3500 Square LLC
Tier 3 Systems Administration Support Service
3500 Square LLC, San Antonio, Texas, United States, 78208
Job Posting: Tier 3 Systems Administration Support Services (Health System Administrator II)
Location:
San Antonio, TX Clearance Required:
Public Trust (ADP/IT-II); Tier 3 Investigation (NACLC) Citizenship Requirement:
U.S. Citizenship required.
We are seeking a skilled
Tier 3 Systems Administrator
to join our 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.
Key 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. Preferred Tools & Technologies:
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) Minimum Qualifications:
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. Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance. Strong analytical and problem-solving skills with excellent communication abilities. Education & Certifications:
Candidates must meet one of the following combinations:
Certification:
Microsoft Certified: Azure Administrator Associate or Windows Server Hybrid Administrator Associate AND one of the following: Bachelor's degree in Information Technology, Cybersecurity, or a related discipline. Possession of a DoD 8140 Baseline Certification (e.g., Security+ CE, SSCP, GSEC, Cloud+, CISSP). Completion of relevant DoD or Military Technical Training (training code list available upon request).
This is an exciting opportunity to work in a mission-critical environment, supporting enterprise IT services vital to national operations. Join our team and help ensure secure, reliable, and modernized IT solutions across a dynamic enterprise landscape.
Apply today to elevate your career in advanced enterprise IT systems administration.
Location:
San Antonio, TX Clearance Required:
Public Trust (ADP/IT-II); Tier 3 Investigation (NACLC) Citizenship Requirement:
U.S. Citizenship required.
We are seeking a skilled
Tier 3 Systems Administrator
to join our 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.
Key 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. Preferred Tools & Technologies:
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) Minimum Qualifications:
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. Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance. Strong analytical and problem-solving skills with excellent communication abilities. Education & Certifications:
Candidates must meet one of the following combinations:
Certification:
Microsoft Certified: Azure Administrator Associate or Windows Server Hybrid Administrator Associate AND one of the following: Bachelor's degree in Information Technology, Cybersecurity, or a related discipline. Possession of a DoD 8140 Baseline Certification (e.g., Security+ CE, SSCP, GSEC, Cloud+, CISSP). Completion of relevant DoD or Military Technical Training (training code list available upon request).
This is an exciting opportunity to work in a mission-critical environment, supporting enterprise IT services vital to national operations. Join our team and help ensure secure, reliable, and modernized IT solutions across a dynamic enterprise landscape.
Apply today to elevate your career in advanced enterprise IT systems administration.