Water/Wastewater Engineer
$41.42 - $59.18 per hourHDR
Overview At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion, we constantly ask: What is our impact on the world? Water is a shared responsibility. As part of our Water Business Group, you’ll help shape how communities manage water for generations to come, from delivering safe drinking water and treating wastewater responsibly to developing sustainable water supplies and protecting lives and property through flood control. Your work will support public health, environmental sustainability, and infrastructure resilience. We bring together experts across disciplines to solve complex challenges with bold thinking and technical excellence. Whether modernizing aging systems or pioneering innovative approaches, your contributions will make a meaningful difference in people’s lives. This isn’t just a job, it’s a chance to lead change and leave a lasting legacy. Responsibilities Take responsibility for performing complex assignments exercising judgment in evaluation, selection and modification of standard engineering techniques and procedures Make decisions on significant design and engineering procedures as needed Function as technical specialist or project manager on mid-size projects as needed Supervise small staff of professionals and technicians as needed Perform other duties as needed Qualifications Preferred Qualifications MS A minimum of 3 years experience designing and creating plans and specifications for water and wastewater projects Required Qualifications Bachelor's degree in Civil Engineering or equivalent field Previous experience designing and creating plans and specifications for water and wastewater projects Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license. Self-motivated, able to work independently and with a project team to completion of a task An attitude and commitment to being an active participant of our employee-owned culture is a must What We Believe HDR is our company. Together, we build on each other\'s life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve. Our Commitment As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees. We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location. (Stated benefits are for full-time regular positions. Temporary and part-time roles eligible for limited benefits.) Colorado: $41.42/hr - $59.18/hr Location & Details Primary Location: United States-Colorado-Denver Industry: Water Schedule: Part-time Employee Status: Regular Business Class: WW Treatment and Effluent Mgmt Job Posting: Jun 3, 2026 At HDR, we are committed to the principles of employment equity. We are an Affirmative Action and Equal Opportunity Employer ( We consider all qualified applicants, regardless of criminal histories, arrest and conviction records. #J-18808-Ljbffr
$90k - $135k
GFT is seeking a Water/Wastewater Conveyance Engineer to join our Water Team in Colorado! This role follows a hybrid work model, requiring regular attendance at our Denver, CO office.Joining the water team at GFT means contributing to innovative solutions for sustainable...WaterFull timeRemote work- ...community, but around the world. We believe water is more than a resource; it's a shared... ...safe drinking water and treating wastewater responsibly to developing sustainable water... ...a lasting legacy.In the role of Senior Engineer Sanitary, we'll count on you to:Independently...WaterWork at office
$130k - $200k
The Opportunity:Tetra Tech is adding a Senior Water/Wastewater Engineer to our Water team based in Denver, Colorado. This role provides an opportunity to serve as a technical leader on complex municipal wastewater projects while mentoring staff and supporting project delivery...WaterFull timeFor contractorsWork at officeLocal areaWorldwide- ...fastgrowing, multidisciplinary consulting powerhouse that turns bold ideas into realworld infrastructure. We need a passionate Water/Wastewater Engineer who wants to lead, innovate, and grow alongside industry veterans. Why This Role Is Different Immediate Impact: Your...WaterImmediate startFlexible hours
$97.1k - $140.8k
...Communities everywhere share the need for clean water. And as they work to meet that need,... ...lead in training on landmark water and wastewater projects throughout the Southwest United... .... Supervise the work of other engineers, including setting the priorities for their...WaterFull timeTemporary workPart timeFor contractorsCasual workWork at officeLocal areaRemote workFlexible hours$100k - $125k
...Short Description Bowman has an opportunity for a Water/Wastewater Engineer III to join our team in Lakewood, CO. At Bowman, we believe in creating opportunities for aspiring people to thrive and achieve ambitious goals. That's why a career at Bowman is more...WaterContract workFor subcontractorWork at officeLocal areaNight shift$141k - $185k
Job Description Dewberry is currently seeking a Water / Wastewater Senior Project Engineer to work in our Denver, CO office on water and wastewater projects locally and nationwide for public sector utility clients. This position offers potential for professional growth...WaterFull timeTemporary workFor contractorsWork at officeLocal areaFlexible hours- ...is our impact on the world? We believe water is more than a resource; it’s a shared responsibility... ...safe drinking water and treating wastewater responsibly to developing sustainable... ...selection and modification of standard engineering techniques and procedures Make...WaterPart time
- ...OVERVIEW Are you ready to lead transformative water infrastructure projects that serve communities and protect vital resources? Merrick is seeking a Senior Water/Wastewater Engineer to join our growing Water Group in Colorado and Texas. This is your opportunity to...WaterWork experience placementLocal areaRemote workRelocation
$133k - $198k
Company DescriptionWe are Olsson. We engineer and design solutions that improve the world around us. As a company, we promise to... ...us.Job DescriptionOlsson offers clients a full spectrum of water and wastewater services, including a complete line of planning, design, permitting...WaterFull timeTemporary workWork at officeFlexible hours2 days per week3 days per week- ...Job Details: Wastewater Engineer A respected multidisciplinary engineering consulting firm is seeking a Senior Project Engineer/Manager to lead water and wastewater treatment projects in the Denver metro area. Key Responsibilities Manage treatment and infrastructure...WaterFor contractors
