Sr. Mechanical Engineer

Why Join Thompson?

Design Meaningful Projects. Build a Meaningful Career.

At Thompson Consulting Engineers, we’ve spent more than 70 years building lasting relationships—with our clients, our communities, and our employees. Our success is built on collaboration, technical excellence, and a commitment to helping every team member grow professionally.

You’ll work alongside experienced engineers, designers, and project managers in a collaborative environment where mentorship, technical development, and client relationships are part of the day-to-day work.

Responsibilities

What You’ll DoMechanical Systems Design

• Lead the design of mechanical building systems, including HVAC systems, central plants, and associated building infrastructure.
• Perform engineering studies, system analyses, calculations, equipment selection, and mechanical system layouts.
• Prepare complete programming documents, schematic designs, design development documents, and construction drawings.
• Ensure designs comply with applicable codes, industry standards, and Thompson Consulting Engineers’ quality control procedures.

Project Leadership

• Collaborate with clients to develop and validate project scope and design objectives.
• Lead the mechanical scope of projects while working with project managers to meet budgets, schedules, contract requirements, and client expectations.
• Coordinate mechanical design with architects, owners, contractors, and multidisciplinary engineering teams.
• Provide quality control reviews and technical oversight for mechanical projects.

Construction Administration & Commissioning

• Provide engineering support throughout bidding and construction.
• Prepare addenda and respond to contractor questions during bidding.
• Review RFIs, shop drawings, and field conditions during construction while representing the firm on-site as required.
• Support commissioning activities, including commissioning proposals, plans, reports, project reviews, Pre-Functional Checks (PFCs), Functional Performance Tests (FPTs), and Operation & Maintenance Support Information (OMSI) documentation.

Leadership & Mentorship

• Direct, mentor, and support the professional development of junior mechanical engineers, designers, and commissioning staff.
• Provide technical guidance and promote engineering best practices across the mechanical department.
• Demonstrate strong leadership and sound engineering judgment throughout all phases of project delivery.
• Foster a collaborative, client-focused environment built on technical excellence and responsive service.

Qualifications

What We’re Looking ForRequired Qualifications

• Bachelor’s degree in Mechanical Engineering from an accredited university.
• Professional Engineer (P.E.) license in Virginia or the ability to obtain Virginia licensure immediately.
• Eight or more years of experience designing mechanical building systems.
• Experience working on K-12, municipal, commercial, office, retail, data center, government, and similar building projects.
• Proficiency with the latest versions of AutoCAD and Autodesk Revit.
• Demonstrated experience leading projects and mentoring technical staff.
• Excellent communication, organization, and critical thinking skills.

Preferred Qualifications

• LEED Accredited Professional (LEED AP).
• Construction administration and commissioning experience.
• Experience supervising multidisciplinary project teams.
• Strong commitment to client service, technical quality, and continuous professional development.
• Experience performing quality control reviews for engineering projects.