Senior Wastewater Engineer
Carollo Engineers
Overview Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges. We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities. Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo. Responsibilities Work on projects related to municipal water and wastewater treatment plants, including but not limited to major treatment plant expansions, regional water quality studies, and critical water reuse projects that will create sustainable and resilient water supplies for the world Plans, schedules, and conducts engineering work on projects, with responsibility and authority for budget, schedule contractual obligations, and quality standards Negotiates critical and controversial issues with top-level engineers and officers of other organizations and companies May have responsibility for several projects concurrently Initiates and maintains extensive contacts with key engineers and officials of other organizations and companies, requiring skill in persuasion and negotiation of critical issues Has responsibility for preparing proposals, conducting interviews, and negotiating contracts with clients after selection Develops and maintains significant relationships with client management personnel Delivers high quality services within budget and schedule constraints Identifies need for and directs subconsultants performing services on projects Active in professional associations, including presentations of technical papers, member of technical committees, and officer of local or national organization Travel required when requested Qualifications Bachelor's Degree in Civil, Environmental, or Chemical Engineering Registration as a Professional Engineer 10-15 years of directly-relevant experience in Wastewater Engineering working with wastewater treatment facilities and wastewater collection systems 5+ years of project management experience Must have demonstrated ability and experience in the design and construction phase of small, medium, and large sized infrastructure projects Ability to communicate effectively with clients and project team Proficient in MS Word and Excel Preferred Qualifications Master's degree in Civil or Environmental Engineering Other Compensation and Benefits Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre‑tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status. #J-18808-Ljbffr Carollo Engineers, Inc.
- ...Description Job Description Client: ~ THE most reputable Water/Wastewater Infrastructure and Treatment Civil Consulting firm in the US... ...Responsibilities: Plans, schedules, and conducts engineering work on projects, with responsibility and authority for budget...SeniorLocal areaRelocation package
$130k - $180k
Water/Wastewater Senior Project Engineer At David Evans and Associates, Inc., our Water and Environment team excels in managing complex whole-system resources. We offer comprehensive solutions in natural resources and water/wastewater management. Our projects incorporate...SeniorWork at officeLocal areaFlexible hours- Carollo Engineers, Inc. in Portland, Oregon seeks an experienced project manager in Wastewater Engineering. The role involves overseeing municipal water treatment projects, managing budgets, negotiating contracts, and maintaining client relationships. Qualified candidates...SeniorFlexible hours
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Water/Wastewater Engineer Water and Environment Jobs with David Evans and Associates: At David Evans and Associates, Inc., our Water and Environment team excels in managing complex whole-system resources. We offer comprehensive solutions in natural resources and water/...Work at officeLocal areaFlexible hours$100k - $130k
Water/Wastewater Engineer Position is available in Portland, OR; Beaverton, OR; or Salem, OR. What You’ll Do Key Responsibilities Engineering & Design Perform planning and design for water and wastewater infrastructure systems Support development of: Conveyance and...Local areaFlexible hours$100k - $130k
David Evans and Associates, Inc. is hiring a Water/Wastewater Engineer in Portland, OR. The role involves planning and designing municipal water and wastewater infrastructure. Candidates should have a Bachelor's in Civil Engineering and 4-8 years of related experience....Flexible hours$100k - $130k
David Evans and Associates, Inc. is seeking a Water/Wastewater Engineer for our Portland, OR location. You will perform planning and design for water and wastewater infrastructure systems, contributing to project delivery while supporting junior staff development. Candidates...Flexible hours$150k - $181k
...A leading engineering firm in water infrastructure seeks a Senior Process Mechanical Engineer in Portland, OR. The role involves managing and optimizing water treatment processes, ensuring they meet regulations and sustainability standards. With 7+ years of relevant experience...Senior- ...Bozeman, MT; Vancouver, WA; Denver, CO; Sioux Falls, SD, and Reno, NV. Job Summary DJ&A is seeking a full-time Water/Wastewater Design Engineer with 1 to 5 years of relevant experience in water/wastewater engineering. Other experience can include site civil,...Full timeFor contractorsLocal areaRemote workFlexible hours
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...disciplined consulting firm with over 60 years of experience in civil engineering and related services. Our in‑house expertise spans Civil and... ...on the type, duties, or location of the position. Water and Wastewater Join our team and help shape reliable, efficient water and...Full timeTemporary workFlexible hoursShift work- ...disciplined consulting firm with over 60 years of experience in civil engineering and related services. Our in-house expertise spans Civil and... ...of integrity, professionalism, and teamwork. Water and Wastewater Join our team and help shape reliable, efficient water and...
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$150k - $181k
Senior Process Mechanical Engineer - Water Portland, OR, USA Job Description Posted Monday, February 23, 2026 at 10:00 AM Founded in 1919, KJ has... ...pursuits. Collaborate with our existing contacts in the wastewater industry to identify and develop new business opportunities...SeniorWork at officeWork from home- CDM Smith is seeking an experienced Civil Engineer in Portland, OR to support water-related projects. The role involves developing engineering designs, ensuring compliance, and mentoring junior staff while collaborating with clients. Candidates should have a Bachelor's...Senior
- ...A leading engineering consultancy is seeking a Senior Hydraulic Structures Engineer in Portland, OR. You will oversee the inspection, design, and construction observation of hydraulic structures, including dams and spillways. The role requires strong theoretical knowledge...Senior
- ...Vision, Dental, and 401K match Sign on bonus opportunity Paid OT and Annual Performance Bonus Responsibilities Conduct Electrical engineering services and consulting on low to medium voltage power in industrial and municipal facilities Plan, design manage, and project...SeniorRelocation package
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$102.1k - $153.2k
...Responsible for large projects of high complexity. Serves as Engineer-of-Record. Provides technical leadership for civil related projects... .... Minimum of 8 years of professional experience in water, wastewater, and/or stormwater conveyance design projects. This...SeniorFull timeContract workTemporary workPart timeFor contractorsFor subcontractorCasual workLocal areaFlexible hours
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