Facilities, Lead Technician; HVAC Specialist); ONSITE - DULLES VA)

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Join us and help shape the future of aerospace and defense.

The following position is to join our RTX Enterprise Services Facilities Team:

Provide hands‑on leadership for our maintenance operations while serving as the primary subject matter expert for our commercial HVAC systems. This dual-focus role requires a licensed Journeyman HVAC technician with extensive commercial experience who can troubleshoot complex mechanical systems and effectively direct the daily work of facilities personnel.

• Team Leadership & Administration. Serve as the primary contact for operational escalations, urgent service requests, and facility emergencies.
• Oversee external contractors for specialized MEP (mechanical, electrical, plumbing) work, ensuring safety compliance and quality control.
• Assist with Computerized Maintenance Management System (CMMS) for routine repairs and preventative maintenance tasks.
• Commercial HVAC Oversight & Technical Operations. Perform hands‑on maintenance, diagnostic testing, and advanced troubleshooting for chillers, boilers, RTUs, AHUs, VRF systems, and cooling towers.
• Monitor, and optimize Building Automation Systems (BAS) to ensure workplace comfort and maximum energy efficiency.
• Lead preventative maintenance schedules across all mechanical systems to extend equipment life and minimize operational downtime.
• Perform EPA‑compliant refrigerant recovery, charging, and documentation.
• Work from drawings, sketches and manuals to perform system installation work, adjust and replace component assemblies and parts as required to restore service.
• Assist others responsible for completing complex projects for new and refurbished systems.
• Perform similar duties throughout the facility within the scope and skill level of this job description.
• Assist other trades working on joint projects where common skill crossover provides the opportunity for shared responsibilities and more effective use of available skills.
• Adhere to all local, state, and federal building codes, practices, and regulations.
• Will be required to carry a pager and be available for after‑hours support on a rotational basis with the other team members.

• Minimum of 8+ years of facilities HVAC technician and leadership experience and an AA/AS degree (or other 2‑year post high school training).
• Universal EPA Certification.
• Hands‑on experience in commercial HVAC troubleshooting, repair, and operational maintenance.
• General knowledge of Pneumatic controls, thermostats and VAV Boxes.
• Service and repair of environmental‑control systems associated with mechanical systems.
• Working knowledge of HVAC Schematics, electronic wiring diagrams, and architectural/mechanical blueprints.
• Deep expertise reading complex schematics, electrical ladder diagrams, and building blueprints.
• Proficiency in diagnostic tools, digital manifolds, and BAS interface platforms (e.g., Trane Tracer, Johnson Controls Metasys, Honeywell).
• Strong project organization, clear verbal communication, and confidence leading team members under deadline pressure.

• OSHA 10 or 30 Certification.
• Journeyman HVAC License.
• Perform other maintenance‑related tasks, such as troubleshooting and maintaining pump systems, compressed air,…