Wastewater Process Engineer
$120k - $175kKennedy Jenks
Founded in 1919, KJ has always looked to the future. With a talented team of professionals and a culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services, with a focus on innovation and sustainability. Using advanced analytics, technology, and tools, KJ improves designs, reduces risk, and finds better ways to deliver projects from planning through construction. KJ is at the forefront of developing sustainable solutions for clients, including green infrastructure design, strategies to reduce energy use and environmental impacts, award-winning water reuse projects, and efficient construction management practices that ensure quality, safety, and on-time delivery. We are known for our dedication to industry-leading client service and tailored solutions.
Kennedy Jenks is seeking a motivated Wastewater Process Engineer to join our growing Wastewater Infrastructure team in Washington. This role focuses on wastewater treatment planning, design, and optimization projects that improve system performance, regulatory compliance, and environmental outcomes.
You'll work with multidisciplinary teams on wastewater treatment facilities, pump stations, collection systems, upgrades, and expansions.
What You'll DoAs a Wastewater Process Engineer , you'll apply technical analysis, process design, project coordination, and stakeholder communication to help deliver effective wastewater solutions.
- Advance process planning and design: Develop wastewater treatment plans, designs, upgrades, and optimization strategies.
- Evaluate treatment needs: Apply engineering analysis to assess system performance, develop alternatives, and inform practical solutions.
- Coordinate technical deliverables: Assist Project Managers and Process Leads with detailed design, technical deliverables, and coordination tasks for small to large civil infrastructure projects, including wastewater treatment facilities, pump stations, and collection systems.
- Improve treatment processes: Identify physical, chemical, and biological treatment improvements that enhance efficiency, reliability, and environmental performance.
- Facilitate stakeholder communication: Prepare project updates, technical discussions, and compliance-related documentation for clients, regulators, and project stakeholders.
- Work with purpose: Help deliver wastewater solutions that protect public health, promote environmental stewardship, and strengthen community infrastructure.
- Create practical client value: Shape solutions that improve reliability, efficiency, and long-term system performance.
- Influence strong project outcomes: Apply process insight that helps teams make informed technical decisions and produce high-quality outcomes.
- Sound engineering judgment : A thoughtful and analytical approach to evaluating challenges and recommending practical next steps.
- Client-focused collaboration : A service-oriented approach to working with clients, project teams, and stakeholders to promote responsive, high-quality project delivery.
- Clear written and verbal communication : The ability to present technical information in a clear, organized, and audience-appropriate way.
- Reliable follow-through : Attention to detail, responsiveness, and commitment to producing quality work.
- Education : Bachelor's or master's degree in Civil, Environmental, Chemical, or a related engineering field.
- Experience : 5+ years of relevant wastewater process engineering experience.
- Technical knowledge : Wastewater treatment processes, regulations, technologies, system design, optimization, and compliance documentation.
- Certifications or licenses : Engineer-in-Training (EIT) certification required; progress toward Professional Engineer (PE) licensure in Washington preferred.
- Travel : Willingness to travel as needed for project sites, client meetings, and collaboration with Kennedy Jenks offices.
Kennedy Jenks supports a healthy work-life balance and utilizes a hybrid model of home and office work, with a minimum of two days per week in the office. This approach empowers our people to thrive, collaborate, and do their best work.
Salary range for this position is anticipated to be between $120,000 and $175,000, and may vary based upon education, experience, qualifications, licensure/certifications, and geographic location.
Benefits summary: Medical, dental, vision, life and disability insurance; a health savings account; a 401(k); bonus programs; tuition reimbursement; employee ownership opportunity; professional registration support; business travel assistance; competitive paid time off and holidays; an employee assistance program; and additional programs that support your wellbeing and professional growth.
