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Linux Systems Administrator, Sr​/TS​/SCI Poly​/Onsite: KoP, PA Security Clearance

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-02-20
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator
Job Description & How to Apply Below
Position: Linux Systems Administrator, Sr / TS/SCI Poly / Onsite: KoP, PA with Security Clearance
Job Number 717180

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 Space division located in King of Prussia, PA. This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information Protection Manuals (CIPM). This includes upgrades, operations and maintenance, Hardware and Software installations, domain accounts, password issues and service requests (Servers, Workstations, and Storage).

In this position the chosen candidate will expand their computer systems skills across servers, workstations, storage, networks, cyber security, and many other aspects. The primary responsibilities will be to perform IT support for the Lockheed Martin Space division. The primary support is to classified environments (Top Secret/SCI). This position provides Linux System Administration services including installation, integration and configuration of Linux and Unix servers, as well as the development and maintenance of Standard Operating Instructions (SOI's) in support of several programs.

This includes upgrades, operations and maintenance, Hardware and Software installations, backups, and service requests in the support of program area IT environments.

Basic Qualifications:

• Must have an active TS/SCI clearance with a CI Poly

• U.S. Citizenship required for access to the work facility

• Ability to obtain a Security+ certification or better within the first 60 days of employment

• Experience with Operating Systems life cycle management and configuration management (i.e., Installation/Upgrades, System Imaging, Account Management, Print Services, integration with Domain Services, Hardware Modernization, Performance Monitoring, etc.)

• Experience using and administrating Red Hat Enterprise Linux (RHEL)

• Experience with vulnerability remediation and security management (i.e., system hardening, log management, configuration management (i.e., Nessus, McAfee, WSUS, SCCM, Ivanti, Shavlik, Blade Logic, Splunk, ACAS, SCAP, HBSS, etc.))
Desired

Skills:

• Knowledge of Linux authentication with Active Directory

• Knowledge of VMWare for virtualization of servers

• Knowledge of National Industrial Security Program Operating Manual (NISPOM), Risk Management Framework (RMF) and Security Technical Implementation Guide (STIG) Requirements

• IT Related Certifications (i.e., MCSE, VMWare, Network+, etc.)

• Knowledge of Open Stack or AWS Experience

• Current Security+ Certification or CISSP

• Knowledge of restoration/storage services (i.e., Net App/EMC hardware, software, tape management, disaster recovery practices)

• Knowledge of Scripting and Automation (i.e., Ansible, Perl, Bash, Power Shell, Shell Scripting, etc.)

• Knowledge of Contractor Off the Shelf (COTS) software installations and support
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
Other Important Information You Should Know
Expression of Interest:
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.
Ability to Work Remotely: Onsite Full-time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules:
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…
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