Mechanical HVAC Design Engineer - 5 - 10 years

Senior Mechanical EngineerCompany Name: Alliant Systems Location: Portland, OR Project Focus: Commercial, Healthcare, Educational, and Manufacturing Work Setting: In-Office / Flexible Salary: $130,000 - $160,000 DOE + Comprehensive Benefits Package Recruited Exclusively By: Luxus | AEC Talent PartnersPosition OverviewAre you a high-caliber engineer ready to transition from drafting systems to architecting the mechanical future of the Pacific Northwest? We are seeking a Senior Mechanical Engineer to serve as a technical linchpin within our premier design-build division. In this role, you aren't just calculating loads; you are a strategic lead, responsible for the lifecycle of sophisticated HVAC systems that power the region's most critical infrastructures-from sterile healthcare environments to high-rise commercial towers.Joining our team means stepping into an elite, integrated platform where the traditional friction between engineering and construction is eliminated. We offer a legacy-building opportunity where your designs are realized in real-time by our in-house construction and commissioning teams. This is a high-impact role designed for a visionary professional who thrives on technical autonomy, mentorship, and the drive to deliver sustainable, award-winning mechanical solutions.Core ResponsibilitiesSystem Architecture & Design: Lead the high-level design and engineering of complex HVAC systems, ensuring every solution is optimized for energy efficiency, code compliance, and client-specific operational needs.Design-Build Integration: Collaborate seamlessly with the pre-construction and field teams to bridge the gap between conceptual engineering and physical installation, ensuring a "one-stop" high-quality delivery.Technical Stewardship: Oversee the production of rigorous engineering calculations, detailed construction documents, and high-fidelity technical specifications.Leadership & Mentorship: Steer the professional development of junior engineers, providing the technical oversight and career coaching necessary to maintain the firm's standard of excellence.Stakeholder Management: Act as the primary technical interface for clients, contractors, and multidisciplinary partners, translating complex mechanical concepts into actionable project milestones.Innovation & R&D: Evaluate and integrate emerging technologies and sustainable industry trends to continuously sharpen the firm's competitive edge and service offerings.Project Oversight: Manage multiple high-priority projects simultaneously, maintaining an uncompromising standard of quality from initial feasibility through to final commissioning.Required QualificationsEducation: Bachelor of Science in Mechanical Engineering (BSME) from an ABET-accredited institution.Licensure: Active Professional Engineer (PE) License is mandatory.Experience: 7-10 years of progressive experience in HVAC design within the AEC industry.Software Proficiency: Expert command of Revit MEP, AutoCAD, and industry-standard load calculation software (e.g., Trace 700, HAP).Technical Mastery: Deep knowledge of IBC, IMC, and ASHRAE standards, with a proven track record of delivering successful projects in the commercial or industrial sectors.Preferred QualificationsSector Expertise: Specialized experience in OSHPD/Healthcare requirements or high-tech manufacturing cleanrooms.Sustainable Design: LEED AP credential or experience with Net Zero energy modeling.Regional Knowledge: Established familiarity with Oregon and Washington building codes and energy jurisdictions.Strategic Vision: Previous experience in a lead or principal-track role within a design-build environment.About Alliant SystemsAlliant Systems is a leading design-build mechanical contractor serving Oregon and Southwest Washington. With a comprehensive suite of services including new construction, tenant improvement, energy services, and commissioning, we provide an integrated platform that saves our clients time and stress. Our culture is built on a foundation of collaboration and excellence, fostering an environment where innovation is rewarded and employee growth is a core priority.About Luxus | AEC Talent PartnersLuxus is an exclusive AEC recruiting firm managing this search on behalf of Alliant Systems. We partner with the most prestigious structural, civil, and architectural firms in the country to connect top-tier talent with legacy-building opportunities. Not the perfect fit for this role? We still want to hear from you. Our network is constantly expanding with exclusive, unlisted positions across the AEC sector. Connect with us today to discuss your career trajectory.Keywords: Senior Mechanical Engineer, PE License, HVAC Design, Design-Build, Portland Engineering Jobs, Revit MEP, ASHRAE, Mechanical Contracting, Energy Services, Construction Administration, MEP Coordination, LEED, HVAC Systems, Project Leadership, AEC Industry.

Created: 2026-04-02