Job Description
Job Title:  Senior HVAC Mechanic
Posting Start Date:  8/31/26
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Job Description: 

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<b>WHO WE ARE</b>

<a href=https://www.youtube.com/watch?v=Mk5h5qU9tkI>Lockheed Martin: An Award-Winning Place to Work</a>

<b>WHO YOU ARE</b>

This candidate is responsible for advanced HVAC and mechanical maintenance, troubleshooting, repair, and equipment operation across the Orlando campus. Acts as a senior technical resource on the HVAC/mechanical team, supporting complex troubleshooting, system optimization, preventive maintenance, planned outages, and the technical development of other HVAC personnel.

Provides advanced support for building automation system (BMS) operation and troubleshooting, using alarms, trends, points, schedules, and sequences to diagnose performance issues and failures in mechanical equipment, controls, sensors, actuators, communications, or programming. Performs field verification and repair of HVAC controls within trained capability and coordinates with controls contractors or Engineering when specialized assistance is needed.

Maintains and troubleshoots commercial and industrial HVAC equipment and associated mechanical systems, including air‑handling units, chillers, pumps, cooling towers, exhaust, hydronic loops, variable‑air‑volume systems, controls, and related infrastructure.

Works closely with the HVAC/Mechanical Maintenance Supervisor and Planner/Scheduler to execute planned and emergent tasks. Provides field technical leadership on complex work, assists with recurring‑failure troubleshooting, supports root‑cause analysis, mentors less‑experienced technicians, and coordinates with Engineering and specialized contractors as required. Ensures all preventive and corrective maintenance complies with safety, environmental, quality, technical, and documentation standards. Accurately records work and equipment conditions in LMBuildings and identifies opportunities to improve equipment reliability, BMS performance, sequences of operation, and preventive‑maintenance requirements.

Primary responsibilities include advanced HVAC/mechanical troubleshooting and repair, BMS operation and troubleshooting, controls diagnostics and repair, preventive and corrective maintenance, system performance analysis, planned‑outage support, technical field leadership, technician mentoring, root‑cause troubleshooting, contractor coordination, Quick Path project support, and work‑order documentation. Installs, services, modifies, rebuilds, and repairs air‑conditioning and refrigeration systems and equipment in an industrial or commercial establishment in accordance with applicable building codes and safety regulations. Tasks range from periodic inspection to locate and determine cause of equipment malfunctions to conducting maintenance programs to prevent failure of such equipment as centrifugal compressors, electrical controls, evaporative condensers, pumps, fans, and heating equipment. Charges air‑conditioning systems with refrigerant; checks and tests for leaks; sets and adjusts controls and regulators; fabricates, assembles, and installs ductwork; overhauls equipment. May service, modify, and maintain centralized HAC computer systems and make program corrections. May be required to install and maintain high‑technology clean room environments.

Basic Qualifications

Extensive experience performing commercial, industrial, manufacturing, or facilities HVAC maintenance, troubleshooting, repair, and equipment operation 

Experience independently troubleshooting complex HVAC and mechanical system failures 

Experience operating and troubleshooting building automation systems (BMS/BAS) to diagnose HVAC system and equipment performance issues 

Experience troubleshooting HVAC controls, sensors, actuators, valves, dampers, variable frequency drives, or associated control components 

Experience performing preventive and corrective maintenance on commercial or industrial HVAC equipment and mechanical systems 

Experience reading and interpreting mechanical drawings, control diagrams, equipment schematics, sequences of operation, technical manuals, and equipment documentation 

Working knowledge of HVAC/mechanical safe-work practices, lockout/tagout requirements, and applicable refrigerant handling requirements 

Ability to provide technical guidance and support to other HVAC/mechanical personnel in the field 

Ability to respond to changing priorities and emergent HVAC/mechanical maintenance requirements 

Ability to perform the physical requirements associated with HVAC/mechanical maintenance activities in varying facility environments 

Ability to obtain and maintain required site access/security requirements

Desired Skills

Journeyman-level HVAC experience, HVAC trade certification, or equivalent recognized technical qualification 

EPA Section 608 Universal Certification 

Advanced experience operating, troubleshooting, maintaining, or repairing commercial/industrial building automation and HVAC control systems 

Experience using BMS trends, alarms, point data, schedules, graphics, and sequences of operation to diagnose system performance problems 

Experience identifying whether an HVAC problem originates from mechanical equipment, field controls, BMS logic, communication, or sequence-of-operation issues 

Experience maintaining and troubleshooting air handling units, chillers, pumps, cooling towers, rooftop units, exhaust systems, VAV systems, and associated mechanical equipment 

Experience with chilled water, condenser water, and other hydronic distribution systems 

Experience troubleshooting motors, motor controls, and variable frequency drives associated with HVAC equipment 

Experience supporting HVAC equipment replacement, commissioning, functional testing, or system optimization activities  

Experience utilizing computerized maintenance management systems (CMMS) 

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Pay Information

Full-Time Salary Range: $60300.00 - $112100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.  

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.