Journeyman Mechanic (Union)

We are seeking an HVAC Journeyman Mechanic to join our federal team at Aberdeen Proving Grounds. The team maintains and services HVAC equipment for multiple buildings across the base. Military experience is not required.

Responsibilities

• Complete assigned maintenance and service duties, including inspecting, diagnosing, servicing, repairing, and performing preventive maintenance on commercial and industrial HVAC equipment.
• Troubleshoot and resolve primarily mechanical HVAC problems, as well as some electrical and control issues.
• Respond to service and warranty calls.
• Inspect, diagnose, service, and repair mechanical systems using a variety of tools and instruments.
• Perform specified preventative maintenance such as belt adjustments, oiling, greasing, and cleaning of equipment.
• Recover, reclaim, and recharge refrigerant.
• Perform testing, collect, and deliver samples for analysis.

Required Qualifications

• 5+ years of commercial and/or industrial HVAC mechanical troubleshooting and service experience.
• Valid driver’s license.
• Good verbal and written communication skills.
• Ability to obtain and maintain required government clearance and any worksite‑specific badges (background, work experience, education, financial/credit, and criminal history checks).
• Active Department of Defense Secret or Top‑Secret clearance preferred.

Preferred Qualifications

• Mechanical Journeyman License.
• Chiller maintenance experience.
• Welding/pipe‑fitting skills.
• Knowledge of boilers (steam/hot water) operation and service.
• Knowledge of Building Automation Systems (Metasys, Tridium).
• Current member of local union 486 or 602.

Pay

Journeyman Rate (Union: 486).

Benefits

• Benefits provided through the local union.
• Company vehicle.
• Cell phone.
• All necessary tools supplied.

Travel Required

None – all work is based at the Aberdeen Proving Grounds.

Union

This is a bargaining‑unit position (Union 486).

About Johnson Controls

Johnson Controls Federal Systems (JCFS) is a specialized team serving as a trusted partner to the federal government, modernizing U.S. military installations, the Department of Defense, and other federal agency facilities to be smarter, more resilient, efficient, sustainable, and secure. As a Fortune 500 company with over 100,000 employees worldwide, Johnson Controls offers a large portfolio of building technology products, solutions, and services. The company has been recognized for leadership in environment, sustainability, and governance, including listings on Fortune’s “Most Admired Companies,” Corporate Knights Global 100, Forbes Net Zero Leaders, and multiple diversity and ethical workplace honors.