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L3Harris Technologies

Global defense contractor delivering aerospace tech

Facilities Technician D - Hvac

HVAC & Building SystemsUpdated on Nov 14
Full-timePalm Bay, FL, USANo salary listed

About the Job

Requirements

  • A high school diploma or equivalent with 8 years of prior experience, or a two-year post-secondary/associate degree with 4 years of prior experience.
  • 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 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 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.

Desired Qualifications

  • 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 computerized maintenance management system and supporting equipment lifecycle planning.
  • Experience mentoring technicians and coordinating maintenance projects.
  • 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 or scheduled outages, as required.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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