Identity & Collaboration Infrastructure Engineer

Support and evolve the enterprise identity, messaging, and collaboration platforms as part of the Directory & Unified Communications team. This role focuses on stability, optimization, and modernization of core Microsoft and SaaS collaboration technologies in a large-scale hybrid environment.

Key Responsibilities

• Serve as Tier-3 escalation support for identity, messaging, and collaboration platforms through ServiceNow.
• Administer and optimize Active Directory, Azure AD, Exchange (on-prem and online), and Office 365 hybrid services.
• Support enterprise collaboration platforms including Slack, Skype for Business, and Zoom.
• Perform advanced troubleshooting and root-cause analysis across directory, email, and communications services.
• Partner with engineering teams on planned upgrades, migrations, and new platform initiatives.
• Coordinate with vendors to resolve complex platform issues and track incidents through closure.
• Contribute to operational excellence by refining procedures, automation, and technical documentation.
• Identify performance, reliability, and security improvement opportunities within identity and messaging systems.
• Participate in an on-call rotation supporting a 24x7 global environment.

Qualifications:

• 5+ years administering enterprise Active Directory, messaging, and collaboration platforms.
• Deep hands-on experience with Microsoft Exchange (2010–2019) and Exchange Online.
• Strong knowledge of Office 365 and hybrid Microsoft environments.
• Experience managing Windows Server 2012–2019 infrastructure.
• Solid understanding of core networking services (DNS, DHCP, SMTP, TCP/IP).
• Familiarity with GitHub Enterprise and scripting or pattern matching (Regex).
• Demonstrated ownership mindset with a focus on problem resolution and process improvement.