Process-Mechanical Engineer

Water At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

We challenge what is currently accepted, so we can shape innovative and lasting solutions for tomorrow. If you are interested in a long and rewarding career working with the industry’s best and most innovative engineering employers, then Jacobs is where you belong. We are looking for a driven and curious Process-Mechanical Engineer to work on water/wastewater projects locally in the Northwest and across the United States.

As a Process-Mechanical Engineer, you will join a core group of water/wastewater and mechanical engineers and designers on studies, designs, and field assignments to deliver innovative solutions to challenging technical problems that our clients face. Your assignments will focus on water/wastewater projects but may also include broader process-mechanical engagements. You will be part of our collaborative team and aligned with Jacobs’ Infrastructure Design Department centered out of Corvallis, OR to provide the following services: 

• Evaluation of pumping, treatment, and process options to determine the best approaches to solve client challenges

• Ability to understand and communicate complex problems and solutions with clients

• Planning and design for full-scale pumping, treatment systems, and treatment plant improvements for construction

• Development of facility layouts and process & instrumentation diagrams (P&IDs)

• Development of construction documents, including drawings and specifications

• Evaluation and selection of process equipment, pumping systems, pipe materials, and valves  

• Data analysis and computer modeling

• Technical report writing 

• Bidding and permitting services support

• Construction services support

• Field inspection of treatment/mechanical equipment

Here's what you'll need

• Bachelor’s degree in civil engineering, mechanical engineering, or related engineering discipline

• Professional Engineer (PE) license

• A minimum of 8 years of progressive process mechanical engineering and project delivery experience with water, wastewater and/or industrial treatment, including planning, evaluations, and design 

• Educational emphasis and a strong interest in treatment and/or mechanical system design and operation

• Self-motivation, team-oriented work practices, strong data analysis skills, technical problem-solving ability, organizational skills, and the ability to effectively multi-task in a fast-paced environment

• Proficient skills with MS Office Suite (Word, Excel, PowerPoint) 

Ideally, you’ll have:

• Master’s degree in civil, mechanical, or related engineering discipline

•10 or more years of direct experience in municipal wastewater treatment or process mechanical for water/wastewater treatment plants, pump stations and conveyance systems experience

• Hydraulic modeling skills (e.g. Fathom, Pipe-Flo)

• Construction or facility operations experience

• Active in relevant professional organizations

• Working with and leading project teams and or managing projects

• Experience working and communicating directly with clients

#LI-KS6

Posted Salary Range: Minimum

102,900.00

Posted Salary Range: Upper

160,800.00

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $102,900.00 to $160,800.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on March 03, 2026. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .

Locations

City State Country
Corvallis	Oregon	United States
Portland	Oregon	United States
Bellevue	Washington	United States
Boise	Idaho	United States