Facilities Technician D (HVAC)

L3Harris Technologies; Palm Bay (FL); On-site; USD 65,000 - 90,000; Full time

Job summary

L3Harris Technologies, Inc. in Malabar, FL is seeking a Facilities Technician, Level D, with advanced HVAC expertise to support the safe operation of facility heating, ventilation, and air-conditioning systems.

You will perform complex troubleshooting, preventive maintenance, and repairs, serving as a technical resource for the facilities team. The role involves coordinating with contractors, documenting work in the CMMS, ensuring safety practices, and providing guidance to junior technicians.

Qualifications

• High School Diploma or equivalent with 8 years prior experience, or 2 year AA Degree and 4 years prior experience
• Demonstrated ability to independently diagnose and repair complex HVAC equipment and system issues
• Working knowledge of refrigeration principles, airflow, HVAC electrical circuits, and mechanical systems
• Ability to read and interpret mechanical drawings, wiring diagrams, control schematics, and equipment manuals
• Experience using HVAC diagnostic equipment, including electrical meters, refrigeration gauges, temperature instruments, and leak detectors
• Ability to prioritize work, maintain accurate records, and communicate effectively with facility personnel and contractors
• Ability to obtain and maintain a United States security clearance
• Availability for on-call coverage (approximately once every 4-6 weeks)

Responsibilities

• Inspect, troubleshoot, maintain, and repair HVAC equipment, including air-handling units, rooftops, and ancillary components
• Diagnose mechanical, refrigeration, electrical, and controls issues using test equipment, drawings, schematics, and docs
• Perform preventive maintenance: filters, belts, lubrication, coils, and condensate systems
• Maintain and repair refrigeration circuits; recover, evacuate, charge, and leak-test systems
• Troubleshoot thermostats, sensors, actuators, dampers, VFDs, and control sequences
• Use building automation systems to monitor operation, investigate alarms, review trends, and adjust as needed
• Identify recurring failures and recommend corrective actions or replacements
• Plan work, identify materials, and coordinate outages to minimize disruption
• Document completed work, equipment condition, refrigerant activity, and follow-up needs in CMMS
• Coordinate contractor work, communicate needs, and document completion
• Provide guidance to less-experienced technicians
• Follow safety requirements including lockout/tagout and safe work practices
• Support general facilities maintenance and respond to urgent HVAC issues
• Participate in after-hours or on-call coverage as required

Skills

HVAC troubleshooting

HVAC systems

Electrical circuits

Reading schematics

Preventive maintenance

CMMS documentation

On-call availability

Education

High School Diploma or equivalent

AA Degree (2-year)

Tools

HVAC diagnostic equipment

Electrical meters

Refrigeration gauges

Temperature instruments

Leak detectors

CMMS

Building automation systems

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Facilities Technician D (HVAC)

Job Code: 47225

Job Location: Malabar, FL

Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

We are seeking a Facilities Technician, Level D, with advanced HVAC expertise to support the safe, reliable, and efficient operation of facility heating, ventilation, and air-conditioning systems. This position independently performs complex troubleshooting, preventive maintenance, and repairs within established procedures and authorization. The technician serves as a technical resource for the facilities team, coordinates with contractors, and recommends improvements to equipment reliability and system performance.

Essential Functions:

• Inspect, troubleshoot, maintain, and repair commercial and industrial HVAC equipment, including air-handling units, rooftop units, split systems, exhaust fans, pumps, and associated components.
• Diagnose mechanical, refrigeration, electrical, and controls-related issues using appropriate test equipment, drawings, schematics, and technical documentation.
• Perform preventive maintenance, including filter replacement, coil cleaning, belt adjustment, lubrication, condensate-system maintenance, and operational checks.
• Maintain and repair refrigeration circuits; recover, evacuate, charge, and leak-test systems in accordance with applicable requirements.
• Troubleshoot thermostats, sensors, actuators, dampers, variable frequency drives, and HVAC control sequences within assigned qualifications and authorization.
• Use building automation systems to monitor operation, investigate alarms, review trends, and make authorized adjustments.
• Identify recurring equipment failures, determine underlying causes, and recommend corrective actions or equipment replacement.
• Plan assigned work, identify materials and replacement parts, and coordinate equipment outages to minimize disruption to facility operations.
• Document completed work, equipment condition, refrigerant activity, and follow-up needs in the computerized maintenance management system (CMMS) and required records.
• Support contractor coordination by communicating maintenance needs, identifying deficiencies, and documenting completion of assigned work.
• Provide task-level technical guidance to less-experienced technicians.
• Follow applicable safety requirements, including lockout/tagout, electrical safe-work practices, refrigerant handling, and safe use of ladders and lifts.
• Support general facilities maintenance activities consistent with training and qualifications.
• Respond to urgent HVAC issues and participate in after-hours or on-call coverage as required.

Qualifications:

• High School Diploma or equivalent with 8 years prior experience, 2 year post-secondary/AA Degree and 4 years prior experience
• Demonstrated ability to independently diagnose and repair complex HVAC equipment and system issues.
• Working knowledge of refrigeration principles, airflow, HVAC electrical circuits, and mechanical systems.
• Ability to read and interpret mechanical drawings, wiring diagrams, control schematics, and equipment manuals.
• Experience using HVAC diagnostic equipment, including electrical meters, refrigeration gauges, temperature instruments, and leak detectors.
• Ability to prioritize work, maintain accurate records, and communicate effectively with facility personnel and contractors.
• Ability to obtain and maintain a United States security clearance.
• Availability for on-call coverage (approximately once every 4-6 weeks).

Preferred Additional Skills:

• Completion of an HVAC apprenticeship or related technical program.
• Applicable HVAC license or certification.
• EPA Section 608 Universal certification.
• Experience maintaining HVAC systems in commercial, industrial, or manufacturing facilities.
• Experience with building automation systems and direct digital controls.
• Experience with chillers, boilers, cooling towers, and hydronic systems, where applicable to the site.
• Familiarity with variable frequency drives, economizers, and equipment performance monitoring.
• Experience supporting temperature- or humidity-controlled spaces.
• Experience using a CMMS and supporting equipment lifecycle planning.
• Experience mentoring technicians and coordinating maintenance projects.
• Work may involve rooftops, mechanical rooms, production areas, outdoor equipment, and other facility spaces.
• Ability to perform the essential functions of the position, with or without reasonable accommodation, including using tools, handling equipment and materials, climbing ladders, and accessing HVAC components.
• Availability for occasional overtime/scheduled outages, as required.

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L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

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