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IT Systems Administrator, Sr. (Level 3) ​/ Onsite: Palmdale, CA

Job in Palmdale, Los Angeles County, California, 93552, USA
Listing for: Lockheed Martin Corporation
Full Time position
Listed on 2026-07-30
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, Systems Engineer
Salary/Wage Range or Industry Benchmark: 85500 - 150765 USD Yearly USD 85500.00 150765.00 YEAR
Job Description & How to Apply Below
Job Description

Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.

This Enterprise Operations (EO) position supports the Lockheed Martin Aeronautics Division located at the Palmdale, CA facility.
The selected candidate will function as part of the IT support team; managing a closed development network, ensuring patching, STIGing, and infrastructure deployments for their assigned program. They will perform Systems Administration across multiple platforms including RHEL, Windows Server, and Windows 11.

No clearance required to start with the ability to obtain a Top Secret Clearance after being hired
ship Required for this facility.

Basic Qualifications

Experience with Windows Operating Systems (Windows 10/11, Server 2016, 2019, 2022, etc.)

Experience with Linux Operating Systems (Red Hat Linux 7/8/9)

Experience with Risk Management Framework (RMF) Requirements and Security Technical Implementation Guide (STIG) Implementation

Experience with vulnerability remediation and security management (system hardening, log management, configuration management (i.e., Nessus, McAfee, Shavlik, SCAP)
Must possess DoD 8570 IAT Level II or III certification (i.e. Security+, CASP, CISSP)
Ability to lift and carry 30 lbs, including up and down stairs.
Ability to rack and cable server infrastructure

Desired skills

Knowledge of Virtualization (i.e., VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN or VXRail)
Knowledge of storage service administration (i.e., Net App/EMC hardware, software, tape management, disaster recovery practices)

Experience with creating domain-wide automated solutions.
Knowledge of Network Protocols (i.e., TCP/IP, DNS, DHCP, LDAP, etc.)

Experience with desktop and server operating system updates and patching troubleshooting
Active Top Secret clearance preferred
8140 Certifications (i.e. Security +, MCSE, VMWare, Network+, etc.)
Outstanding work ethic
Self-motivated, customer focused, and proactive
Able to professionally deal with quick and drastic changes
Capable of supporting multiple tasks and customers with competing deadlines concurrently

EEO

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.

*

At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.

Other Important Information

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Work Schedule Information

Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.

National Pay Statement

Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information 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/…
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