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HVAC Mechanic Level 3

El Segundo, CA

Job Description

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: NoneTRAVEL: 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 seeking an HVAC Mechanic Level 3 to to join our team of qualified, diverse individuals! This position will be on site supporting our South Bay California Facilities in El Segundo, CA.
This hands-on position requires knowledge and experience in repairs and maintenance of facilities and/or machines and equipment. The role is fully on-site; hybrid or remote work is not available.
Key Responsibilities:

• Perform repairs and maintenance in plant or office facilities, or on machines and equipment (AHUs, Chillers, Cooling Towers, VAVs, Heaters, Boilers, Air Compressors, Air Dryers, Coolers, Freezers).
• Conduct routine, periodic, or special inspections to determine necessary repair and maintenance work to prevent breakdowns.
• Use hand and power tools to troubleshoot, test, inspect, and repair machines and equipment.
• Review and follow blueprints, sketches, layouts, wiring diagrams, drawings, and specifications.
• Install, service, modify, rebuild, repair, and perform preventive maintenance on HVAC and refrigeration systems in accordance with applicable building codes and safety regulations.
• Monitor and maintain centralized HVAC building automation systems, including pneumatic systems and direct digital control
• Document and maintain records for the Maintenance Department, including preventive maintenance activities and service reports.
• Be physically capable of working in high places from ladders, able to lift over 50 lbs, and follow exacting written and verbal instructions.
• Work on an on-call basis and handle responsibilities assigned by management.
Basic Qualifications:

• High School Diploma or equivalent, with 4 years of experience in HVAC, chillers, cooling towers, plumbing, and mechanical systems.
• Must own Basic HVAC Tools
• Must possess a Universal EPA License 608 and an Active California Driver's License.
• Ability to work 9/80B Schedule
Required for All Levels:

• Experience working in one or more of the maintenance trades: machine and equipment repair, machine controls, and/or electrical.
• Familiarity with electrical/electronic components related to air conditioning and refrigeration equipment.
• Experience working within a Central Plant.
Preferred Qualifications:

• Written and Verbal Communication Skills
• Strong Interpersonal Skills.
• Ability to obtain and maintain a Security Clearance.
• Strong commercial HVAC and refrigeration experience.
• Experience in Aerospace/Defense Industry.
• Strong computer, math, analytical, and planning skills.
• Experience with building maintenance management and tracking systems (work orders, Computer-Aided Facilities Management, Maximo).
• Knowledge of building automation control systems and troubleshooting I/O.
• Good communication skills and experience with Microsoft Outlook
• Experience working on HVAC equipment in a manufacturing environment that serves production machines.
Join us at Northrop Grumman to make history and impact lives for generations to come!
We offer phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly collaborative workplace. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do. Does this sound like you?
At Northrop Grumman, we are innovating-- building the next generation of sophisticated aircraft to protect our country. Our diverse portfolio of programs means there are endless paths to cultivate your career. We are well-known for our inclusive, family environment, as well as our excellent work/life balance. We also offer exceptional benefits/healthcare, a 9/80 schedule, and a great 401K matching program.
Primary Level Salary Range: $70,400.00 - $117,400.00The 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.PDN-9fbb2ef5-f6f2-4152-b383-c1a5e0a73d78
RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: NoneTRAVEL: 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 seeking an HVAC Mechanic Level 3 to to join our team of qualified, diverse individuals! This position will be on site supporting our South Bay California Facilities in El Segundo, CA.
This hands-on position requires knowledge and experience in repairs and maintenance of facilities and/or machines and equipment. The role is fully on-site; hybrid or remote work is not available.
Key Responsibilities:

• Perform repairs and maintenance in plant or office facilities, or on machines and equipment (AHUs, Chillers, Cooling Towers, VAVs, Heaters, Boilers, Air Compressors, Air Dryers, Coolers, Freezers).
• Conduct routine, periodic, or special inspections to determine necessary repair and maintenance work to prevent breakdowns.
• Use hand and power tools to troubleshoot, test, inspect, and repair machines and equipment.
• Review and follow blueprints, sketches, layouts, wiring diagrams, drawings, and specifications.
• Install, service, modify, rebuild, repair, and perform preventive maintenance on HVAC and refrigeration systems in accordance with applicable building codes and safety regulations.
• Monitor and maintain centralized HVAC building automation systems, including pneumatic systems and direct digital control
• Document and maintain records for the Maintenance Department, including preventive maintenance activities and service reports.
• Be physically capable of working in high places from ladders, able to lift over 50 lbs, and follow exacting written and verbal instructions.
• Work on an on-call basis and handle responsibilities assigned by management.
Basic Qualifications:

• High School Diploma or equivalent, with 4 years of experience in HVAC, chillers, cooling towers, plumbing, and mechanical systems.
• Must own Basic HVAC Tools
• Must possess a Universal EPA License 608 and an Active California Driver's License.
• Ability to work 9/80B Schedule
Required for All Levels:

• Experience working in one or more of the maintenance trades: machine and equipment repair, machine controls, and/or electrical.
• Familiarity with electrical/electronic components related to air conditioning and refrigeration equipment.
• Experience working within a Central Plant.
Preferred Qualifications:

• Written and Verbal Communication Skills
• Strong Interpersonal Skills.
• Ability to obtain and maintain a Security Clearance.
• Strong commercial HVAC and refrigeration experience.
• Experience in Aerospace/Defense Industry.
• Strong computer, math, analytical, and planning skills.
• Experience with building maintenance management and tracking systems (work orders, Computer-Aided Facilities Management, Maximo).
• Knowledge of building automation control systems and troubleshooting I/O.
• Good communication skills and experience with Microsoft Outlook
• Experience working on HVAC equipment in a manufacturing environment that serves production machines.
Join us at Northrop Grumman to make history and impact lives for generations to come!
We offer phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly collaborative workplace. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do. Does this sound like you?
At Northrop Grumman, we are innovating-- building the next generation of sophisticated aircraft to protect our country. Our diverse portfolio of programs means there are endless paths to cultivate your career. We are well-known for our inclusive, family environment, as well as our excellent work/life balance. We also offer exceptional benefits/healthcare, a 9/80 schedule, and a great 401K matching program.
Primary Level Salary Range: $70,400.00 - $117,400.00The 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.PDN-9fbb2ef5-f6f2-4152-b383-c1a5e0a73d78

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip out customers with the capabilities they need to connect and protect the world and push the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers’ toughest problems, our nearly 100,000 employees contribute to launching the technology of tomorrow, today.

© 2025 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.

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HVAC Mechanic Level 3
Northrop Grumman
El Segundo, CA
Aug 27, 2025
$70,400 - $117,400 a year
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