System Administrator jobs in United States
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ECLARO ยท 7 hours ago

System Administrator

ECLARO is a leading technology solutions provider seeking a System Administrator for their client in Los Angeles, CA. The role involves architecting, implementing, and managing large-scale enterprise infrastructure with a focus on Microsoft Domain Services, including Active Directory and related technologies.

Staffing & Recruiting
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H1B Sponsor Likelynote

Responsibilities

Architect, design, and maintain enterprise-level Microsoft Active Directory environments, including forest/domain structures, trusts, replication topology, and identity synchronization with Azure AD/Entra ID
Lead Group Policy design and lifecycle management, implementing security baselines and automation for configuration consistency
Manage and optimize DNS and DHCP infrastructure across multiple sites and domains to ensure high availability, redundancy, and security
Develop and maintain enterprise-level identity and access management (IAM) strategies, integrating SSO, MFA, and Conditional Access policies
Oversee advanced domain migrations, consolidations, and upgrades, including hybrid and cloud identity projects
Act as a subject matter expert (SME) for Windows Server, Microsoft 365, and Azure infrastructure environments, ensuring secure and reliable operation
Collaborate with cybersecurity teams to ensure compliance with best practices, including auditing, least privilege, and role-based access controls (RBAC)
Utilize PowerShell scripting and automation frameworks to streamline administration, reporting, and configuration enforcement
Provide tier IV escalation support for domain-related incidents and performance optimization
Mentor and provide technical direction to Systems Administrators I-III and IT project teams
Develop comprehensive documentation, runbooks, and policy guidelines for enterprise systems
Partner with leadership to evaluate emerging Microsoft technologies, propose improvements, and lead implementation initiatives aligned with business goals

Qualification

Active DirectoryMicrosoft AzurePowerShell scriptingGroup PolicyDNSDHCPWindows ServerIdentityAccess ManagementCybersecurity complianceITIL processesLeadershipCommunicationDocumentationMentorshipCollaboration

Required

Bachelor's Degree in Computer Science, Information Systems, or related field
Twelve (12+) years of progressive systems administration experience with at least seven (7+) years focused on Microsoft domain and identity services in large enterprise environments
Expert-level understanding of Active Directory architecture, replication, and security
Group Policy design
DNS, DHCP, and name resolution architecture
Windows Server (2016/2019/2022)
Azure AD / Entra ID and hybrid identity synchronization
Strong background in PowerShell scripting and infrastructure automation
Demonstrated experience leading enterprise domain projects, including forest restructuring, migration, and modernization
Familiarity with PKI, ADFS, Azure AD Connect, Intune, and MDM policies
Deep understanding of ITIL processes, change management, and cybersecurity compliance frameworks (HIPAA, NIST, SOC 2, etc.)
Excellent leadership, communication, and documentation skills
Required Microsoft Certifications: Microsoft Certified: Windows Server Hybrid Administrator Associate, Azure Administrator Associate, or Azure Solutions Architect Expert
Microsoft Certified: Active Directory and Identity Management (MCSE or equivalent legacy certification acceptable)

Preferred

Master's Degree

Benefits

401k Retirement Savings Plan administered by Merrill Lynch
Commuter Check Pretax Commuter Benefits
Eligibility to purchase Medical, Dental & Vision Insurance through ECLARO

Company

ECLARO

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ECLARO is an award-winning professional services firm headquartered in New York City and operating in the U.S., Canada and the Philippines.

H1B Sponsorship

ECLARO has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2023 (1)
2022 (2)
2020 (1)

Funding

Current Stage
Late Stage

Leadership Team

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Nicholas Butcher
QA CTO Label Specialist
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Dan Broderick
Chief Delivery Officer
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Company data provided by crunchbase