Wastewater Networks Modelling Internship 2026

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.

Your impact

Are you ready to launch your career? Our Summer Internship Programme offers you the chance to gain real-world experience in your chosen discipline.

For approximately eight weeks in the summer, you’ll work in one of our hub office locations across the UK or Ireland. Here, you’ll collaborate with world-class professionals in a dynamic environment, applying the skills you’ve honed in the classroom to real business challenges.

In this fast-paced, professional setting, you’ll gain invaluable experience that will set you apart in your future career. Throughout the programme, you’ll receive personalised guidance from mentors, people leaders and Programme Champions. They’re all here to help you make the most of your experience.

You’ll also have plenty of opportunities to connect with colleagues and fellow interns from different disciplines, broadening your professional network and gaining insights from across the business.

Our goal is to ensure that your time with Jacobs leaves you with a positive, impactful learning experience.

Jacobs has secured multi-year contracts and projects with leading clients in the water sector throughout UK and Ireland. We need a range of skills to deliver these fantastic opportunities and are therefore recruiting professionals from all disciplines who are looking to growing their careers in the water sector. We embrace flexible working and welcome candidates based throughout the UK and Ireland.

You will join our team of over 1000 water professionals, working on a range of high-profile projects and become a part of a World Leading Company with excellent career prospects. You will work with teams who have a successful track record in delivering projects specialising in water / wastewater networks, water / wastewater treatment, asset management, integrated catchment management, network modelling and project/programme management. You will work within a multi-disciplinary structure, striving for technical excellence, delivering your projects for agreed timeframes and budgets.

Here’s what you’ll need

• On track to complete a degree in MEng Civil Engineering in 2028.
• A flexible and innovative self-starter who’s passionate about developing new skills.
• Enthusiasm and curiosity to apply your skills to solve real-world problems.
• Empathy and listening skills to help you truly understand our clients’ requirements.
• A well-rounded individual - have you worked in a bar? Been captain of a sports team or volunteered for a charity? Tell us - we’re looking for people with interesting stories and experiences!
• You must be available to join the 8-week programme starting 28th June 2026 – 20th August 2027.
• You must have the full right to work in the UK.
• You need to be a penultimate year student, finishing your degree in 2028.

How to apply

• Step 1: Apply Online
• Step 2: Solo Video Assessment
• Step 3: Interview

Apply before 16th November 2026, for your application to be considered in the first assessment window. You can still apply after this date if the role remains open to applications. However, you do so with the knowledge that we may not proceed with your application if the role is filled in the first assessment window.

Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.

With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.