Severn Trent Plc shares at a discounted rate
- Dedicated training and development with our Academy
- Electric vehicle scheme and retail offers
- Family friendly policies
- Two paid volunteering days per year
WHAT’S NEXT?
We can’t wait to hear from you.
Before you apply, you’ll need an updated copy of your CV and about five minutes to spare. We’ll always let you know the outcome of your application after the closing date - so keep an eye on your phone and emails!
And if your curiosity has peaked and you're wanting to find out even more, search #LifeAtSevernTrent on social media.
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