Senior Wastewater Modeller

Start here. Grow here.

Are you ready to join a team of wastewater modellers and shape the future of the Water Industry

Are you ready to support a team of talented engineers modellers and consultants and help shape the future of the water industry

Join our dynamic and multidisciplinary Water Team as a Senior Wastewater modeller in our rapidly growing Edinburgh office whilst also taking advantage of our flexible hybrid working model.

At AECOM were at the forefront of innovation delivering an exceptional portfolio of water programmes and projects through long-term partnerships with key clients. These include contractors charities and water this role you will be one of the lead technical team members supporting the junior members of the team deliver top quality projects.

AECOM has recently been named preferred bidder for one of two Primary Designers for Scottish Waters SR27 Enterprise. This transformational multi-billion-pound programme is the highest value venture ever put into place by Scottish Water and will reshape Scotlands water and wastewater infrastructure from 2027 to 2033 (with potential to extend for another 6 years).

AECOM will be at the heart of this ground-breaking delivery model shaping design excellence at scale and working with Scottish Water and our Enterprise Partners to help drive outcomes that deliver value for customers in Scotland and go beyond net zero. This is a major win for AECOM and a powerful endorsement of our expertise giving us a fantastic opportunity to deliver long-term meaningful work that has large scale impact for communities across Scotland. This position offers an unparalleled opportunity to support on this programme and work alongside a talented diverse team committed to innovation and efficiency.

Heres what youll do:

• Be the technical lead on the delivery of outputs from small to modelling medium projects
• Effectively delegate tasks to the team as project workload and deadlines demand
• Undertake a technical mentoring role for more junior members of staff
• Health & Safety Risk Assessments
• Coordinating Field Teams
• Model Build and Verification
• Optioneering of design solutions
• Producing reports and technical documents.
• Progress reporting and client Liaison
• Project management as well as business development client liaison

If youre passionate about innovation and turning bold ideas into reality AECOM welcomes you. Join our team where we dont just construct infrastructure but also uplift communities and enhance lives. Why not give our AECOM Water page on LinkedIn a follow to stay updated on the impactful projects were working on and see firsthand the difference were making in the industry!

Come grow with us.

Become part of our dynamic Water business which boasts around 600 experts across the UK & Ireland. Collaborate with top-tier engineers and consultants to deliver a variety of captivating projects from small initiatives to large-scale ventures all the way from concept to completion.

At AECOM youll thrive in an inclusive and forward-thinking environment where your contributions are valued - and lets not forget about the perks! Youll enjoy a range of core and personalised benefits designed to support your future and well-being customised to fit your lifestyle. Take advantage of career development opportunities technical practice networks AECOM University volunteering days and our flexible hybrid working model to ensure a work-life balance that suits your lifestyle. We recognise that everyones circumstances are different so were happy to discuss part-time or flexible working arrangements that suit you.

Why Join Us:

• Be part of a dynamic team that tackles challenging and impactful water projects.
• Work alongside industry-leading professionals and thought leaders.
• Engage in a collaborative and inclusive work environment.
• Access to continuous learning and development opportunities.
• Competitive salary and comprehensive benefits package.
• Enjoy the flexibility to work in a way that fits your lifestyle while supporting a healthy worklife balance.

Qualifications :

Ready to push the limits of whats possible

Heres what were looking for:

• Experience using Infoworks ICM
• Understand and work within financial and programme constraints of a project
• Ability to develop technical specifications and scopes of works for projects.
• Experience of technically reviewing projects providing design and optioneering input and in preparation of proposals.
• Experience running a specific team of project engineers and technicians.
• Experience liaising with government departments local authorities water and utility companies SEPA and other public bodies.
• A proven track record developing client relationships and securing repeat business work.
• Excellent oral and written communication.

Preferred Qualifications

• Degree in Civil or Environmental Engineering (or equivalent qualification) or have proven track record/experience of delivering modelling projects
• Be self-motivated individual with ability to work independently and take ownership of workload
• Able to make decisions act on own initiative and operate in a proactive way
• Experience of working in multi-disciplinary teams
• Excellent report writing skills experience of making presentations and attending meetings with clients.
• Experience with coding languages such Ruby or Python

You will also be self-motivated with an ability to work both autonomously where required with a strong sense of commitment a willingness to learn and a desire to work in a dynamic deadline driven team environment.

At AECOM we believe in creating a better world through innovative and sustainable solutions. If you share our vision and are ready to make a difference in the nuclear industry we want to hear from you.

Additional Information :

Application Support

We celebrate diversity including neurodiversity and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process please contact us at At AECOM we value everyones unique contributions and perspectives.

If you meet some of the requirements above or have transferable skills you believe would benefit us we would be delighted to hear from you!

Additional Information

Want to find out more about the role or what working at AECOM is like

You can learn more about us here: Candidate Brochure 

Or why not connect directly with our recruiter on LinkedIn to unlock insights and take the next step towards your dream career!

Click here to connect with the Recruiter via LinkedIn

Alternatively you can email the recruiter at or register your interest here and well keep you updated on our latest opportunities. 

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About AECOM

AECOM is the worlds trusted infrastructure consulting firm delivering professional services throughout the project lifecycle from advisory planning design and engineering to program and construction management. On projects spanning transportation buildings water new energy and the environment our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise a culture of equity diversity and inclusion and a commitment to environmental social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at and @AECOM.

Freedom to Grow in a World of Opportunity 

You will have the flexibility you need to do your best work with hybrid work options. Whether youre working from an AECOM office remote location or at a client site you will be working in a dynamic environment where your integrity entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace where we invite everyone to bring their whole selves to work using their unique talents backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation benefits and well-being programs to meet the diverse needs of our employees and their families. Were the worlds trusted global infrastructure firm and were in this together your growth and success are ours too.

Join us and youll get all the benefits of being a part of a global publicly traded firm access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer we believe in each persons potential and well help you reach yours.

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition who meet the minimum/essential criteria for the role. Please let us know using this email address   if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.

Remote Work :

No

Employment Type :

Full-time