Commercial HVAC Service Technician

Posted Friday, March 20, 2026 at 4:00 AM Ready for a career upgrade? Fidelity Mechanical Services is looking for skilled HVAC Journeyman Service Technicians to join our growing team in Sparks, MD As an HVAC Journeyman Service Technician, you will be responsible for diagnosing, repairing, and maintaining commercial, data center, and industrial HVAC equipment at customer sites. This role requires strong technical ability, excellent customer communication skills, and the ability to work independently in a fast-paced service environment. Don’t just work a job — build your career. Apply today and let’s grow together! Key Responsibilities Perform preventive maintenance and service on commercial HVAC systems, including RTUs, AHUs, CRAC units, VAVs, heat pumps, chillers, boilers, cooling towers, and pumps. Diagnose and repair HVAC system issues, troubleshooting mechanical, electrical, and refrigerant-related faults, including leak detection, recovery, charging, and performance testing per EPA regulations. Support building automation and controls, including troubleshooting, adjustments, and interpreting mechanical drawings, wiring diagrams, and control schematics. Service and maintain system components, such as coils, belts, bearings, motors, filters, and related mechanical parts. Complete emergency and scheduled service calls, providing accurate documentation in company software, including parts used, diagnostics, recommendations, and labor. Communicate effectively with customers and internal teams regarding service findings and next steps, while adhering to all company safety policies and participating in the on-call rotation. Qualifications 4+ years of commercial HVAC service experience or completion of a recognized HVAC apprenticeship. Strong knowledge of commercial HVAC systems, controls, and refrigeration fundamentals. Experience in mission-critical environments (data centers, telecom facilities, etc.). Ability to diagnose electrical, mechanical, and refrigerant system issues without supervision. Strong communication skills and professional customer interaction. Valid driver’s license and acceptable driving record. Ability to lift 50+ lbs, work on ladders, rooftops, and in mechanical rooms. Why You’ll Love Working Here Competitive pay & benefits package Health & Wellness: Comprehensive medical, dental, and vision plans to keep you and your family covered, including free preventive care and affordable prescription options. Life & Disability Insurance: Company-paid life insurance and disability coverage, with options to enhance your benefits. Retirement Savings: 401(k) plan with a generous company match to help secure your future, with immediate vesting. Paid Time Off: Enjoy paid holidays and a PTO plan that grows with your years of service. Opportunities for Career Advancement & Professional Development: We provide education assistance to help you grow your skills and your career. Extra Perks: Flexible spending accounts, employee discounts, and 24/7 confidential support through our Employee Assistance Program. About Us Fidelity Mechanical Services is the premier provider of HVAC/Mechanical design, installation, and service in the Mid-Atlantic region. We provide precision end-to-end Mechanical and Energy Solutions for some of the nation’s leading developers, property managers, mission-critical facilities, and Fortune 500 companies. For over 75 years, our mission has been to create high-performance buildings by applying the latest in energy efficiency technologies and to deliver Proactive, World-Class Service. #J-18808-Ljbffr Fidelity Mechanical Services