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Job Information

AECOM Senior Hydraulic Modeler in Chelmsford, Massachusetts

Company Description

How will you make your mark?

At AECOM, our work in providing access to clean water enables communities to thrive and ecosystems to flourish, contributing to a resilient future. As a global leader in infrastructure consulting, we are at the forefront of significant water projects, with over 6,000 of the industry’s best minds driving innovation and technical excellence. Together, we develop solutions that are not only best in the world, but best for the world.

With an acceleration in infrastructure investment, your bold ideas and global expertise have never been more crucial. Join our dynamic team, where innovation, career growth, and collaboration are celebrated. Enjoy the freedom to grow with customizable career paths, water-specific technical and professional development and the potential to contribute to transformational projects worldwide.

Discover your #H2Opportunity

Job Description

AECOM is seeking a Senior Hydraulic Modeler for our Chelmsford, MA hydrologic, hydraulic, and water quality analysis group. This position will involve working on and leading staff in a wide range of hydraulic applications for water, wastewater or collections system projects locally, throughout the U.S., and abroad. The selected candidate will be working with some of AECOM’s foremost experts in water and wastewater distribution and plant hydraulics and will be exposed to numerous high-profile jobs throughout the country. Work could include projects on:

  • analysis, modeling, and design of water system distribution systems.

  • hydraulic transient (surge) analysis.

  • development of hydraulic profiles for water and wastewater treatment facilities.

  • provide design input and coordination for conveyance conduits and pipelines for state-of-the-art treatment plants.

  • equipment sizing for various control valves, distribution chambers and outlet structures.

  • Collection system modeling for sanitary and combined systems.

Responsibilities will include but not be limited to:

  • Technical writing skills using strong communication skills.

  • Working with the following distribution system modeling software platforms: InfoWater, WaterGEMS, H2OMap, EPANET, SWMM / PCSWMM and InfoWorks.

  • Work with ArcGIS, AutoCAD, or relational database management software (such as MS-Access, SQL Server, or Oracle)

  • Work with MS-Office programs (Word, Excel, PowerPoint)

  • Design treatment facilities, pipelines, and pumping and storage facilities and/or collection systems and combined systems.


Minimum Requirements:

  • BA/BS + 4 years of related experience of modeling and design of water/wastewater treatment facilities and distribution systems or demonstrated equivalency of experience and/or education.

Preferred Qualifications:

  • Master’s Degree.

  • Experience leading modeling aspects of projects and/or mentoring junior staff.

  • Experience in one or more of the following hydraulic transient modeling software platforms: Hammer, InfoSurge, Impulse, WANDA.

  • Experience with marketing/proposal development specific to the preparation of technical approaches and estimated levels of effort for the modeling aspects of a project.

  • Experience with programming skills in Visual Basic, Python, C++, MatLab

  • Experience with other modeling areas (collection systems, receiving waters, CFD).

Additional Information

  • Relocation is not available for this position.

  • Sponsorship is not available for this position.


Offered compensation will be based on location and individual qualifications. The expected range is $87,778.70 - $125,084.64.


AECOM is proud to offer a comprehensive benefits program to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absence, voluntary benefits, perks, U.S. and global well-being programs, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the world’s 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 $14.4 billion in fiscal year 2023. 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 you’re 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 culture of equity, diversity and inclusion – 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 and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll 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 person’s potential, and we’ll help you reach yours.

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

ReqID: J10111349

Business Line: Water

Business Group: DCS

Strategic Business Unit: East

Career Area: Engineering

Work Location Model: Hybrid