Senior Mechanical Engineer

SENIOR MECHANICAL ENGINEER | FAIRFAX, VA SETTY & Associates is seeking a Senior Mechanical Engineer with 10+ years of experience to join our Fairfax, VA office. This senior-level position requires a driven and technically skilled engineer who can lead mechanical design efforts from concept through construction, mentor junior staff, and serve as a trusted representative of our firm in client and team settings. We are looking for a self-starter who thrives in a collaborative, fast-paced environment and brings both technical expertise and leadership capability to every project. Key Responsibilities Independently manage and execute all phases of mechanical design, including conceptual studies, detailed design, engineering calculations, and construction documentation Lead HVAC load calculations, system sizing and selection, specification writing, and energy code compliance Provide design oversight, QA/QC review, and mentorship for junior engineers and designers Respond to RFIs, review shop drawings and submittals, conduct site observations, and support construction administration activities Prepare and manage punch lists and project closeout documentation Interface with clients, project teams, and contractors as a lead mechanical engineer and trusted advisor Contribute to technical standards and innovation initiatives within the mechanical team Qualifications Bachelor's degree in Mechanical Engineering (required) 10+ years of mechanical/HVAC design experience in the AEC industry (required) Professional Engineer (PE) license required Proficiency in AutoCAD and Revit (required) Strong understanding of HVAC design principles, psychrometrics, and mechanical codes Prior experience in markets such as federal, healthcare, laboratory, or pharmaceutical facilities preferred LEED accreditation is a plus Excellent verbal and written communication skills Proven leadership experience and the ability to manage tasks and staff on multiple concurrent projects Highly motivated, adaptable, and capable of working both independently and as part of a team Why Join SETTY & Associates? Competitive salary and performance-based bonuses Uncapped PTO (yes, really!) Comprehensive benefits package Opportunities for professional growth and development A collaborative and innovative work environment