Microsoft Messaging Collaboration Architect Jobs

10331 - Sr. Engineering Systems Administrator - Microsoft 365
Location: Irvine, CA 92614 (5 days on-site)
COMPANY OVERVIEW
Hyundai AutoEver America (HAEA) is the dynamic IT powerhouse behind Hyundai Motor Corporation, a Fortune 500 global leader in the automotive industry. As a key affiliate, we provide cutting-edge Professional and Managed IT Services and Support to top Hyundai affiliate brands including Kia, Genesis, Hyundai Translead, Hyundai Mobis, Hyundai Capital, and Glovis. 
At HAEA, we understand that IT is the cornerstone of today’s fast-evolving digital world. By uniting all IT resources under one roof, we deliver consistent, top-quality solutions while serving as the crucial information link between Hyundai’s Global Headquarters and North American operations. 
HAEA offers a truly global and collaborative environment. Here, you’ll drive innovation, boost operational efficiency, and help shape the future of mobility for the Hyundai Motor Group. If you’re passionate about technology and eager to make a real impact at a world-class company, Hyundai AutoEver America is the place to grow your career. Join us and be part of the transformation that’s driving the future of automotive innovation. 
Website: http://www.haeaus.com 
What you will be doing:
Sr. Engineering Systems Administrator – M365 is a specialized technical professional responsible for the design, implementation, and support of our M365 environment. This role will serve as the technical authority across all M365 services, ensuring secure, scalable, and efficient collaboration solutions that align with business objectives
Architecture & Engineering

• Design and implement enterprise-grade Microsoft 365 solutions, including Exchange Online, SharePoint Online, OneDrive, Microsoft Teams, and Entra ID.
• Lead architecture decisions for hybrid and cloud-first environments.
• Develop and maintain identity and access strategies (SSO, MFA, Conditional Access).

Administration & Operations

• Manage and maintain the M365 tenant, ensuring high availability and performance
• Oversee user lifecycle management, licensing, and service configurations.
• Monitor service health and proactively resolve issues.

Security & Compliance

• Implement and manage security solutions including Microsoft Defender and compliance tools.
• Configure Data Loss Prevention (DLP), retention policies, eDiscovery, and insider risk controls.
• Ensure adherence to security standards and regulatory requirements.

Identity & Access Management

• Administer Entra ID (Azure AD), including Conditional Access, identity protection, and RBAC.
• Manage hybrid identity integrations with on-prem Active Directory.
• Implement modern authentication and certificate-based access.

Collaboration & Productivity

• 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.

Migration & Integration

• Lead migrations to Microsoft 365 from on-prem or third-party platforms.
• Integrate M365 services with enterprise applications and SaaS platforms.

Automation & Scripting

• Develop automation using PowerShell and Microsoft Graph API.
• Improve operational efficiency through scripting and process automation.

Incident Management

• Serve as escalation point for complex technical issues.
• Conduct root cause analysis and implement preventive solutions.

Governance & Documentation

• Define policies, standards, and best practices for M365 usage.
• Maintain technical documentation, runbooks, and procedures.

What we require from you:

• Bachelor's degree in IT/IS desired or equivalent practical 10+ years of experience in IT Systems Engineering required.
• 10 years of experience with Microsoft 365 administration and engineering.
• Microsoft Certification is desired.
• Awareness of ITIL- highly preferred
• Core Microsoft 365 Platform Expertise which include:
  1. Deep hands-on knowledge of the major workloads:

• Microsoft 365 (overall architecture, licensing, tenant management)
• Exchange Online (mail flow, connectors, hybrid setup, security)
• SharePoint Online (sites, permissions, governance)
• Microsoft Teams (voice, meetings, policies, integrations)
• OneDrive (sync, sharing controls, retention)

• Microsoft Entra ID
• Hybrid identity (AD Connect, federation, SSO)
• Conditional Access, MFA, Zero Trust
• RBAC and least privilege design
• Identity lifecycle (joiner/mover/leaver)
  1. Deep hands-on knowledge of Security & Compliance
• Microsoft Defender for Office 365
• Microsoft Purview
• Data Loss Prevention, Insider Risk, eDiscovery
• Information Protection (sensitivity labels, encryption)
• Threat protection (phishing, malware, Safe Links/Attachments)
  1. Expert Level knowledge of Messaging & Collaboration Architecture

• Mail routing, SMTP relays, hybrid Exchange
• Teams telephony
• External sharing and B2B collaboration
• Governance strategies
  1. Deep understanding of

• DNS (MX, SPF, DKIM, DMARC)
• Certificates and TLS
• Firewalls, proxies, and endpoints
• Latency and service connectivity

SALARY RANGE: $140-150K
TEAM CULTURE
Our team thrives on collaboration, innovation, and continuous learning. We foster a supportive environment where every member is encouraged to share ideas and contribute to problem-solving. We value: 

• Passion for Technology: We are enthusiastic about emerging technologies and their potential to transform the automotive industry. 
• Agility: We work in an agile environment, adapting quickly to changes and continuously improving our processes. 
• Teamwork: We believe in the power of teamwork and collaboration, supporting each other to achieve common goals. 
• Growth: We prioritize personal and professional growth, offering opportunities for learning and development. 
• Inclusivity: We maintain an inclusive culture where diverse perspectives are valued, and everyone feels welcome. 

Our Company adheres to the equal employment opportunity guidelines set forth by federal, state and local laws. The information requested on this form is sought in good faith and will not be used to discriminate against the applicant based on race, religion or creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic characteristics, marital status, sex or gender (which includes pregnancy, childbirth, or related circumstances), gender identity, gender expression, age, citizenship, sexual orientation, family care or medical leave status, military and veteran status, political affiliation, or any other characteristic protected by federal, state and local laws.
 

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