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Linux System Administrator​/TS​/SCI W​/Poly- Littleton, CO Security Clearance

Job in Littleton, Arapahoe County, Colorado, 80120, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-07-06
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Unix/Linux
Job Description & How to Apply Below
Position: Staff Linux System Administrator/ TS/SCI W/Poly- Littleton, CO with Security Clearance
Job Number 733902

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 Waterton, CO. 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 the Stingernet portfolio. This includes upgrades, operations and maintenance, hardware and software installations, backups, and service requests in the support of program IT environments at the Waterton, CO campus.

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.))
• Ability to lift 30 Lbs Desired

Skills:

• Cloud-based logging and monitoring tools (e.g., ELK Stack, Prometheus)
• Experience with networking protocols (e.g., TCP/IP, HTTP) and storage solutions (e.g., SAN, NAS, Ceph)
• Knowledge of Risk Management Framework (RMF) and Security Technical Implementation Guide (STIG) Requirements
• IT Related Certifications (i.e., RHCSA, RHCE VMWare, Network+, etc.)
• 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 Linux authentication with Active Directory
• Experience with Open Shift Cluster Management (including installation, upgrades, and node management)
• Experience with Containerization and Orchestration (including: Kubernetes, Docker, Podman, and services)
• Knowledge of Virtualization (VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN or VXRail) 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 the office and are in addition to our Paid Time off benefits. Schedule for this Position: 9x80 every other Friday off 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…
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