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Windows Systems Administrator

RMantra
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Alexandria, VA, USA
Sep 21, 2026

This position is 100% Onsite. This position is in Arlington, VA, with occasional/situational travel.

Certificate

DoD 8750 certification at least IAT level II, e.g Security+ce

Location:

4800 Mark Center Drive, Alexandria, VA 22311

Schedule

100% onsite

Clearance

US Citizens with DOD Top Secret/SCI

Responsibilities Qualifications

  • Create, maintain, and implement detailed documentation for standard systems operating procedures to be used across the enterprise.

  • Develop, implement, and monitor policies and standards for allocation related to the use of computing resources.

  • Analyze available hardware and software from outside vendors and make recommendation for purchase and installation of cost-effective solutions.

  • Review work performed by lower-level technical staff.

  • Work both independently as well as in coordination with network

  • administrators to maintain the smooth operation of a multi-user computer system.

Required Qualifications

  • Bachelor’s degree and 4+ years of overall related experience with a Windows servers environment (e.g. 2008r2 and 2012r2). Additional experience, education and training may be considered in lieu of degree.

  • An active TS/SCI security clearance is required for this position.

  • Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce.

  • Candidate may be asked to obtain CI Poly in future

  • Experience with configuration, troubleshooting and maintaining VMware environments.

  • Experience with Remote Desktop Services

  • Experience with PowerShell scripting and experience in other languages like Python.

  • Experience with application of security settings and other commercial best practices such as DISA STIGS.

  • Experience with Security Content Automation Protocol (SCAP)

  • Experience with Group Policy Management (GPO) and applying Local Security Policies

  • Experience with Windows Task Scheduler

  • Experience Managing Active Directory

  • Experience with System (hardware) and application (software) installation and configuration.

  • Application of security settings and other commercial best practices such as DISA STIGS.

Preferred Qualifications

  • Prior experienced with DISA and DISA’s support to mission partners

  • TS/SCI w/CI Poly Preferred

  • Integration of Network Management (NM) and Element Management (EM) systems with network performance, trouble ticketing, and security subsystems highly desired.  

  • Experience with support systems to include enclave Ethernet switches, storage area networks (SAN), and network attached storage (NAS). 

  • Candidates with a thorough knowledge of networking principles to included TCP/IP a plus. 

  • Experience with a ticketing system such as BMC Remedy.

  • ITIL v3 Foundation certified

  • Linux OS experience.

  • Solaris OS experience.

  • Experience working with virtual environments.

If you are interested, please send an email to hr@rmantras.com">HR@rmantras.com

Job ID

windows-systems-administrator|loc1
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