System Administrator

Job Title:

System Administrator

Job Category:
Information Technology

Time Type:
Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type:
Regular

Percentage of

Travel Required:

Up to 25%

Type of Travel:
Continental US

CACI is seeking a skilled and experienced System Administrator to join our dynamic team to support a DoD client in Panama City Beach, FL. The ideal candidate is a self‑motivated systems administrator capable of independently managing assigned systems and projects with minimal supervision while working collaboratively with the Cybersecurity team to maintain a secure, compliant, and highly available enterprise environment.

• Manage the Windows Server and Red Hat Enterprise Linux (RHEL) patch management program, including planning, testing, deployment, validation, documentation, compliance reporting, and lifecycle management.
• Maintain enterprise virtualization, monitoring, logging, and configuration management systems while ensuring the availability, security, and compliance of production environments.

• Administer the Windows Server and RHEL patch management program, ensuring timely deployment of operating system, security, and third‑party software updates.
• Coordinate scheduled maintenance windows with stakeholders and verify successful completion of patch deployments through testing, validation, and reporting.
• Plan, test, deploy, validate, document, and report on server patches while minimizing operational impact.
• Develop and maintain system documentation, configuration baselines, standard operating procedures (SOPs), technical documentation, configuration management records, and system inventories.
• Administer Microsoft Windows Server, Ubuntu, and Red Hat Enterprise Linux (RHEL) environments.
• Administer VMware vSphere/ESXi virtual infrastructure.
• Configure, maintain, and troubleshoot Solar Winds monitoring solutions.
• Configure and support the Solar Winds Windows Event Forwarder and Kiwi Syslog Server for centralized event and log collection.
• Working knowledge of Splunk for enterprise log collection, analysis, troubleshooting, and operational support.
• Work with the Cybersecurity team to remediate system vulnerabilities identified through ACAS and other security tools while supporting organizational security compliance initiatives.
• Implement and maintain DISA STIG security baselines for Windows Server and Linux systems as required.
• Administer Active Directory, including Group Policy, user accounts, security groups, and related Microsoft infrastructure services.
• Monitor system health, performance, and capacity while proactively identifying and resolving issues.
• Perform backup administration, disaster recovery support, and system restoration activities.
• Automate routine administrative tasks using Power Shell, Bash, or similar scripting languages.

Required:

• Active Top Secret security clearance with SCI eligibility.
• Bachelor's degree in a related field or equivalent experience in lieu of a degree.
• Minimum 5 years of enterprise systems administration experience.
• Security+ certification.

Desired:

• Experience with Active Directory administration and Group Policy.
• Experience with Solar Winds and Splunk for enterprise monitoring, log management, and analysis.
• Experience with Power Shell, Bash, or other scripting languages.
• Experience with enterprise backup and disaster recovery solutions.
• Experience with DISA STIGs, RMF, SCAP compliance scanning, and DoD cybersecurity requirements.

A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high‑performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers – every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth. Together, we will advance our nation's most critical…