Senior Water/Wastewater Engineer

Overview As part of HDR's Washington Water Business Group, the Wastewater team supports the planning, design, and delivery of water/wastewater treatment and associated municipal projects. In this senior engineer role you will partner with multidisciplinary teams to deliver impactful public infrastructure projects across the region and country. Responsibilities Direct and coordinate work of single or multidisciplinary teams throughout the project life cycle, from development and initiation to close‑out. Manage large multi-disciplinary projects or medium‑sized projects with high technical complexity, involving large project staff. Produce and coordinate several projects concurrently. Establish and maintain client relations and participate in marketing, contractual, design and production meetings. Conduct work sessions for deliverable development with staff and stakeholders. Coordinate staffing and workload through the entire project life cycle, ensuring completion of deliverables on schedule. Track financial aspects of projects and adjust work effort with the team to stay within agreed‑to budget and schedule. Work with Accounting, Operations and Business leadership for periodic project reviews. Implement QA/QC procedures. Supervise large project staffs and mentor less‑experienced Project Managers. Independently create detailed designs, plans, specifications and estimates for pipelines, pump stations, treatment plants, tanks and other wastewater infrastructure. Lead planning, evaluation, and design of wastewater treatment process projects as design or technical lead. Oversee delivery of projects from start to finish, stewarding quality throughout. Provide oversight and mentoring for junior staff. Plan work, communicate with project resources and teams. Maintain client relationships through project work. Establish quality standards and value engineering solutions. Conduct quality control reviews of designs. Serve as a technical expert with recognized authority in wastewater systems. Serve as a project manager on water/wastewater projects as needed. Perform other duties as required. Preferred Qualifications Master's degree in Civil Engineering or equivalent field. PMP certification. Strong technical background and experience in wastewater treatment processes and project delivery. Project engineering and project management experience. Required Qualifications Bachelor's degree in Civil Engineering or equivalent field. Minimum of 10 years experience with municipal water and wastewater systems planning and design. Professional Engineer (PE) license. Strong technical background and experience in designing water distribution systems. Proficiency with Microsoft Office, AutoCAD, MicroStation and hydraulic modeling software. Project engineering and project management experience is necessary. Commitment to an active participation in the company’s employee‑owned culture. Benefits Comprehensive benefits including medical, dental, vision, short‑term and long‑term disability, life insurance, employee assistance program, paid time away, parental leave, paid holidays, retirement savings plan with employer match, employee referral bonus and tuition reimbursement. Compensation ranges vary by location and experience. Location Primary Location: United States‑Washington‑Spokane Other Locations: United States‑Washington‑Everett, United States‑Washington‑Olympia, United States‑Washington‑Seattle, United States‑Washington‑Bellevue, United States‑Washington‑Gig Harbor Industry: Water Schedule: Full‑time Employee Status: Regular Business Class: WW Treatment and Effluent Mgmt Job Posting: Dec 3, 2025 #J-18808-Ljbffr HDR, Inc.