#LI-Hybrid
Kennedy Jenks is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, pregnancy and pregnancy-related conditions, sexual orientation, gender identity, national origin, age, marital status, disability, citizenship status, genetics, protected veteran status, or any other characteristics protected by applicable law.$120k - $175k
...culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services... .... Responsibilities Serve as a key technical contributor on wastewater process projects, supporting planning, design, and optimization...SuggestedWork at officeWork from home2 days per week$100k - $140k
...Water/Wastewater Infrastructure 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...SuggestedLocal areaFlexible hours- ...Job Description Manufacturing Engineer A well-established manufacturer is searching for a Manufacturing Engineer to join... ...Lead training of assemblers to improve and introduce new processes Prepare/manufacture prototypes as required utilizing the...Suggested
$85k - $95k
...sustainable. We have 10 locations across North America and our engineering expertise and operational excellence set us apart from the... ...aerospace and defense industry, utilizing the latest technologies and processes to ensure that we deliver the best possible solutions to our...SuggestedContract workTemporary work$37 - $55 per hour
[Job Description] A reputable engineering consulting company in Federal Way, WA is currently... ..., including stormwater management, wastewater systems, and overall civil site design.... ...in continuous improvement of design processes. [Qualification Requirements] ~ ***...SuggestedPermanent employmentContract workTemporary workFor contractorsWork experience placementCasual workCurrently hiringLocal areaWork from home- ...Job Title Under the direction of the Engineering Manager, perform, supervise, and manage the design and construction of public works... ...(LAG) Manual knowledge desirable. Environmental permitting process requirements for capital projects. Property and Right-of-Way...Full timePart timeFor contractorsLocal areaFlexible hours
$105.73k - $133.88k
...16th Under the direction of the Principal Transportation Engineer, the Traffic Engineer's responsibilities include performing professional... ...will have responsibilities in the City's permit review process, plan and land use, transportation concurrency management program...Full timePart timeWork at officeLocal areaFlexible hours$130k - $185k
...Pipeline Engineer Founded in 1919, KJ has always looked to the future. With a talented... ...Washington offices to support water and wastewater pipeline projects. This role will play a... ...documentation, and support quality control processes. What Makes This Role Different...Contract workWork at officeWork from homeFlexible hours2 days per week$134.26k
...the world. Job Description CDM Smith is a multi-discipline engineering and architectural firm. Our firm is responsible for large-scale flood protection projects, water supply, water and wastewater plant design, transit facilities, and industrial facilities. As a...Contract workFor contractorsH1bRemote work$118k - $148k
...Senior Traction Power Engineer At David Evans and Associates, Inc., our Transportation team blends innovation, sustainability, and a commitment to our communities to navigate modern transportation challenges. We deliver unique solutions through cutting-edge engineering...For contractorsWork at officeLocal areaFlexible hours$98.28k - $184.81k
...Power System Engineer Tacoma Power's Transmission & Distribution (T&D) Section is seeking a Power System Engineer to join their team... ...arrangements with customers, clients and account executives. Serve on process improvement teams to enhance processes and productivity....For contractorsWork at office- ...Manufacturing Engineer 10 Contractor Onsite positions Kent, WA, United States, 98032 Skills: GD&T, Assembly, Test,... ...develop, and implement new or revised manufacturing & production processes for the efficient/economical production of aerospace products....Contract workFor contractorsH1bWork at officeRelocation
- ...Title- Manufacturing Engineer 3 Location- Tukwila, WA, 98168 Duration-12 Months Contract Shift- 6:00 AM-2:3... ...role will have passion, creativity, and an insatiable desire for process improvement and efficiency. We need highly responsible...Contract workShift work
- ...DCS is searching for a performance‑driven Senior Manufacturing Engineer to support US Army programs. A focus on either logistics, engineering... ...and certifications, raw material selection, engineering change process, design modification, use of CAD/CAM systems and manufacturing...
