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# Intermediate Systems Administrator

- **Company:** Koniag Services, Inc.
- **Location:** Fort Belvoir, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Software Documentation, File Systems, Windows Servers, NIPRNet, Performance Tuning, User Provisioning Software, Virtualization Technology, Enterprise Software Applications, Vmware
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9278771/intermediate-systems-administrator

## About the Role

* Intermediate proficiency in Windows enterprise systems administration, Active Directory, patching, and troubleshooting.
 * Ability to support compartmented access procedures in controlled Government facilities.
 * U.S. citizenship, a final Top Secret clearance based on a Tier 5 investigation, ICD 704 SCI eligibility, and appropriate SCI indoctrination by the start of performance, as applicable to the assigned duties and DD Form 254., * Windows/Active Directory administration.
 * Virtualization, storage and backup recovery.
 * STIGs, RMF and incident analysis.
 * Ability to document Government-support work accurately and protect controlled or classified information under applicable policies.

DESIRED SKILLS AND COMPETENCIES

 * Experience with VMware, enterprise backup/recovery, and DoD systems hardening.
 * Prior support to mission systems spanning NIPRNET, SIPRNET, and JWICS.
 * Experience supporting compartmented networks, highly controlled information, and geographically distributed users.

## Description

Provide hands-on administration of secure Windows-based servers, identity services, virtualization, and enterprise applications. Support users and critical systems across classified and unclassified environments under approved access and change-control procedures.
PRINCIPAL RESPONSIBILITIES

 * Provide intermediate-level systems administration and sustainment for Windows servers, user services, virtual platforms, and assigned enterprise applications.
 * Support the dedicated mission-specific systems administration needs in highly controlled environments.
 * Maintain Active Directory accounts, privileges, file access, patching, monitoring, and secure system configurations.
 * Administer VMware and supported storage, backup, and restoration functions in coordination with functional leads.
 * Troubleshoot performance, service availability, account access, hardware, and software incidents.
 * Maintain system baselines, technical documentation, configuration records, and change-control submissions.
 * Maintain applicable DISA STIGs and RMF documentation, escalating risks and vulnerabilities.
 * Support secure NIPRNET, SIPRNET, and JWICS environments only where authorized.
 * Apply and validate operating-system updates, vulnerability fixes, and secure configuration baselines.
 * Manage user provisioning, access controls, and system documentation in coordination with security personnel.
 * Investigate backup failures and execute authorized recovery procedures.