Commissioning Engineer

FST  |  TECHNICAL SERVICES
QUALITY ASSURANCE  •  QUALITY CONTROL  •  COMMISSIONING Commissioning Engineer | PE Required Northern Virginia  •  Full-Time  •  Commercial / Industrial / Mission-Critical Facilities
# About FST Technical Services
FST Technical Services provides quality assurance, quality control, and commissioning expertise for complex projects across the data center, semiconductor, life sciences, industrial, and commercial construction sectors.
# Position Overview
FST Technical Services is seeking a PE-licensed Commissioning Engineer to support complex building and industrial systems projects in Northern Virginia. This position focuses on commissioning, functional performance, and integration of mechanical, electrical, controls, and life-safety systems. The successful candidate understands not only individual equipment performance, but also how interconnected systems operate together to deliver safe, reliable, and efficient facilities.
# Key Responsibilities

- Plan, coordinate, and execute commissioning activities, including commissioning plans, checklists, functional performance testing (FPT), integrated systems testing (IST), and final documentation.
- Verify installation, startup, operation, and interoperability of HVAC, building automation, electrical distribution, and life-safety systems against design intent and sequences of operation.
- Evaluate pumps, fans, motors, air ventilation systems, chillers, boilers, steam distribution, heat absorption/thermal systems, and associated controls.
- Review design drawings, specifications, submittals, control diagrams, and sequences of operation; identify commissioning risks and performance deficiencies.
- Troubleshoot system interfaces, coordinate corrective action with contractors and design teams, and retest to verify resolution.
- Assess building performance, system optimization, operational reliability, and energy-efficiency opportunities.
- Coordinate with owners, general contractors, trade partners, design engineers, equipment vendors, and facility operations teams; maintain issue logs and deliver clear commissioning reports.

Required Qualifications

- Active Professional Engineer (PE) license required; ability to obtain Virginia licensure by comity/reciprocity if required for the assignment.
- At least 3 years of direct, hands-on commissioning experience with commercial, industrial, or mission-critical building systems.
- At least 5 years of total relevant experience in commissioning-related engineering, construction engineering, industrial engineering, commercial construction engineering, or a closely related technical field. The 3 years of commissioning experience may count toward the 5-year total.
- Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Construction Management, or a related field preferred; extensive relevant field engineering experience may be considered in lieu of a degree, provided the candidate meets PE licensure and experience requirements.
- Demonstrated ability to manage or oversee interconnected mechanical, electrical, and building automation systems; read technical drawings and troubleshoot sequences of operation.
- Experience coordinating field activities with contractors, engineers, and facility stakeholders.

Technical Systems Experience

- Mechanical: HVAC, air handling and ventilation, pumps, fans, motors, chillers, boilers, chilled-water and steam distribution, thermal/heat-absorption systems.
- Automation and controls: BAS/BMS, controls integration, sequences of operation, trending, functional testing, and system optimization.
- Electrical and life safety: electrical distribution, motor controls, fire alarm systems, and cross-system interface testing.

Preferred Qualifications

- Commissioning experience on data centers, large commercial buildings, industrial facilities, or other mission-critical projects.
- Experience leading multi-discipline commissioning activities and integrated systems testing.
- Knowledge of ASHRAE commissioning guidance, applicable codes, construction turnover, and operational readiness.
- Strong documentation, communication, and technical problem-solving skills.

# Work Environment & Physical Requirements
Work takes place in active construction and operational facility environments. Must be able to walk and stand for extended periods, navigate stairs and ladders, access mechanical/electrical areas, wear required PPE, and lift up to 25 pounds as needed. Site conditions may include indoor and outdoor work.
# Why FST
Join a growing technical services organization supporting sophisticated facilities and critical infrastructure. FST offers competitive compensation, comprehensive benefits, and opportunities for professional growth.
# Equal Employment Opportunity
FST Technical Services is an Equal Opportunity Employer. Employment decisions are made without regard to any legally protected status.

Salary is open for discussion/negotiation based on candidate experience
$100k-$140k