Tier 2 Systems Administration Support Service

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.
• Strong troubleshooting skills for server patching, system conflicts, and security compliance.
• Familiarity with monitoring tools such as SCOM or Quest Suite.
• Excellent written and verbal communication skills.
• Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance.

Education & Certifications

• Required
  • Education – Bachelor's degree in Information Technology, Cybersecurity, Data Science, Information Sciences, or Computer Science
    • Bachelor's degree may be substituted with four (4) years of experience in IT Support roles
  • Certifications – Must possess at least one of the following certifications: Security+ CE, CCNA Security, CySA+, GICSP, GSEC or SSCP.
• Preferred
  • Certification – At least one of the following certifications: Microsoft 365 Certified: Fundamentals OR Microsoft Certified: Azure Fundamentals.

Why Join Us?

This is a unique opportunity to contribute to mission-critical enterprise operations in a high-impact federal environment. Join our team and help ensure the stability and security of enterprise IT systems supporting vital national missions.

Apply today and elevate your career in enterprise IT operations support.

Please Note: This position is contingent upon contract award. Candidates selected will be notified once the award has been confirmed.

Equal Employment Opportunity and E-Verify Statement

3500 Square, LLC is proud to be an Equal Opportunity Employer. We do not discriminate against any applicant or employee on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, protected veteran status, military status, citizenship status, or any other legally protected status, in accordance with federal, state, and local laws.

As a federal contractor, 3500 Square, LLC complies with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA), providing equal opportunity and affirmative action for qualified individuals with disabilities and protected veterans.

All employment decisions are based on qualifications, merit, and business needs. Fair consideration is provided to all candidates, including U.S. citizens and nationals, as required by federal regulations regarding national origin discrimination.

If you require a reasonable accommodation to complete the application process due to a disability, please contact our Human Resources team at View email address on click.appcast.io or View phone number on click.appcast.io.

3500 Square, LLC participates in E-Verify. If E-Verify cannot confirm that you are authorized to work, you will receive written instructions and an opportunity to contact the Department of Homeland Security (DHS) or Social Security Administration (SSA) to resolve the issue before any employment action is taken against you, including termination.

Employers can only use E-Verify after you have accepted a job offer and completed the Form I-9.

3500 Square, LLC is an Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.