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HVAC Mechanic Level 3

Northrop Grumman
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Palmdale, CA, USA
Sep 20, 2026
RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman is currently seeking a Level 3HVAC Mechanic to join our team of qualified, diverse individuals! This position will be on site at our Palmdale, CA location.

Essential Functions:

  • 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

  • Performs periodic inspection to locate and determine cause of equipment malfunctions

  • Conducts maintenance program to prevent failure of such equipment as, electrical controls/sensors, 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.

  • Will service, modify, and maintain centralized HVAC computer systems and make program corrections

  • General knowledge of building management systems including Distech, Honeywell, Johnson, and controls systems (DDC, AC and pneumatics)

  • Ability to write and program a sequence of operations using both graphical and line logic programming methods

  • Typically requires completion of a formal apprenticeship or equivalent training and experience

  • Under general supervision of the Controls Supervisor, performs maintenance, calibration, and installation on all plant and facilities EMS/BMS and related controls required to ensure proper operation of steam, water, gas, air, vacuum, cooling and heating systems, and other related building systems and equipment

  • Utilize Computerized Maintenance Management System (CMMS) program software to create process and complete planned and corrective maintenance work orders

  • Performs scheduled preventive maintenance and calibration on machinery, equipment controls, and end devices

  • Troubleshoots programming loops and adjusts as necessary

  • Make recommendations for system fixes and upgrades and communicate effectively with site techs and management

  • Use site facilities dispatch system to communicate with site techs for assistance on issues

  • Ability to work 4/10 (4 days a week/10 hour a day) 2nd shift (3:00pm-1:30am)

Basic Qualifications for a Level 3 HVAC Mechanic:

  • High School Diploma/GED and 4 years of HVAC, Chillers, Cooling Tower, Plumbing and Mechanical Systems

  • Must possess a valid California State driver's license or must acquire a California driver’s license within 30 days from the time of hire

  • Must Possess EPA 608 Universal License or HVAC Certification

  • Must be able to obtain and maintain a Security Clearance

Preferred Qualifications:

  • General knowledge of building management systems including Distech, Honeywell, Johnson, and Staefa controls systems (DDC, AC and pneumatics)

  • Thorough knowledge of site(s)

  • Advanced training of Niagara 4 certification

  • Chiller and cooling Tower experience

  • Experience working with building management systems/environmental controls

  • Aerospace/Defense Industry experience

  • Industrial equipment experience

Primary Level Salary Range: $72,600.00 - $121,000.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Job ID

R10241902

Security Clearance

SECRET
About Northrop Grumman

Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines.

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