Infrastructure/System Administrator

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

💼 Consulting

🎖️ Defense

Consulting • Defense • IT

CACI International Inc is a diversified company that provides a wide range of services and solutions primarily to the U. S. government and commercial sectors. CACI specializes in offering security services, IT solutions, and intelligence support, helping clients enhance their cyber capabilities and secure their networks. The company is recognized for its innovative workforce and the technology it provides to clients in enterprise and mission-critical environments. CACI is committed to diversity and inclusion, offering an array of career opportunities for both new graduates and experienced professionals, including veterans.

📋 Description

• Design and manage AWS‑based systems and solutions • Install, configure, and maintain Linux and Windows servers • Monitor system performance and quickly troubleshoot issues • Protect and optimize IT infrastructure for efficiency and security • Assist with Windows and Linux server patching • Perform upgrades, IAVA patching, and maintain STIG compliance • Monitor production systems and ensure contract‑aligned performance • Troubleshoot outages and system faults • Manage AWS cloud resources • Implement access controls, backups, and firewall protections • Build and maintain internal technical documentation, manuals, and policies

🎯 Requirements

• Active Secret clearance • Bachelor’s degree or equivalent professional experience • Minimum 3 years of relevant systems or infrastructure experience • Security+ certification • Proven experience as a System Administrator, Network Administrator, or similar role • Strong written and verbal communication skills • Experience with databases, LAN/WAN networks, and patch management • Ability to understand, analyze, and document technical requirements • Ability to work independently with minimal supervision • Expertise with Windows and Linux operating systems • Familiarity with GIT, Jenkins CI/CD, Nessus, Oracle products, Ansible • Experience with STIG compliance and security patching • Knowledge of AWS environments, services, and cloud architecture • Scripting experience (Python, Java, PowerShell) and automation technologies

🏖️ Benefits

• Comprehensive benefits including healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits