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Windows System Administrator (TSSCI)


Job Location:

Fort Belvoir, VA - USA

Monthly Salary: Not provided by the employer
Posted: 3 June 2026 (30+ days ago)
Application Deadline: 31 August 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

Koniag IT Solutions a Koniag Government Services company is seeking an experienced Windows Systems Administrator with an active TS/SCI Clearance to support and maintain secure missioncritical IT environments for our government client. This position is for a Future New Business offer competitive compensation and an extraordinary benefits package including health dental and vision insurance 401K with company matching flexible spending accounts paid holidays three weeks paid time off and Windows Systems Administrator will be responsible for installing configuring securing and maintaining Microsoft Windows operating systems and related enterprise applications. The administrator will support heterogeneous environments that include both Microsoft Windows and Red Hat Enterprise Linux systems ensuring system reliability security compliance and operational efficiency. The role includes system monitoring troubleshooting documentation and collaboration with crossfunctional teams to support mission and customer responsibilities include:The ideal candidate will have deep expertise in Microsoft Windows Server and desktop platforms Active Directory Group Policy and enterprise system administration within classified environments. This role requires strong technical troubleshooting skills attention to detail and the ability to work collaboratively across multiple technical Windows systems administration across multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux configure and manage Windows operating systems applications and enterprise software including Microsoft Exchange Office SharePoint and manage and maintain Group Policy Objects (GPOs) and other configuration management and enforce security policies procedures and system hardening requirements to protect Windows systems and system performance identify areas for optimization and implement and resolve technical issues related to Windows systems applications and supporting root cause analysis to identify and remediate underlying system maintain and document technical configurations processes and standard operating and Experience Requirements:Bachelors degree in computer science Engineering Information Technology or a related field; or equivalent professional experience.5 years of professional experience performing Windows system administration managing and troubleshooting Windows 11 Windows Server environments and Active working in secure or classified environments requires strict compliance and Skills and Competencies:Strong knowledge of Microsoft Windows desktop and server experience with Active Directory Group Policy and enterprise Windows and transferable Top Secret/SCI clearance with of Defense Directive 8140 / 8570 certification (e.g. CompTIA Security CE or equivalent).Experience with system hardening and STIG to troubleshoot complex technical issues and perform root cause attention to detail and ability to follow structured verbal and written communication Skills:Experience with VMware vCenter vSphere ESXi or other virtualization with SAN/NAS storage basic networking concepts including subnets routing and VLANs; Cisco experience or certification is a with Linux system administration (Red Hat Enterprise Linux preferred).Experience creating and deploying Windows system images in an enterprise with U.S. Government Certification & Accreditation (C&A) Requirements:Active TS/SCI ClearanceOur Equal Employment Opportunity PolicyThe company is an equal opportunity employer. The company shall not discriminate against any employee or applicant because of race color religion creed ethnicity sex sexual orientation gender or gender identity (except where gender is a bona fide occupational qualification) national origin or ancestry age disability citizenship military/veteran status marital status genetic information or any other characteristic protected by applicable federal state or local law. We are committed to equal employment opportunity in all decisions related to employment promotion wages benefits and all other privileges terms and conditions of company is dedicated to seeking all qualified applicants. If you require an accommodation to navigate or apply for a position on our website please get in touch with Heaven Wood via e-mail by calling to request Government Services (KGS) is an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture that delivers Enterprise Solutions Professional Services and Operational Management to Federal Government Agencies. As a wholly owned subsidiary of Koniag we apply our proven commercial solutions to a deep knowledge of Defense and Civilian missions to provide forward leaning technical professional and operational solutions. KGS enables successful mission outcomes for our customers through solution-oriented business partnerships and a commitment to exceptional service delivery. We ensure long-term success with a continuous improvement approach while balancing the collective interests of our customers employees and native communities. For more information please Opportunity Employer/Veterans/ Preference in accordance with Public Law 88-352

Required Experience:

Unclear Seniority


About Company

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What We Do Koniag Government Services (KGS) is an Alaska Native Corporation comprised of multiple wholly owned subsidiary companies that deliver Enterprise Solutions, Professional Services, and Operations Management to Federal Government agencies. With an agile employee and corporate ... View more

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