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# Systems Administrator

- **Company:** TEKSYSTEMS INC.
- **Location:** Arlington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Multitier Architecture, Microsoft Windows, Configuration Management, Information Systems, System Configuration, Data Integrity, Disaster Recovery, Monitoring of Systems, Information Technology Operations, Performance Tuning, Service Pack, Software Engineering, Software Requirements Analysis, Data Storage Management, Enterprise Software Applications, System Availability, Performance Monitor
- **Published:** July 20, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9041528/systems-administrator

## About the Role

* Active Top Secret security clearance with SCI eligibility
 * DoD IAT Level II certification (e.g., Security+, CCNA Security, or equivalent) required for privileged access to DoD information systems
 * Minimum 5 years of relevant experience in application development, systems administration, or enterprise system support environments
 * Ability to provide Tier II/III IT operations support for mission systems and enterprise infrastructure.
 * Ability to perform systems operations, administration, and maintenance including account management, system monitoring, performance tuning, patching, and configuration management.
 * Ability to support server operations and management in classified environments.
 * Ability to support system backup, recovery operations, and storage management to ensure system availability and data integrity.

## Description

TEKsystems is seeking candidates who can deliver subject matter expertise supporting enterprise systems and infrastructure, ensuring availability, security, and operational performance of mission-critical platforms.

Responsibilities include system administration, server and client operations, backup and recovery, and storage management in accordance with established operational procedures. The position supports continuous operations, including on-call and contingency response requirements., * Analyze functional system requirements and implement software or system enhancements supporting mission applications.

 * Provide Tier II/III IT operations support for systems and associated enterprise services within the SCI environment.
 * Perform systems operations, administration, and maintenance including account management, performance monitoring, log auditing, and system configuration management.
 * Install, configure, test, and deploy operating system updates, security patches, and software upgrades in accordance with approved change control procedures.
 * Support client operations and management including configuration, maintenance, and administration of Windows-based enterprise client systems.
 * Support server operations and management to ensure operational availability of enterprise servers and mission applications.
 * Perform system backup and recovery operations, validating backup integrity and supporting disaster recovery procedures.
 * Support incident and problem management activities, documenting and resolving system incidents in accordance with established ITIL service management procedures.
 * Maintain technical documentation, operational procedures, and system configuration records supporting program operations.
 * Participate in configuration management processes including Change Advisory Board (CAB) reviews and implementation of approved system changes.
 * Support operational continuity and COOP relocation activities as directed during contingency operations or exercises.


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