Senior Mechanical MEP Engineer (Building Services)

Thompson & Litton Inc•Radford, VA
•$101,000 - $131,000•Hybrid

About The Position

Thompson & Litton is seeking a self-motivated Senior Mechanical Engineer – Building Services to join their multidisciplinary team. This role involves driving high-efficiency HVAC load strategies, mentoring junior engineers, and leading complex MEP projects from concept to completion across commercial, industrial, and institutional portfolios. As a 100% employee-owned company, team members are stakeholders who share in the company's growth and success. The role offers a flexible work environment with adaptable scheduling to support work-life balance, a broad project scope, and significant investment in professional growth through leadership tracks, industry conferences, and advanced credentials. The company fosters a mentorship culture where guidance of junior staff is highly valued.

Requirements

  • 6+ years of progressive experience in building services design (specifically HVAC, Plumbing, and Fire Protection) within commercial, industrial, or institutional sectors.
  • Active Professional Engineer (PE) license in the state of practice required (or ability to obtain via reciprocity within 6 months of hire).
  • Proficiency in—or demonstrated leadership using—AutoCAD, Revit, and HAP (Carrier) or equivalent building performance simulation software.
  • Deep working knowledge of mechanical and building codes and standards (including ICC, ASHRAE, and NFPA).
  • A proven track record of delivering complex building services projects on time and on budget while serving as a key liaison for clients and multidisciplinary teams.

Responsibilities

  • Drive the production of comprehensive mechanical building services packages, including advanced HVAC, plumbing, and fire protection plans.
  • Oversee critical calculations for HVAC loads, energy usage, and life-cycle costs to deliver sustainable, high-performance building solutions.
  • Lead site visits for renovations and additions, gathering data for seamless building systems integration.
  • Author and review technical specifications, engineering reports, and building system condition assessments.
  • Direct construction-phase administration, including managing RFIs, submittal reviews, and field assessments to ensure high-quality execution.
  • Share expertise to support the technical growth and career development of junior and mid-level engineering staff.

Benefits

  • 100% Employee-Owned (ESOP)
  • Flexible Work Environment
  • Adaptable scheduling
  • Professional Growth opportunities
  • Specialized leadership tracks
  • Industry conferences
  • Advanced credentials
  • Mentorship Culture
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