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Mechanical Engineer

Hermanson Company · Kent, Washington, United States · Hybrid

Pay: USD 100,000 – 130,000 a year

Posted Sep 3, 2026

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Hermanson Company is a standout Mechanical company that has been doing business in the Puget Sound area since 1979. Over the last four decades we have grown from a family owned sheet metal contractor to a partner led full service mechanical construction, design and maintenance provider playing a significant role in the U.S. national construction industry. By design, Hermanson is a special place to work. Our belief is that people do business with people they like. In keeping with that belief, we strive to hire and retain highly motivated people who are professional, ethically unwavering, and unrelenting in delivering quality results. We are focused on providing a workplace where high performance individuals come together to build dedicated teams driven to accomplish great things for our customers. People love working at Hermanson, because we all share the same Core Values: Clients First – Caring, win-win, value, quality and service attitude Family Matters - Safety, wellness, stability, enjoyment and balance Character Matters – Integrity, accountability, passionate, and caring Team - Trust, honesty, respect, reliable and inclusive Appreciate – Each other, our successes, and enjoy the journey Learn, Grow, Innovate – Challenge the status quo and always compete The Role We are seeking a professional responsible for designing HVAC, piping, and plumbing systems for a variety of facilities, including commercial, high-rise, light industrial, community residential, and critical environments such as laboratories, hospitals, and data centers, with minimal supervision. This role is a hybrid role requiring 3 days working in our Kent office and 2 days working remote. This role will involve supporting the SPD Team and the Engineering/CAD Manager to uphold an innovative and leading-edge Design-Build Mechanical Engineering Department. You will contribute to the mission, vision, strategy, and goals of the Company. Our design targets are set at Best of Class standards, which encompass designs that are Code Compliant, Constructible, Cost Effective, Environmentally Conscious, Creative, and Complete. Responsibilities Supports sales efforts through sales assist work, including schematic scope level designs, written system narratives, system selections, and client presentations. Performs HVAC calculations for loads (Carrier HAP program), ductwork sizing/layouts, equipment selections, and acoustical assessments. Performs piping and plumbing calculations for system sizing, pipe sizing/layouts, equipment selections and utility sizing. Coordinates design with other team members (Design Team [such as owners, architects, general contractors, structural, electrical & civil], Project Manager, Superintendent,…) to ensure design meets customers’ expectations at quoted cost. Review of shop drawings, submittals to assure compliance with design intent. Makes cost and quality effective decisions on systems to develop plans, elevations, system…