> Markdown version of [/jobs/ext/3684771-tier-2-system-administrator](https://www.wearedevelopers.com/jobs/ext/3684771-tier-2-system-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Tier 2 - System Administrator - **Company:** CACI International Inc. - **Location:** Jessup, MD, United States - **Experience:** Expert - **Salary:** $86,600.0 - $181,800.0 - **Contract:** Permanent contract - **Skills:** CompTIA Network+, Document Management Systems, Identity and Access Management, Performance Tuning, Windows Remote Assistance, Remote Desktop Services, Systems Architecture, Systems Integration, User Administration - **Published:** October 11, 2026 - **Apply:** https://dejobs.org/x/x/CEFA83A11C7B44D88EE7EF8666E5EEDE/job/ ## About the Role TS/SCI with Full Scope Polygraph HS or GED with 15 years experience OR Bachelors with 10 years experience Hardware Experience Remote Assistance Remote Desktop IAT Level 1 CompTIA A+ CE CompTIA Network+ CE ## Description We are seeking a System Administrator 2 to work on the Contractor Site in Annapolis Junction, MD. This position will work with the Remote Operations Team on the GREENWAY GES contract. This is an overnight position, reporting Wed - Sun 10pm-6am., * System Administration & Maintenance * Monitor, manage, and maintain servers, operating systems, and key applications. * Apply patches, updates, and configuration changes to systems in accordance with change management procedures. * Perform routine system health checks, capacity planning, and performance tuning. User Support & Troubleshooting * Provide advanced technical support for escalated issues from help desk/Tier 1 teams. * Diagnose and resolve system, application, and network-related problems. * Assist with user account management, permissions, and access controls. Implementation & Configuration * Install, configure, and deploy new systems, applications, and tools. * Assist in system upgrades, migrations, and integrations. * Document system configurations, procedures, and standards. Security & Compliance * Ensure systems adhere to security best practices and organizational policies. * Help implement and monitor security controls such as antivirus, endpoint protection, firewalls, and access management. * Participate in audits, risk assessments, and remediation activities. Monitoring & Reporting * Use monitoring tools to track system performance, availability, and capacity. * Respond to alerts, incidents, and outages, performing root cause analysis and corrective actions. * Prepare reports on system health, incidents, and improvements for management. Collaboration & Process Improvement * Collaborate with IT teams (network, security, applications, help desk) on cross-functional initiatives and projects. * Contribute to the development and refinement of IT processes, standards, and documentation. * Provide input on technology selection and system architecture improvements.