Piping​/Plumbing Engineer

Join a Team Where Engineering Excellence Drives Opportunity. At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we’ve supported mission‑driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic’s world‑class hospitals to enabling discovery in high‑containment laboratories for U.S. agencies and driving environmental progress with Microsoft’s renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility. AEI consistently earns national recognition from leading industry publications and has been named the #1 Laboratory Engineering Firm in the nation.

As a Piping/Plumbing Engineer I in our Seattle office, you will help our clients achieve energy‑efficient building solutions and create a greener future.

• Perform load calculations, determine system sizing and layouts, calculate equipment sizes, and select equipment.
• Complete field surveys and review equipment shop drawings.
• Mentor designers and, as experience grows, lead piping/plumbing project teams.
• Write specifications, participate in project meetings with clients and consultants, and support construction‑phase work.

• BSME or BSAE from an ABET‑accredited school.
• EIT certification (FE exam passed) is a plus.
• 1–3 years experience in the MEP consulting engineering field preferred.

• Strong spoken and written communication skills.
• Excellent organization and time‑management skills.
• Quick technical comprehension and client‑focused motivation.
• Ability to prioritize multiple tasks effectively.
• Proficient working both individually and within team environments.

• Flexible, collaborative environment that prioritizes well‑being and supports your best work.
• Real opportunities for growth through mentorship, professional development programs, and exposure to high‑impact projects.
• Inspiring teammates who challenge the status quo and foster innovation.
• A benefits package including health, dental, vision, retirement, a performance‑based year‑end bonus, and thoughtful perks such as flexible work arrangements, wellness resources, and community‑focused initiatives.

Estimated Starting Salary Range: $80,000 to $100,000.

AEI is proud to be an EEO/AA Employer/Veteran/Disabled.