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Windows Administrator Security Clearance

Job in Littleton, Douglas County, Colorado, 80125, USA
Listing for: Everforth Apex Systems
Full Time position
Listed on 2026-07-13
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security
Job Description & How to Apply Below
Position: Windows Administrator with Security Clearance
Location: Littleton

Requires an active IAT Level II certification The selected candidate will function as part of the IT support team; managing multiple closed environments, ensuring patching, STIGing, and infrastructure deployments for their assigned programs. They will plan, implement, monitor, and upgrade security measures for the protection of the program data, systems, and networks. They will ensure that the organization's data and infrastructure are protected by enabling the appropriate security controls.

Troubleshoots technical security and network problems. Basic Qualifications

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

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)
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)
Must possess DoD 8570 IAT Level II or III certification (i.e. Security+, CASP, CISSP)
Active Secret Clearance
Ability to lift and carry 30 lbs, including up and down stairs. Desired Skills
Basic experience with Linux Operating Systems (Red Hat Linux 7/8/9)

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
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 Apex Systems Military & Veteran Programs
At Apex Systems, we are proud to support those who serve.

Our commitment to the military community is reflected in our robust veteran hiring initiatives, military-friendly workplace policies, and nationally recognized programs. We value the leadership, discipline, and mission-first mindset that military professionals bring to our team. Join us in continuing your mission.
Why Apex is a Top Choice for Veterans and Military Talent:

· Military-Friendly

Employer:

Recognized as a Military Friendly® Employer for multiple consecutive years.

· Transition Programs:
DoD Skill Bridge program with multiple pathway options.

· Veteran Hiring Commitment:
We actively partner with multiple veteran and military organizations that specialize in IT upskilling and certification training, helping service members and veterans transition into high-demand tech careers

· Apex Military Network:
Internal employee resource group supporting veterans, Guard/Reserve members, and their families. Apex Benefits Overview
Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a Support Linc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.

In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach.

You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can…
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