Mechanic Heating A​/C Spec

Job : 715926  
Date posted: Feb. 12, 2026
Description:
What We're Doing

At Lockheed Martin Manassas, we are enabling national security by supporting mission-critical operations through exceptional facility performance. Our Facilities Team plays a key role in ensuring that complex building systems operate efficiently, safely, and reliably in support of vital defense technologies. Every system we maintain supports a higher mission-delivering innovation and security to the nation.

The Work

As a Facilities HVAC Technician, you will perform day-to-day operations and maintenance of a wide range of facility systems.

You'll be responsible for installing, servicing, modifying, rebuilding, and repairing HVAC and related mechanical systems within a commercial or industrial environment.

All work must comply with building codes, safety regulations, and EPA 608 standards.

Key Responsibilities Include:

Cleaning, maintaining, and troubleshooting large-capacity HVAC systems

Maintaining and servicing site utilities, air handlers, exhaust fans, cafeteria equipment, split-case pumps, hot water systems, and plumbing fixtures

Operating and maintaining steam generators and piping systems

Performing preventive and predictive maintenance using
techniques such as:

Pump alignment
Infrared thermography
Vibration analysis
Ultrasound detection

Troubleshooting electrical, mechanical, and control system issues

Reading and interpreting blueprints and schematics

Operating the computerized Building Management System (BMS) and responding to system alarms

Recording, reviewing, and interpreting equipment/system data

Working safely at heights using aerial lift platforms and ladders

Using hand and power tools, torches, refrigeration gauges, and multimeters

Utilizing proper PPE at all times in accordance with safety procedures

Lifting up to 30 pounds with or without reasonable accommodation

Who We Are

Lockheed Martin is a global aerospace and defense leader committed to solving complex challenges and protecting national interests. At our Manassas, VA facility, our Facilities team supports cutting-edge defense programs by ensuring safe, secure, and efficient site operations. Our culture values integrity, innovation, and the skilled professionals who make mission success possible every day.

Who You Are

You are a skilled HVAC professional who thrives in a fast-paced environment where safety, precision, and compliance are critical.

You're mechanically inclined, detail-oriented, and possess the ability to troubleshoot and maintain a variety of facility systems.

You take pride in your craftsmanship and understand the vital role your work plays in supporting national defense.

Basic Qualifications:

High school diploma or equivalent

2 years of HVAC trade school or equivalent certification

Minimum of 5 years' hands-on experience with HVAC systems

EPA 608 CFC Universal Certification (required)

Ability to obtain and maintain an active DoD Secret clearance

Valid driver's license

Experience with electrical, mechanical, and control system troubleshooting

Proficiency in reading blueprints and interpreting technical documentation

Familiarity with Building Management Systems and computerized alarm systems

Skilled in the use of hand and power tools, refrigeration gauges, torches, and multimeters

Comfortable working from ladders and aerial lift platforms
Ability to lift 30 pounds with or without accommodation

Why Join Us

At Lockheed Martin, you won't just maintain systems-you'll support missions that matter. Join a company known for innovation, integrity, and excellence. We offer competitive compensation, industry-leading benefits, and ongoing training to help you grow your skills and advance your career. You'll be part of a trusted team whose work directly contributes to national security and technological leadership.

Learn more about Lockheed Martin's Comprehensive
Basic Qualifications:
2 years HVAC trade school or equivalent certification.
High school degree or equivalency.

Must have at least 5 years' experience with Heating, Ventilation and Cooling (HVAC).

Must have EPA 608 CFC Universal certification.

Candidates must be able to obtain and maintain an Active DoD government Secret level clearance

Can…