Graduate Mechanical Engineer - Regulated Water

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

Join the Jacobs Graduate Development Program (GDP) and help shape better environments, communities and societies. Bring your passion, creativity and ambition — and together, we’ll create lasting change. 

What will you get?

Our two‑year Graduate Development Program is designed to accelerate your growth as you begin your Jacobs career. Through blended learning, mentoring, progress reviews and networking, you’ll build capability across four key areas: human skills, consulting skills, championing our strategy, and developing your personal passions.

You’ll tailor your learning journey to your interests, career goals and technical strengths — creating a graduate experience that’s uniquely yours. Much of your development will come through real project work, supported by your manager and mentor to ensure you gain the experiences that matter most.

The Graduate Development Program isn’t just a steppingstone — it’s a launchpad. You’ll gain the tools, exposure and support to unlock your potential, working on meaningful projects and collaborating with industry leaders to deliver solutions to complex challenges. 

About the opportunity

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.  

Primary Job Responsibilities:   

• Deliver mechanical engineering designs for water and wastewater treatment facilities, pumping stations, reservoirs, and network infrastructure projects. 
• Produce mechanical calculations, specifications, schedules, technical reports, and design documentation. 
• Design and specify mechanical process equipment, including pumps, screens, valves, pipework systems, penstocks, mixers, and treatment plant equipment. 
• Support the development of outline and detailed designs in collaboration with process, electrical, ICA, civil, and structural engineering teams. 
• Participate in design reviews, HAZOPs, constructability reviews, and value engineering workshops. 
• Undertake site visits, surveys, inspections, and commissioning support activities as required. 
• Ensure designs comply with client specifications, industry standards, health and safety legislation, and environmental requirements. 
• Support the development of project cost estimates, programmes, and technical proposals. 
• Contribute to risk management and identify opportunities for innovation and continuous improvement. 
• Build and maintain effective relationships with clients, contractors, suppliers, and project stakeholders. 

We are committed to creating an inclusive environment in which staff can pursue their interests and develop new skills, whilst contributing to our growth strategy. In ensuring we do things right, we will support the development and expansion of our technical capabilities in areas where our clients need it, not just now but in the future. In challenging the accepted, we will continue to aim higher whilst delivering high quality technical work in a cost-effective way.  

We are looking for talented graduates to work on a wide range of projects, and we offer excellent career progression while enabling you to play your role in protecting our environment and making a lasting impact. Whatever you decide to do, our friendly teams will be on hand to help you along the way. 

The start date for this position is March 2027.

Here's what you'll need

• Be working towards a relevant Degree or Master’s level qualification in Mechanical Engineering
• A flexible, proactive mindset and motivation to drive your career forward 
• Adaptability and enthusiasm for learning 
• Permanent right to work in the UK 

What else we provide

• A flexible workstyle, embracing a hybrid working pattern and supporting those who need to balance work/life commitments a bit differently than others   
• Free single medical cover and digital GP service   
• Reimbursement towards relevant professional development and memberships   
• A focus on safety, health, and wellbeing, prioritising our people through a culture of caring and positive mental health champion network   
• Opportunities to give back to our communities through our Collectively programme, incorporating matched-funding, paid volunteering time and charitable donations.   

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