Toltz, King, Duvall, Anderson, and Associates, Inc.

Professional Engineer, Mechanical - Industrial Process Piping & HVAC

Toltz, King, Duvall, Anderson, and Associates, Inc.

Seattle, WashingtonFull Time (40)Posted Dec 29, 2025

Job description

Ready to make an impact? Our employee-owned, multi-disciplinary team is looking for a Professional Mechanical Engineer to join our Rail group in Seattle! This isn’t just another engineering role, you’ll be part of a collaborative team of Mechanical, Electrical, Civil, Structural, and Architecture professionals working on projects that keep the nation moving.

From Class I and shortline railroads to commuter rail agencies, transit, municipalities, ports, and private developers, you’ll help design and deliver solutions that matter. What you’ll do:

  • Work on a variety of projects, from fueling facilities, loading/unloading systems, maintenance facilities, tank farms, pump houses, railyard operations, and more.
  • Develop plans, studies, and detailed designs for industrial mechanical systems and building systems. Create process flow diagrams, piping and instrumentation diagrams, equipment layouts, and HVAC/plumbing systems.
  • Support construction administration, interpret plans, observe operations, and ensure everything meets specs.
  • Partner directly with clients and internal teams to define scope, manage budgets and schedules, and maintain quality standards. Why you’ll love it here:
  • Have a voice in shaping our projects, we’re employee-owned, so your ideas matter.
  • Work on projects that make a real difference in transportation and infrastructure.
  • Collaborate with a team that values creativity, problem-solving, and growth.