Project Engineer - Water/Wastewater
Olsson
Listing collected from Olsson's career site. NextChapter is independent of Olsson.
Denver, CO · Posted September 17, 2026
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Where Denver, CO ranks
Where Denver, CO placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Cities with the most jobs that do not need a four-year degree in the Mountain West260 jobs · of 15
- #1Best cities for software and engineering jobs in the Mountain West793 openings · of 22
- #1Best all-round cities for mid-career professionals in the Mountain West65 / 100 · of 11
- #1Best all-round cities for remote workers in the Mountain West85 / 100 · of 11
- #1Best all-round cities for AI careers in the Mountain West85 / 100 · of 11
- #3Cities with the most hybrid jobs in the Mountain West17% · of 18
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 323 open project engineer listings that state pay, the middle half runs $85,000 to $115,000 and the median is $99,500.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
AI use among civil engineers is little observed so far. Measured exposure for civil engineers: 1% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Company Description
We are Olsson. We engineer and design solutions that improve the world around us. As a company, we promise to always be responsive, transparent, and focused on results – for our people, our clients, and our company.
We’re a people-centric firm, so it’s no surprise our greatest asset is our people. The impact this creates is an environment that encourages our people to grow and be creative with their talents. This approach builds a culture that is uniquely Olsson. It allows us to grow our people as we grow our business. This, in turn, creates a lasting impact on the world around us.
Job Description
Olsson offers its clients a full spectrum of water and wastewater services, including a complete line of planning, design, permitting, and construction phase services. Maintaining water quality is Olsson’s number one concern, and we can respond to a broad set of client demands in a timely and cost-effective manner.
As a Project Water/Wastewater Engineer, you will apply diversified knowledge of engineering principles and practices to a broad variety of assignments and independently make decisions regarding engineering complexities on small projects. You will work closely with other team members and engineers on wastewater collection and treatment projects, water supply, storage, treatment, and distribution. Typical tasks you will work on include sanitary sewer piping, wastewater pump stations, wastewater treatment facilities, water piping, water supply wells, water storage tanks, and water treatment facilities.
Primary responsibilities:
• Perform detailed engineering tasks such as project design, cost estimates, and design calculations.
• Prepare project documents and adhere to project scope, schedule, and budget to ensure alignment with project objectives.
• Independently perform complex assignments that require development of new and improved techniques and procedures.
• Work closely with project managers on execution of design work, report overall progress, and inform project managers of any potential challenges to ensure project goals and objectives are met.
• Attend client meetings.
• May supervise, coordinate, and review work for less experienced staff members.
• Coordinate with other Olsson technical teams, professional staff, and clients.
Travel may be needed to job sites for observation in all types of terrain and weather conditions, as well as project sites in various stages of construction.
Qualifications
You are passionate about:
• Working collaboratively with others.
• Having ownership in the work you do.
• Using your talents to positively affect communities.
You bring to the team:
• Strong communication skills.
• Ability to contribute and work well on a team.
• Bachelor’s degree in engineering.
• 6 or more years of industry experience.
• Must be a registered Professional Engineer (PE).
#LI-RS1 #LI-Hybrid
Actual compensation will vary based on factors such as experience, qualifications, geographic location, skills, education, and internal equity.
Colorado Pay Range
$117,000—$154,000 USD
Additional Information
Olsson specializes in engineering and design, client advisory services, planning, field services, and environmental. Improving the world has been our mindset from the very beginning, back when Olsson first opened for business in 1956. And it will be our mindset for years to come.
As an Olsson employee, you will:
• Receive a competitive 401(k) match
• Be empowered to build your career with tailored development paths
• Have the possibility for flexible work arrangements
• Engage in work that has a positive impact on communities
• Participate in a wellness program promoting balanced lifestyles
In addition, full-time employees will receive our traditional benefits package (health care, vision, dental, paid time off, etc.) and the opportunity to participate in a bonus system that rewards performance.
Olsson is an Equal Opportunity Employer. We encourage qualified minority, female, veteran, and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment or any employee because of race, color, religion, national origin, sex, sexual orientation, gender identity, gender, disability, age, military status, or other protected status.
Olsson understands the importance of privacy and is committed to protecting job applicants’ personal information. Pursuant to the California Consumer Privacy Act, as amended by the California Privacy Rights Act (collectively, the “CCPA”), this notice explains Olsson’s practices regarding the collection, use, and disclosure of personal information for job applicants residing in California. Please read this Notice carefully to understand our privacy practices.
For more information about the types of information we collect and how we use it in connection with your general access and use of our website, please review our general California Privacy Notice here.