- ...Senior Process Engineer Enjoy exposure to Senior Management while providing technical engineering support to refining production. Work with a team that includes other engineers specializing in various disciplines to provide process design, process control, and technical...Flexible hours
- ...Job Title Manufacturing Engineer Job Description The 737 program is looking for proactive and autonomous Manufacturing Engineers... ...through conceptualization to implementation, identifying process, manufacturing, or tooling improvements, troubleshooting production...Work experience placement
$110k - $135k
...this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Manufacturing Engineer III 6 days ago Requisition ID: 2868 Salary Range: $110-135,000 annually (DOE) Medical (free employee only coverage and...For contractorsWork at officeLocal areaImmediate startShift work- ...Job #: 148135 Title: Manufacturing Engineer 3 Location: Renton, WA Salary Range: 54.05 Position: Manufacturing Engineer Description:... ...production operations by developing and improving manufacturing processes, troubleshooting production issues, and coordinating with...Full timeTemporary workWork experience placementWork at officeDay shift
- ...reference standards in support of inspection procedures Develops engineering specifications and other documents to meet customer needs... ...and qualification of new tools, equipment, materials, parts and processes to meet requirements Performs routine tests and audits to qualify...Work at office
- ...An aerospace company in Renton, WA is seeking 3 Manufacturing Engineers II to join their team! The Manufacturing Engineer is responsible... ...for development and improvement of composite part fabrication processes, methods, and tooling. A successful candidate in this role...
$81k - $95k
...Conagra Performance System Collaborate with Operations, Finance, Engineering, Supply Chain, Maintenance, and other partners Lead capital... ...tasks and the facility will be shared during the hiring process. This role may require you to be in our manufacturing facilities...Local areaFlexible hours- ...Job #: 147960 Title: Manufacturing Engineer 3 Location: Tukwila, WA Salary Range: 54.05 Position: Manufacturing Engineer Description:... ...procurement activities, and ensuring compliance with design and process requirements. This role integrates cross-functional engineering...Full timeTemporary workWork experience placementDay shift
$75k - $100k
...Manufacturing Engineer At AST, we enhance the efficiency, productivity, and safety of flexible aseptic manufacturing processes for the worldwide Life Science Industry by offering innovative products, services, and solutions. Do you want to contribute to a shared...Full timeTemporary workFor contractorsWorldwideFlexible hours$45 - $55 per hour
...responsibility is for optimization, creation, and monitoring of internal processes that directly affect workflow, scrap, on‑time deliveries, and... ...on “5S Lean” tasks and projects Accurate interpretation of engineering (prints) on both molding equipment and production parts Advise...Hourly payFull timeShift work- ...Our client is currently seeking a Manufacturing Engineer 3 Primary Responsibilities: • Assists in the development and implementation of production and tooling methodologies. • Participates as a member of an Integrated Product Team (IPT) in the integration...Work experience placement
- ...Role Xanfab is looking for a mid- to senior-level Manufacturing Engineer to drive the customer experience - measured by quality and on-... ...) environment. This role requires deep technical ownership, process development, custom fixture design, along with the ability to lead...Permanent employmentContract work
$91.48k
...difference and change the world. Job Description With general direction, creates and signs off on basic to highly complex engineering designs involving site layout development, site grading and drainage, hydraulics and hydrology calculations, water distribution systems...H1bLocal area$100k - $150k
...Job Description We are looking for a Civil/Environmental Engineer, with a passion to deliver excellence ! Our primary focus is... ...oversee operations - Leading multiple employees Experience in: Wastewater, water, drainage, roads and bridges, structural, traffic and...Flexible hours- ...candidates to positions in the competitive service. Serves as the Seattle District Bridge Safety Program Manager, Hydraulic Steel Structures (HSS) Program Manager, and as a senior structural engineer subject matter expert for bridges and hydraulic steel structures....
- ...project sites located in Washington, Idaho, and Montana. Performs quality control reviews, independent technical reviews and value engineering studies within the structural discipline. Reviews and approves technical engineering features of design and retrofit...Remote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Wastewater Process Engineer. Be the first to apply!