$45 - $65 per hour
...Water/Wastewater Project Engineer Johnson, Mirmiran & Thompson is a dynamic, 100% employee-owned consulting firm with more than 2,800 professionals, providing a full range of multidisciplinary engineering, architecture, information technology, and related services to...WaterFor contractorsFor subcontractorWork at officeLocal area$125k - $150k
...Opportunity Associated Engineering, a proudly Canadian, Employee‑owned Company, is seeking... ...experienced and dedicated Senior Environmental Wastewater Engineer to join our team in our... ...wastewater management area of our core Water practice and mentor young professionals....WaterWork at officeFlexible hours$73.65k - $92.07k
...make a difference in helping to serve our community? Check out this great full-time position in the Engineering Department at Arapahoe County Water and Wastewater Authority. Arapahoe County Water and Wastewater Authority (ACWWA, pronounced Aqua) provides the drinking...WaterFull timeContract workTemporary workFor contractorsWork experience placementWork at officeLocal area- ...What is our impact on the world?We believe water is more than a resource, it's a shared... ...safe drinking water and treating wastewater responsibly to developing sustainable water... ..., but around the world. Description:HDR Engineering is looking for a Wastewater Engineer/Manager...WaterContract workWork at officeLocal area
- ...the lights on, providing access to clean water, or transforming skylines, our work... ...team of over 50,000 planners, designers, engineers, scientists, digital innovators, program... ...Job DescriptionAECOM is seeking a Water/Wastewater Engineering Project Manager to be based...WaterContract workFor subcontractorWork at officeLocal areaWorldwideFlexible hours
$63k - $77k
Water/Wastewater Engineer in Training (EIT) - Englewood, CO or Dillon, CO As a Water/Wastewater Engineer in Training (EIT), you’ll be part of a collaborative team dedicated to designing and improving essential infrastructure that supports clean water and environmental health...WaterFull timeTemporary workInternshipNight shiftAfternoon shift$125k - $150k
...The opportunity: Associated Engineering, a proudly Canadian, Employee-owned Company is seeking... ...an experienced and dedicated Senior Wastewater Process Engineer to join our team in our... ...wastewater treatment area of our core Water practice and mentor young professionals....WaterContract workWork at officeLocal areaFlexible hours$97.04k - $124.76k
Job Description Dewberry has an immediateopening for a Water/Wastewater Project Engineer experienced in water and wastewater planning, design and construction phase engineering services in our Parsippany, NJ office. This is an excellent career opportunity for an enthusiastic...WaterFull timeTemporary workWork at officeFlexible hours$82.8k - $101.2k
Water/Wastewater Process Project Engineer - Denver, CO, Dillon, CO, or Grand Junction, CO AE2S is seeking a Water and/or Wastewater Process Project Engineer to support planning, design, and delivery of municipal water and wastewater infrastructure projects. This role is...WaterTemporary workNight shiftAfternoon shift- Company Description Arapahoe County Water and Wastewater Authority (ACWWA) provides essential drinking water and wastewater services to residents... ...base. Role Description The Water/Wastewater Utility Engineer is a full‑time, on‑site role based in the Denver Metropolitan...WaterFull timeFor contractorsWork at officeLocal area
- Garney Construction in Englewood, Colorado is seeking an Estimator to prepare detailed quantity takeoffs and cost estimates for water and wastewater treatment projects. The role requires strong analytical skills and the ability to work on multiple projects simultaneously....Water
- ...Job Description Job Description Providence Infrastructure Consultants currently has an opening for a full-time, Water/ Wastewater Staff Engineer to join our team in Denver. The position is located in the South Denver suburb of Highlands Ranch. This is an excellent...WaterFull timeTemporary workWork at officeRelocation
$76.11k - $114.17k
...company delivering sustainable design, engineering, and consultancy solutions for natural and... ...Role description: Arcadis’ Industrial Water Treatment and Optimization (IWTO) team is... ...portfolio of industrial water and wastewater related design projects. In this role, you...WaterFull timePart time- ...off ~ Vision insurance ~ Flexible schedule TST Infrastructure provides planning, engineering, operational, managerial and construction services to the water and wastewater industry. We are committed to delivering innovative and environmentally-friendly...WaterWork at officeFlexible hours
- ...Job Description Job Description TST Infrastructure provides planning, engineering, operational, managerial and construction services to the water and wastewater industry. The company aims to inspire its clients with what’s possible and implement environmentally-friendly...WaterWork at officeRelocation
- ...Job Description Multidisciplinary design firm is seeking a Wastewater Treatment Engineer to join their Denver team as a subject matter expert!... ...Represent firm at professional organizations Lead/manage water/wastewater treatment projects from design through implementation...WaterLocal area
- ...01K match ~ Sign on bonus opporunity ~ Paid OT and Annual Performance Bonus Responsibilities: Perform engineering work in water and wastewater treatment plants and conveyance Work on engineering planning and design projects Prepare reports, develop plans...WaterRelocation package
$97k - $160k
This OpportunityWSP is seeking a Senior Surface Water Engineer to join our Denver (South Colorado Boulevard) office. This position is intended for an engineer with approximately 5-7 years of experience who has developed strong technical capabilities in hydrology, hydraulics...WaterWork at officeLocal area- ...comprehensive solutions that span waste planning, remediation, engineering and implementation. You’ll collaborate closely with clients and... ...community, but around the world. In the role of Senior Engineer Water, we'll count on you to: Independently create detailed designs,...WaterWork at office
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