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 The Opportunity 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. Responsibilities Manage the Windows Server and RedHat 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. More About The Role 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 SolarWinds monitoring solutions. Configure and support the SolarWinds 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 PowerShell, Bash, or similar scripting languages. Qualifications 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 SolarWinds and Splunk for enterprise monitoring, log management, and analysis. Experience with PowerShell, 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. What You Can Expect 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 missions, build on our lengthy track record of business success, and find opportunities to break new ground – in your career and in our legacy. Pay Range There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The Proposed Salary Range For This Position Is $67,800–$142,200. CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic. #J-18808-Ljbffr