Tier 2 Systems Administration Support Service - 3500 Square

Tier 2 Systems Administration Support Services | Systems Administrator II

Location: Remote – Available across U.S. and Puerto Rico

Clearance Level: Public Trust (ADP/IT-II); Tier 3 Investigation (NACLC) Citizenship: U.S. Citizenship required

Summary

We are seeking candidates for a potential opportunity as Tier 2 Systems Administrator – Continuous Operations Support to join our team supporting a large-scale federal IT environment. This role is critical for maintaining 24x7 enterprise operations, troubleshooting complex issues, and ensuring secure, efficient system performance across both on-premise and cloud infrastructures.

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 activities.

Utilize DoD Information Assurance tools to validate patching and security control compliance.

Manage Active Directory user accounts: create, modify, recover, restore AD objects, and administer Group Policy Objects (GPOs).

Perform Azure AD user and access management, including monitoring resource usage and permissions.

Support mobile device management and end-user computing issues, including device resets, configuration, and Device Approval Requests (DAR).

Conduct GPO-related troubleshooting, security group management, and GPO application monitoring.

Administer enterprise systems, including data recovery, password management, and machine unlock operations.

Escalate complex issues to Tier 3 and manage communication for de-escalation back to Tier 1 support.

Monitor enterprise infrastructure using tools such as SCOM, Quest Suite, and related monitoring solutions to detect and respond to anomalies.

Produce technical documentation including Unscheduled Downtime Reports (UDRs), Situation Reports (SITREPs), After Action Reports (AARs), and service interruption records.

Administer eDiscovery operations in MED365, supporting data collection, preservation, processing, and purging for litigation, security incidents, and audits.

Preferred Tools & Technologies

Microsoft Active Directory, Azure AD, Group Policy Management

Microsoft Endpoint Configuration Manager (MECM/SCCM), System Center Operations Manager (SCOM)

Quest Tool Suite

PowerShell scripting, Microsoft 365 (MED365), Windows Server

eDiscovery and litigation support platforms

Minimum Qualifications

Hands-on experience in enterprise-level system administration, supporting both on-premise and cloud environments.

Proficiency with Active Directory administration, GPO management, and Windows Server technologies.