3500 Square ยท 2 months ago
Tier 3 Systems Administration Support Service
United States
Full-time
Remote
Senior Level3500 Square is seeking candidates for a potential opportunity as Tier 3 Systems Administrator to join their team supporting a large-scale federal IT environment. This role provides advanced-level enterprise administration and engineering support across hybrid cloud and on-premise infrastructures, ensuring secure and scalable operations for critical IT services.
Information Technology & Services
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Manage and sustain enterprise services such as Active Directory (AD), Microsoft Entra ID (Azure AD), System Center Operations Manager (SCOM), and the Quest tool suite to ensure availability and scalability across the enterprise
Implement schema extensions, manage Group Policy Objects (GPOs), domain trusts, and Organizational Unit (OU) configurations using Quest and other enterprise tools
Provide advanced support and optimization for cloud environments, including MED365 Azure services, eDiscovery, and Exchange Online
Ensure authentication, synchronization, user provisioning, and encryption compliance across both AD and cloud-based systems
Monitor and manage data encryption services; deploy encryption clients and enforce compliance with enterprise and DoD encryption standards
Customize enterprise monitoring rules and produce performance metrics related to uptime, downtime, and overall system health using tools like SCOM
Develop and execute disaster recovery procedures and ensure compliance with Security Technical Implementation Guides (STIGs) for monitoring infrastructure
Support PKI/PKE integration and compliance per DoDI 8520.02 requirements
Manage Exchange Online services, including mail flow, distribution lists, shared mailboxes, migrations, and service availability
Administer eDiscovery processes, including data collection, analysis, and responses to legal and regulatory requests; investigate incidents related to data leakage, phishing, and unauthorized data exposure
Qualification
Required
Extensive hands-on experience managing enterprise-level systems in hybrid cloud and on-premise environments
Proficiency in Active Directory administration, GPO management, domain trusts, and enterprise directory services
Experience supporting cloud services such as Microsoft Entra ID (Azure AD), Exchange Online, and enterprise-level eDiscovery operations
Knowledge of enterprise monitoring tools like SCOM and associated reporting metrics
Familiarity with data encryption tools and compliance standards
Strong analytical and problem-solving skills with excellent communication abilities
Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance
Bachelor's degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited) or CISSP / Security+
Microsoft Azure Solutions Architect Expert (AZ-305) or Windows Server Hybrid Administrator Associate
Preferred
Microsoft SCOM, Entra ID (Azure AD), Active Directory
Quest Tool Suite
Microsoft Exchange Online, eDiscovery, Azure Cloud
PowerShell scripting, Windows Server OS
Microsoft 365 / MED365 environments
Encryption platforms (e.g., BitLocker)
Company
3500 Square
3500 Square is an experienced IT Solutions, Services and Consulting Service provider.
Founded in 2023
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase