Tier 2 Systems Administrator

🕒 July 10, 2025

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3500 Square

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

🔒 Cybersecurity

🤝 B2B

🏛️ Government

Cybersecurity • B2B • Government

3500 Square is an SBA-certified, Service-Disabled Veteran-Owned Small Business (SDVOSB) founded by a U. S. Army veteran that provides expert IT services to streamline operations, modernize technology, and reduce costs for its clients. Backed by over 25 years of IT experience, the company specializes in IT managed services, software development, cloud management, network design and implementation, and cybersecurity, and also offers bilingual customer support and IT consulting. As a small, diverse firm (8(a), HubZone, MBE, SDB), 3500 Square emphasizes personalized, tailored solutions for business and government customers to meet specific objectives and compliance needs.

📋 Description

• 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.

🎯 Requirements

• 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 – 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.