Active Directory / Windows Engineer

Job Description

Role: Active Directory / Windows Engineer

Location: Irvine CA

Duration: Full time / Contract to hire

Technical Expertise

• 10+ years in enterprise messaging and directory services (Microsoft-focused)
• Proven experience in Exchange Online, Exchange Hybrid, and Active Directory / Azure AD
• Deep knowledge of M365 tenant configurations, mail flow routing, and domain migration
• Expertise in identity synchronization (AD Connect, Entra ID) and conditional access
• Understanding of DNS, SPF, DKIM, DMARC, and MX records
• Experience with Mimecast or similar email security gateways
• Familiarity with PowerShell scripting for automation and configuration discovery.
• 10+ years’ experience in large Enterprise environments with thousands of users and hundreds of servers and critical Enterprise Applications
• Strong understanding of overall IT Infrastructure concepts including data center, compute, storage, networking, security, identity, DR, HA, etc.
• Strong capabilities with MS Office/365 tools including Outlook, Excel, Word, Powerpoint, Visio, Teams, etc.
• Manage and maintain Active Directory leveraging scripts and automation wherever applicable
• Supporting and adhering to change management process.
• Collaboration with network, InfoSec, storage, data center, vendors, and other stakeholders in support of the running environment and project initiatives
• Participation in triage and troubleshooting for all responsible technologies
• Develop and maintain technical documentation describing the environment

Soft Skills

• Strong analytical and documentation abilities
• Excellent communication skills to bridge technical and business audiences
• Capable of leading technical discovery workshops with multiple stakeholders
• Highly organized, detail-oriented, and capable of managing complex dependencies

Preferred Qualifications

• Microsoft Certified: Messaging Administrator Associate or Enterprise Administrator Expert
• Prior experience with tenant-to-tenant migrations or domain consolidation projects
• Exposure to international domain management and multi-region M365 environments
• Experience with email compliance and retention policies under global regulatory frameworks (e.g., KSOX, GDPR)

Company Overview

OSI Digital, Inc., (formerly OSI Consulting, Inc.) provides purpose-built business and technology solutions that optimize performance to enable data-driven outcomes for our customers. OSI accelerates digital transformation by offering integrated solutions that capture, secure, integrate, analyze and optimize data. Our services include the design, development and implementation of new solutions as well as the ongoing management, enhancement and support of our customers’ existing business systems.

OSI Digital was founded in 1993, in California and has since expanded to a team of over 1,400 employees worldwide. We have offices in the US, Canada, India, Philippines, Dubai and Australia. Our main o shore delivery center of excellence is located at our state-of-the-art campus in Hyderabad, India, with additional locations in Chennai, Delhi and Bangalore. For over 25 years, we have supported a diverse portfolio of customers across various industries, including: Software & Business Services, Financial Services, Life Sciences & Healthcare, Manufacturing, Energy, Retail and Agriculture.

Our client base ranges from start-ups to Fortune 500 corporations, including: Exelon, GE, Hyundai, Toyota, Gilead, Allergan, Yamaha, Gap and Skechers. OSI Digital has developed strong partner alliances with the world’s leading technology providers such as Tableau, Salesforce, Oracle, Microsoft, GE, Amazon Web Services, Dell Boomi and Red Hat.

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