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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior System Administrator - **Company:** RADAR APPLICATIONS INCORPORATED - **Location:** Ann Arbor, MI, United States - **Experience:** Starter - **Salary:** $60,000.0 - $80,000.0 - **Contract:** Internship / Graduate position - **Skills:** Microsoft Windows, Active Directory, Microsoft Antivirus, Application Packaging, Backup Devices, Bash Shell, Microsoft Outlook, Software Documentation, Complex Networks, Cyber Security, Data Recovery, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Multi-Factor Authentication, File System Permissions, Virtual Private Networks (VPN), MATLAB, Windows Servers, Network Diagrams, Network Connections, Windows PowerShell, Red Hat Enterprise Linux, Azure Active Directory, Anti-Phishing, Microsoft SharePoint, TCP/IP, Software Vulnerability Management, Wireless Networks, Data Processing, Office365, Software Troubleshooting, Peripherals, Microsoft InTune, Computer Equipment, Information Technology, Nessus, Laptops, CIS Benchmarks, Engineering Base - **Published:** October 8, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9227392/junior-system-administrator ## About the Role * Must be a U.S. Citizen * Must be eligible to obtain a Top Secret Security Clearance. * 0-5 years of IT support experience; relevant internships, coursework, military experience, or hands-on lab projects may substitute for professional experience. * Working knowledge of Windows desktop troubleshooting, computer hardware, and Microsoft 365 applications. * Basic understanding of Active Directory, user permissions, TCP/IP, DNS, DHCP, and network connectivity. * Familiarity with endpoint management tools such as Microsoft Intune, or a demonstrated ability to learn them. * Understanding of foundational security practices, including multifactor authentication, least privilege, patching, and phishing awareness. * Strong troubleshooting, communication, and documentation skills, with the ability to recognize when to escalate an issue. * Exposure to Linux, PowerShell, Nessus, or Microsoft 365 is a plus. * Ability to obtain an IAT Level II certification within 6 months, such as Security+ CE, CySA+, GSEC, or equivalent. Preferred Qualifications * Experience supporting Microsoft Intune, Entra ID, and Microsoft 365, particularly in a hybrid Active Directory environment. * Exposure to Windows Server or Red Hat Enterprise Linux administration, including routine maintenance, file permissions, and troubleshooting. * Familiarity with Microsoft Defender, Nessus/ACAS, DISA STIGs, CIS Benchmarks, or RMF activities in a DoD or federal IT environment. * Experience with basic PowerShell or Bash scripting, backup and recovery procedures, or troubleshooting switches, wireless networks, and VPN connections. * Experience installing, updating, and troubleshooting MATLAB and associated toolboxes, including license configuration. * Excellent problem-solving and communication skills. * Bachelor's degree or current enrollment in a bachelor's degree program in Information Technology, Computer Science, Cybersecurity, or a related field. * Current DoD IAT Level II certification, such as Security+ CE, CySA+, GSEC, or equivalent. ## Description Radar Applications Incorporated (RAI) is a rapidly growing company delivering advanced sensor technologies for airborne and satellite radar missions. We seek highly motivated professionals to support our existing R&D programs and to help us solve challenging problems for our Department of Defense (DoD), Intelligence Community (IC), and commercial customers. We have an immediate opening for a Junior Systems Administrator in Ann Arbor, MI. This position is 100% onsite. RAI offers unrivaled employee compensation packages and a dynamic, mission-oriented work environment. Responsibilities * Provide day-to-day technical support for Windows laptops, printers, peripherals, network connectivity, and business and engineering applications. * Support Microsoft 365 applications, including Outlook, Teams, and SharePoint, and troubleshoot access to shared files and collaboration services. * Prepare, deploy, and maintain company laptops using established Microsoft Intune configurations, application packages, and security policies. * Assist with employee onboarding and offboarding, including equipment assignments, account setup, group membership, and approved access changes in Active Directory and Microsoft Entra ID. * Assist with routine Windows Server and Red Hat Enterprise Linux maintenance and troubleshooting under the guidance of senior IT staff. * Monitor device and system health, review alerts, deploy approved updates, and assist with vulnerability remediation using Intune, Microsoft Defender, and Nessus. * Troubleshoot basic wired, wireless, and VPN connectivity issues; escalate complex network issues. * Follow established procedures to apply security configurations, assist with DISA STIG and CIS Benchmark checks, and collect documentation supporting DoD cybersecurity and RMF requirements. * Perform backups and assist with file recovery, recovery testing, and system restoration under senior staff guidance. * Maintain equipment inventories, support tickets, system documentation, network diagrams, and standard operating procedures. * Assist with infrastructure upgrades and use approved PowerShell or Bash scripts to perform routine administrative tasks. * Follow company access-control and sensitive-data handling procedures, promptly escalating suspected security incidents and issues requiring elevated administrative changes.