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Linux System Administrator​/TS​/SCI W​/Poly- Littleton

Job in Littleton, Arapahoe County, Colorado, 80161, USA
Listing for: Lockheed Martin Corporation
Full Time position
Listed on 2026-07-08
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 104500 USD Yearly USD 104500.00 YEAR
Job Description & How to Apply Below
Position: Staff Linux System Administrator/ TS/SCI W/Poly- Littleton, CO
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 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 Stinger net 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)

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 $104,500 -…
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