Senior Systems Administrator: Hybrid Cloud & AD Expert (Remote)

eBSI Export Academy

United States

Remote

USD 110,000 - 160,000

Full time

14 days+

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Job summary

3500 Square , LLC is seeking a Tier 3 Systems Administrator to join a large-scale federal IT environment. This remote role spans across the U.S. and Puerto Rico, providing advanced enterprise administration for hybrid cloud and on-premises infrastructures.

The ideal candidate will manage AD/Entra ID, SCOM, Exchange Online, eDiscovery, and encryption compliance, while enabling secure authentication, provisioning, and DR procedures in a DoD-aligned setting. A Public Trust clearance is required.

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 Azure AD, Exchange Online, and 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.

Responsibilities

Manage and sustain enterprise services such as AD, Entra ID, SCOM, and Quest to ensure availability and scalability across the enterprise.
Implement schema extensions, manage GPOs, domain trusts, and 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 system health using SCOM.
Develop and execute disaster recovery procedures and ensure compliance with 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.