[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) AECOM · Mississauga, ON # Water Resources Engineer Mississauga, ON Operations Listed on AECOM’s official careers site. Posted November 9, 2026. Check that it is still open and apply there. [Apply on AECOM’s careers site →](https://aecom.jobs/jobs/013E40EE3FAC44989F3F6B39A4C409C3/job/) [OpenNash Jobs](https://jobs.opennash.com/) / [AECOM](https://jobs.opennash.com/companies/aecom/) / Water Resources Engineer ## Job description Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. ### Job Description AECOM is seeking a motivated Water Resources Engineer to join our growing team in the Greater Toronto Area in this existing role. This role offers the opportunity to contribute to a diverse range of water resources projects through planning, detailed design, tendering, and construction while working alongside experienced water resources engineers and multidisciplinary teams across Ontario. The position is ideal for an engineer looking to expand their technical expertise, take on increasing responsibility, and grow their career under the mentorship of senior water resources professionals. The successful candidate will contribute to the delivery of water resources projects from concept through detailed design and construction. Working closely with senior technical and project management staff, this role provides opportunities to develop technical expertise, project coordination skills, and client-facing experience while supporting the successful delivery of multidisciplinary projects. Responsibilities include: - Support the delivery of water resources projects from inception through design and construction, taking increasing responsibility for technical work, project coordination, and client interaction under the guidance of senior technical and project management staff. - Complete hydrologic, hydraulic, stormwater management, drainage, and water quality analyses for municipal, transportation, and environmental projects. - Develop and apply hydrologic and hydraulic models using industry-standard software such as HEC-RAS, SWMM, InfoWorks ICM, and PCSWMM. - Support the planning and detailed design of channels, culverts, stormwater management facilities, erosion and slope stability works, flood mitigation measures, and other water resources infrastructure. - Prepare and coordinate engineering deliverables throughout the project lifecycle, including technical reports, calculations, specifications, cost estimates, tender documents, regulatory submissions, and construction support. - Coordinate and integrate inputs from multiple disciplines, CAD designers, and project stakeholders to support projects where Water Resources is the lead discipline, ensuring deliverables are aligned and delivered on schedule. - Support client communication, agency coordination, and stakeholder engagement activities. - Contribute to knowledge sharing and collaboration within the team. - Ensure compliance with applicable regulatory requirements, municipal standards, and industry best practices. ### Minimum Requirements - Bachelor's degree (or higher) in Civil Engineering, Water Resources Engineering + 4+ years of relevant experience in hydrology, hydraulics, stormwater management, and water quality. - Registered as a Professional Engineer (P.Eng.) in Canada. - Valid ON driver's licence and willingness to travel to site as required. ### Preferred Qualifications - Experience delivering infrastructure projects from detailed design through construction, including contract administration and field services. - Experience with municipal infrastructure and transportation projects. - Experience in watershed studies, floodplain mapping and flood mitigation. - Knowledge of fluvial geomorphology and natural channel design. - Proficiency in 1D/2D hydraulic and water resources modelling using HEC-RAS, SWMM, InfoWorks ICM, TUFLOW, PCSWMM or similar tools. - Experience preparing engineering reports, design deliverables, specifications and cost estimates. - Experience coordinating with municipalities, conservation authorities and regulatory agencies. - Knowledge of climate resilience, stormwater management and low impact development (LID) practices. - Strong communication, organizational and interpersonal skills, with the ability to build and maintain client relationships. ### Additional Information - Sponsorship for Canadian employment authorization is not available for this position. At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. _To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment._ Offered rate of compensation will be based on individual education, qualifications, experience, and work location. The range for this position is $90000 to $120000. ### About AECOM AECOM is proud to offer comprehensive benefits 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 absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team. ### ReqID J10163604 ### Business Line Water ### Business Group DCS ### Strategic Business Unit Canada ### Career Area Engineering ### Work Location Model Hybrid ### Compensation CAD 90000 - CAD 120000 - yearly ## At a glance - Posted by the employer: Nov 9, 2026 - First seen by OpenNash: Nov 10, 2026 - Last checked: Nov 10, 2026 - Listed for: 1 day - Location: Mississauga, ON[Apply on AECOM’s careers site →](https://aecom.jobs/jobs/013E40EE3FAC44989F3F6B39A4C409C3/job/) ## Hiring at AECOM - Open jobs: 5,445 - New in the last 7 days: After two weekly collections - Tracked since: Jul 12, 2026 [All AECOM jobs](https://jobs.opennash.com/companies/aecom/) · [Weekly hiring report](/reports/hiring/) ## More jobs at AECOM ### [UX/UI Designer - on-call role](https://jobs.opennash.com/companies/aecom/jobs/da52927d9bb5b13743e0/) Mississauga, ON ### [VP, Stations and Rail Systems Delivery](https://jobs.opennash.com/companies/aecom/jobs/5a60d0b8640ee393a90f/) Mississauga, ON ### [Tamheer - Engineer](https://jobs.opennash.com/companies/aecom/jobs/125eba0812e99519d68f/) Riyadh, SAU ### [Traffic Engineering Apprentice - Bristol (2027 start)](https://jobs.opennash.com/companies/aecom/jobs/3b689c92dad520918eea/) Bristol, GBR ### [Traffic Engineering Apprentice - Liverpool (2027 start)](https://jobs.opennash.com/companies/aecom/jobs/bdd16def864714afbe29/) Liverpool, GBR ## Similar jobs at other companies ### [Senior Water Resources Manager, AWS Water Team, DCC Communities](https://jobs.opennash.com/companies/amazon/jobs/a95e9baeddcd55909574/) Amazon · JP, Tokyo ### [Senior Water Resources Manager, AWS Water Team, DCC Communities](https://jobs.opennash.com/companies/amazon/jobs/9efa071da532316092bf/) Amazon · SG, Singapore ### [Water Resources Engineering Specialist](https://jobs.opennash.com/companies/eog-resources/jobs/8ffe8c66320889fde9bc/) EOG Resources ### [2027 Summer Internship - Water Resources (Civil) Engineering - TCLW - Hybrid](https://jobs.opennash.com/companies/freeport-mcmoran/jobs/ebde125eb24a4ffd3ae2/) Freeport-McMoRan ### [2027 Summer Internship - Geotechnical Engineering & Water Resources - TCLW - Site Locations](https://jobs.opennash.com/companies/freeport-mcmoran/jobs/5a01eba0275a1ea43c4a/) Freeport-McMoRan [Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. [ OpenNash ](https://opennash.com/) AI-native services firm that builds custom software and 24/7 AI agents. OpenNash Jobs is an OpenNash Applied AI project. [Book time with OpenNash](https://calendly.com/opennash/new-meeting?hide_gdpr_banner=1) Jobs - [Search jobs](https://jobs.opennash.com/search/) - [Companies](https://jobs.opennash.com/explore/) - [Hiring report](https://jobs.opennash.com/reports/hiring/) - [AI assistants](https://jobs.opennash.com/connect/) - [How it works](https://jobs.opennash.com/methodology/) OpenNash - [opennash.com](https://opennash.com/) - [Services](https://opennash.com/ai-agent-consulting/) - [OpenNash CX](https://opennash.com/cx/) - [AI Tools](https://opennash.com/ai-tools/) - [Blog](https://opennash.com/blog/) - [About](https://opennash.com/about/) Contact - [hello@opennash.com](mailto:hello@opennash.com) - [LinkedIn](https://www.linkedin.com/company/opennash) - [Support](https://jobs.opennash.com/support/) - [Privacy](https://jobs.opennash.com/privacy/) - [Terms](https://jobs.opennash.com/terms/) © 2026 OpenNash, Inc. Company names and public job postings belong to their respective owners. Employers control source availability and application decisions.