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Windows 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
Salary/Wage Range or Industry Benchmark: 104500 - 184115 USD Yearly USD 104500.00 184115.00 YEAR
Job Description & How to Apply Below
Position: Staff Windows 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 Windows System Administration services including installation, integration and configuration of Windows, VMWare, and Hyper-V 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 area 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
IAT II certification (Security+, etc.)
SME level experience with the following:
Active Directory (Domain Services, Certificate Services, Federative Services, Trusts, PKI)

Experience with Windows Server (Server 2022, 2025) including backups, hardening, monitoring, tuning, and patching
Extensive knowledge of HPE / Dell server hardware maintenance, deployment, patching, automation (HP Oneview, Ilo, IDRAC, etc.)
Experience using VMWare or Hyper-V tools for virtualization

Experience with vulnerability remediation and security management (i.e., system hardening, log management, configuration management (i.e., Nessus Trellix, WSUS, MECM, Ivanti, Splunk)

Desired skills

IAT III / IAM III (SecurityX, CISSP, etc.)
Experience utilizing Linux integration with Active Directory (SSD, IDM)
Knowledge of National Industrial Security Program Operating Manual (NISPOM), Risk Management Framework (RMF) and Security Technical Implementation Guide (STIG) Requirements

Experience with storage technologies (i.e., Net App, Nimble, Racktop)
Knowledge of Scripting and Automation (i.e., Ansible, Power Shell, Scorch/Runbooks, Terraform, Chef, Puppet)
Architecting heavy virtualized environments/private clouds (HyperV, VMware, Azure local, KVM, Nutanix)
Tuning SR-IOV / vRSS networking offloads, and configuring MPIO paths over Fibre Channel and iSCSI
Managing advanced clusters and virtual desktop environments (RDS, Horizon View, Xen desktop)

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 - $184,115. 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…
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