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# Cyber System Administrator, Senior

- **Company:** CACI International Inc.
- **Location:** Fort Bragg, NC, United States
- **Experience:** Expert
- **Salary:** $71,500.0 - $150,200.0
- **Contract:** Permanent contract
- **Skills:** Comptia Cloud+, Microsoft Windows, Active Directory, Amazon Web Services, Microsoft Azure, Backup Devices, Bash Shell, Cloud Computing, Configuration Management, Software Documentation, Cyber Security, Information Systems, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Hyper-V, Identity and Access Management, Virtual Private Networks (VPN), Python (Programming Language), Network Troubleshooting, Windows Servers, Network Administration, Windows PowerShell, TCP/IP, Virtualization Technology, Reliability of Systems, Information Technology, Patch Management, Cyber Warfare, User Administration, User Accounts, Vmware
- **Published:** August 2, 2026
- **Apply:** https://dejobs.org/x/x/591E188CEA5F4EAEB69813BC8B7B9075/job/

## About the Role

* TS/SCI clearance
 * Bachelor's degree in computer science, Information Technology, Cybersecurity, or related technical field
 * 5 years executing cyber system administration responsibilities for DOW systems in TS or higher environment
 * DoD 8570.01-M IAT Level II or IAT Level III certification (Security+ CE,CySA+, GICSP, GSEC, or SSCP)
 * Computing Environment certification (Windows: MCSA or Linux+/RHCSA, or equivalent))
 * Demonstrated experience managing Windows Server and/or Linux operating systems
 * Proven experience implementing andmaintainingcybersecurity controls and STIG compliance
 * Experience with network administration including TCP/IP, DNS, DHCP, VPN, andfirewallconfigurations
 * Proficiencywith Active Directory, Group Policy, and user access management
 * Knowledge of virtualization technologies (VMware, Hyper-V)

Desired Qualifications

 * DoD 8570.01-M IAM Level I, II, or III (CND, CISM, CISSP)
 * Advanced technical certifications (CCNA, RHCE, MCSE, or equivalent)
 * Cloud certifications (AWS, Azure, or CompTIA Cloud+)
 * Strong written and verbal communication skills for technical documentation and briefings
 * 5+ years of experience in DoD cyber operations or military IT environments
 * Experience with DoD Risk Management Framework (RMF) and Authorization to Operate (ATO) processes
 * Background supporting SCIF or othersensitive compartmentedinformation environments
 * Experience with cybersecurity incident response and forensic analysis
 * Demonstrated experience with automation and scripting (PowerShell, Python, Bash)
 * Familiarity withDevSecOpspractices and CI/CD pipelines
 * Experience with cloud infrastructure administration (AWS GovCloud, Azure Government)
 * Previousexperience with DISA guidance, CMMC compliance, or CNSSI standards

## Description

* Administers, configures, andmaintainsclassified and unclassified information systems supporting operational and mission requirements.
 * Manages user accounts, roles, permissions, and access controlsin accordance withsecurity policies and least privilege principles.
 * Monitors system performance, availability, and security using approved tools toidentifyand resolve issues.
 * Implements system hardening, patch management, and configuration baselines tomaintaincybersecurity compliance.
 * Supports accreditation, authorization, and continuous monitoring activities in alignment with DoD cybersecurity requirements.
 * Troubleshoots hardware, software, and network issues to ensure system reliability and continuity of operations.
 * Maintains system documentation, configuration management records, and standard operating procedures.
 * Coordinates with cybersecurity, network, and operations teams to support incident response and risk mitigation.
 * Performs data backup, recovery, and continuity procedures to protect mission-critical information.
 * Provides technical support and guidance to users and stakeholders on system capabilities and security best practices.


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