Plumbing Engineer​/Designer - Seattle, WA

Glumac, a Tetra Tech company, is expanding our plumbing engineering group and is seeking a Plumbing Engineer/Designer who is passionate about sustainable design and ready to work on diverse projects. This is an opportunity to work on a wide variety of projects, including healthcare, commercial, multifamily, and educational buildings. Short-term responsibilities include supporting plumbing designs and construction administration; long-term career growth includes building and leading a regional plumbing practice and shaping standards and workflows within the group.

The Plumbing Engineer/Designer will support plumbing and process piping consulting and design efforts from Schematic Design through Construction Administration. The successful applicant will be responsible for plumbing system calculations, consulting clients on system options, technical design deliverables, coordination with other disciplines, QA/QC compliance, and mentoring junior staff. The role requires regular collaboration with internal and external project teams and regular site visits for field observation and investigation.

The ideal candidate is a self-directed, solution-oriented professional with strong communication and organizational skills and a commitment to sustainable practices.

• Support plumbing piping designs and prepare construction documents.
• Perform plumbing calculations including: fixture counts, booster pump head, ejector pump head, domestic hot water loads (including heat pump design), storm water, condensate collection, etc.
• Coordinate with ownership, mechanical, electrical, structural, and architectural teams.
• Support Construction Administration: RFIs, submittal reviews, site visits, and field reports.
• Adhere to QA/QC policies and elevate issues as needed.
• Mentor junior engineers/designers and help grow the local plumbing team.
• Assist with Business Development (BD) opportunities when needed.

• 5+ years in consulting, construction, or similar.
• Proficient in Revit (BIM).
• Strong plumbing design experience (commercial, healthcare, process, multifamily residential and/or manufacturing).
• Clear communicator, organized, solution-oriented, able to work independently.
• Must be located within a commutable distance of Glumac’s Seattle, WA office.
• Applicants must be currently authorized to work in the United States on a full-time basis; this position is not eligible for current or future employment visa sponsorship.

• Valid PE license or CPD certification strongly preferred.
• Medical gas or process piping experience (certifications a plus).
• LEED, LFA, or sustainability credentials (experience with water harvesting/treatment and heat pump water heaters a plus).
• Water treatment knowledge (experience with water softeners, descalers, interceptors, and similar treatment devices a plus).
• Fire protection knowledge (experience with wet/dry systems and dry-agent suppression systems a plus).
• Project Management, Business Development, or prior team leadership experience.

This position offers a hybrid work environment, with a requirement of two in-office days per week in our Seattle, WA office. All candidates must be located in and eligible to work in the U.S.

Salary Range: $100,000 - $135,000

The base salary range represents the low and high end of the compensation scale for this role. Actual salaries will be determined based on location, experience, responsibilities, and qualifications. This salary range is just one component of Glumac’s total compensation package, which includes benefits, professional development opportunities, and additional incentives.

Glumac has been a…