Job description

Location: DHA locations in and around San Antonio, TX Clearance Required: Public Trust (ADP/IT-II) via Tier 3 federal Background Investigation (NACLC) The Tier 2 Systems Administrator supports continuous enterprise operations and escalation-based troubleshooting for on-premise and MED365 Cloud environments. This role is responsible for Tier 2-level server and systems maintenance, Active Directory and Azure administration, patching and configuration management, cloud resource oversight, and enterprise monitoring. The administrator will collaborate with Tier 1 and Tier 3 teams to maintain system availability and security across the DHA's enterprise infrastructure. Key Responsibilities • Provide 24x7 operational support and maintenance for enterprise infrastructure, including servers, firmware, software, and MED365 tenant environments. • Troubleshoot and resolve issues involving server patches, software conflicts, configurations, and maintenance windows. • Use DoD Information Assurance tools to validate patch and security control compliance. • Manage Active Directory user accounts: create, modify, recover, restore AD objects, and administer group policies. • Perform Azure AD user and access management, including monitoring cloud resource usage and permissions. • Support mobile devices and end-user computing issues, including reset/configuration and Device Approval Requests (DAR). • Conduct GPO-related troubleshooting, add security groups, and monitor Group Policy Object (GPO) application. • Administer enterprise systems and perform data recovery, password management, and machine unlock operations. • Escalate unresolved issues to Tier 3 and manage communication for de-escalation back to MTF or Tier 1. • Monitor infrastructure using SCOM, Quest Suite, and related monitoring tools; identify and respond to anomalies. • Produce Unscheduled Downtime Reports (UDR), SITREPs, After Action Reports (AAR), and related service interruption documentation. • Administer eDiscovery operations within MED365, including data collection, preservation, processing, and purging for litigation, security incidents, and audits. • Ensure compliance with DoD 8140 Core and Additional KSATs as applicable to the role. Preferred Tools & Technologies • Microsoft Active Directory, Azure AD, Group Policy Management • Microsoft Endpoint Configuration Manager (MECM/SCCM), SCOM • Quest Tool Suite • PowerShell, Microsoft 365 (MED365), Windows Server • eDiscovery and litigation support platforms Education/Certification Requirements Education & Certification (per DoD 8140 Qualification Matrices) 1) Microsoft 365 Certified: Fundamentals or Microsoft Certified: Azure Fundamentals 2) Any of the following... Academic Education: Bachelor’s degree in information technology, Cybersecurity, or a related discipline. OR Baseline: A+, or CND, or Network+, or GLSC OR DoD/Military Training: E3AQR3D032 02AA or E3AQR3D032 00BB or C-150-2012 or C-150-2011 or M09CVQ1 or F07DZZ1 or A-202-2100 (now A-150-1251) or A-150-1200 or A-150-1201 or A-102-5900 or A-531-0767

Requirements