Full-Time
Senior Engineering Systems Administrator
Microsoft 365
Hyundai Autoever America
Automotive IT and digital services
Compensation Overview
$110k - $125k/yr
Irvine, CA, USA
In Person
Five days on-site per week required.
Bachelor's
 IT & Security (1) |
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- A Bachelor's degree in Information Technology or Information Systems is desired, or equivalent practical experience.
- At least 10 years of experience in IT systems engineering is required.
- At least 10 years of experience with Microsoft 365 administration and engineering is required.
- Awareness of Information Technology Infrastructure Library (ITIL) is highly preferred.
- Deep hands-on knowledge of Microsoft 365 architecture, licensing, and tenant management; Exchange Online; SharePoint Online; Microsoft Teams; and OneDrive.
- Experience designing and troubleshooting identity and access management using Microsoft Entra ID, hybrid identity, Active Directory Connect, federation, single sign-on, Conditional Access, multifactor authentication, Zero Trust, role-based access control, least-privilege design, and identity lifecycle management.
- Deep hands-on knowledge of Microsoft Defender for Office 365, Microsoft Purview, data loss prevention, insider risk, electronic discovery, information protection, sensitivity labels, encryption, phishing protection, malware protection, and Safe Links and Attachments.
- Expert-level knowledge of messaging and collaboration architecture, including mail routing, Simple Mail Transfer Protocol relays, hybrid Exchange, Teams telephony, external sharing, business-to-business collaboration, and governance strategies.
- Deep understanding of Domain Name System, MX, SPF, DKIM, DMARC, certificates, Transport Layer Security, firewalls, proxies, endpoints, latency, and service connectivity.
- Design and implement enterprise-grade Microsoft 365 solutions, including Exchange Online, SharePoint Online, OneDrive, Microsoft Teams, and Microsoft Entra ID.
- Lead architecture decisions for hybrid and cloud-first environments.
- Develop and maintain identity and access strategies, including single sign-on, multifactor authentication, and Conditional Access.
- Manage and maintain the Microsoft 365 tenant, ensuring high availability and performance.
- Oversee user lifecycle management, licensing, and service configurations.
- Monitor service health and proactively resolve issues.
- Implement and manage Microsoft security and compliance solutions.
- Configure data loss prevention, retention policies, electronic discovery, and insider risk controls.
- Ensure adherence to security standards and regulatory requirements.
- Administer Microsoft Entra ID, including Conditional Access, identity protection, and role-based access control.
- Manage hybrid identity integrations with on-premises Active Directory.
- Implement modern authentication and certificate-based access.
- Optimize Microsoft Teams, SharePoint, and OneDrive for business productivity.
- Establish governance for collaboration tools, including lifecycle management and external sharing.
- Support automation initiatives using Power Platform.
- Lead migrations to Microsoft 365 from on-premises or third-party platforms.
- Integrate Microsoft 365 services with enterprise applications and software-as-a-service platforms.
- Develop automation using PowerShell and Microsoft Graph API.
- Improve operational efficiency through scripting and process automation.
- Serve as the escalation point for complex technical issues.
- Conduct root cause analysis and implement preventive solutions.
- Define policies, standards, and best practices for Microsoft 365 usage.
- Maintain technical documentation, runbooks, and procedures.
- Microsoft certification is desired.
- Awareness of Information Technology Infrastructure Library (ITIL) is highly preferred.
Hyundai Autoever America is the North American technology-services organization supporting Hyundai Motor Group companies. Its capabilities span enterprise applications, connected mobility, data and analytics, cloud infrastructure, cybersecurity, manufacturing systems, and dealer technologies. Teams build and operate digital platforms used across automotive business and production environments. The company sits at the intersection of automotive operations and enterprise technology, connecting factory and vehicle systems with corporate platforms, infrastructure, data environments, dealer technologies, and customer-facing digital services. The work supports both business continuity and the group’s continuing automotive transformation.
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