Tier 3 Systems Administration Support Service

3500 Square LLC

• $90K — $110K *
US-AnywhereRemote in United States
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of extensive hands-on experience in enterprise-level systems management, particularly in hybrid and on-premise environments.
  • Proficient in Active Directory administration and Group Policy Object (GPO) management.
  • Experience with cloud services like Azure AD and Exchange Online, as well as eDiscovery operations.
  • Familiarity with enterprise monitoring tools such as SCOM and performance reporting.
  • Knowledge of data encryption tools and compliance standards.
  • Strong analytical and problem-solving skills with good communication abilities.
  • Public Trust (Tier 3/NACLC) clearance eligibility.

Responsibilities

  • Manage enterprise services including Active Directory, Microsoft Entra ID, and System Center Operations Manager.
  • Implement and manage schema extensions, GPOs, domain trusts, and OU configurations.
  • Provide optimization support for cloud environments, focusing on Azure services and Exchange Online.
  • Ensure compliance with authentication, synchronization, and encryption standards across systems.
  • Monitor data encryption services and ensure compliance with DoD standards.
  • Develop disaster recovery procedures and adhere to STIG compliance for monitoring.
  • Handle eDiscovery processes and investigate incidents related to data security.

Benefits

  • Remote work flexibility across the U.S. and Puerto Rico.
  • Opportunity to work with advanced IT systems in a federal environment.
  • Professional development and potential certifications.
  • Engagement with cutting-edge cloud technology and enterprise-scale infrastructure.
Full Job Description
Tier 3 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 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.
  • Strong analytical and problem-solving skills with excellent communication abilities.
  • Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance.

Education & Certifications
  • Required (Foundational - one of the following):
    • Bachelor's degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited),
    • OR CISSP / Security+.
  • Required (CE - one of the following):
    • Microsoft Azure Solutions Architect Expert (AZ-305),
    • OR Windows Server Hybrid Administrator Associate.

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

📩 Apply today to elevate your career in advanced enterprise IT systems administration.

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