Senior Process Design Engineer (Technical Lead)

Job ID: 8650Req ID: 436Location: Portland, OR, USAPay: USD 140000 - 200000 (Salary)Posted: 2026-09-23Job Family: Technical Professional - EngineersPay Type: Salary 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 Senior Process Design Engineer in Oregon to lead complex industrial water and wastewater process design work, guide multidisciplinary delivery teams, and help clients develop practical, sustainable, and efficient solutions across diverse market sectors. This role offers the opportunity to shape process design strategy, support delivery from planning through startup, and contribute to the growth of KJ’s industrial water and wastewater practice. As an employee-owned firm, KJ offers you the opportunity to make a meaningful impact on our projects, our clients, and the future of our company. What You’ll Do As a Senior Process Design Engineer (Technical Lead), you’ll contribute across technical leadership, project delivery, client engagement, and collaboration. Lead process design strategy: Serve as Project Technical Lead on complex industrial engineering projects, including wastewater, facilities engineering, and metals finishing work. Develop and test technical solutions: Establish process design approaches, develop process flow diagrams, guide water and mass balances, and direct bench and pilot testing for complex treatment systems. Evaluate alternatives: Prepare options analyses and detailed process design recommendations that balance performance, cost, constructability, and sustainability. Coordinate project delivery: Align technical disciplines, project teams, and client priorities from planning and design through construction, commissioning, and startup. Support project development and client relationships: Support scope, schedule, fee development, negotiation, staffing, and service expansion opportunities with existing clients. Collaborate across KJ: Partner with multidisciplinary teams and travel to client sites, project locations, and KJ offices as needed. What Makes This Role Different Technical influence: Shape solutions for complex industrial water and wastewater challenges where strong process design decisions improve efficiency, reliability, and long-term client outcomes. Full lifecycle impact: Influence projects from early planning and alternatives analysis through design, construction, commissioning, and startup, creating continuity between strategy and execution. Practice growth: Support client relationships, strengthen KJ’s industrial water and wastewater capabilities, and contribute to sustainable, high-impact project delivery. What You Bring Technical leadership and process knowledge: Ability to guide process design decisions, advise project teams, and apply industrial water and wastewater treatment knowledge to complex technical challenges. Project delivery perspective: Understanding of how technical decisions support successful delivery across planning, design, construction, commissioning, and startup. Client and team communication: Ability to collaborate clearly with clients, multidisciplinary teams, and internal stakeholders. Analytical approach: Ability to evaluate options, interpret testing results, and recommend solutions that balance performance, cost, schedule, constructability, and sustainability. Qualifications Education: Bachelor’s or Master’s degree in Chemical, Environmental, Mechanical, Civil, or a related engineering field. Experience: 10 years of engineering experience in investigation, planning, design, construction, and commissioning, including relevant consulting experience. Project management: Experience supporting or leading scope, schedule, and budget oversight for engineering projects. Market sector experience: Experience applying process design solutions across sectors such as mining and metals, pulp and paper, food and beverage, data centers, pharmaceuticals, chemicals, or similar industrial environments. Licensure: Professional Engineer (PE) license in Oregon required. Travel: Ability to travel to client and project sites as needed for client visits, meetings, project coordination, and collaboration with other KJ offices. Additional preferred qualifications: Familiarity with computer-aided drafting and design tools such as AutoCAD, BlueBeam, Revit, or similar platforms. 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 $1 4 0,000 to $ 20 0,000 , 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.