Job-Specific Essential Duties and Responsibilities:
- Provide Tier‑3 engineering support for Microsoft 365 GCC, Exchange Online, hybrid Exchange Server, and SharePoint Online environments, ensuring platform availability, performance, and security.
- Manage, monitor, restore, and optimize enterprise email and messaging services, including mailbox services, transport, retention, and e‑discovery capabilities.
- Support SharePoint Online platform operations, including site collections, permissions, integrations, and collaboration workloads aligned with enterprise messaging services.
- Plan, test, execute, and support upgrades, patches, and migrations across cloud and hybrid environments while minimizing user impact and service disruption.
- Perform break‑fix restoration, root cause analysis, and complex incident resolution in coordination with incident management and cybersecurity teams.
- Support the segregation and elimination of malicious software and spam traffic in accordance with security policies and directives.
- Develop and maintain technical documentation, standard operating procedures, and platform diagrams.
Job-Specific Minimum Requirements:
- Bachelor’s degree in Information Technology, Computer Science, or a related field or equivalent years of relevant experience.
- 5+ years supporting Microsoft enterprise collaboration platforms, including Microsoft 365, Exchange, and/or SharePoint in cloud or hybrid environments.
- Demonstrated experience administering Microsoft 365 (Government or Commercial) environments, including Exchange Online and hybrid Exchange Server, supporting large enterprise user populations (10,000+ users).
- Hands‑on experience providing Tier‑3 engineering support, including complex incident resolution, root cause analysis, service restoration, and execution of approved changes in production cloud and hybrid environments.
- Experience administering SharePoint Online, including site collections, permissions, governance controls, and integration with Microsoft 365 collaboration services.
- Experience planning and executing upgrades, patches, and migrations for enterprise messaging and collaboration platforms.
- Working knowledge of email security and malware mitigation, including spam filtering, malicious content isolation, and alignment with cybersecurity policies and NIST SP 800‑53 controls.
- Ability to obtain and maintain a Public Trust (or higher) clearance.
Preferred Skills and Qualifications:
- Microsoft 365 certification
- Hands‑on experience with Microsoft 365 GCC or other regulated government cloud environments.
- Experience supporting large‑scale hybrid Exchange deployments.
- Strong understanding of email security, spam filtering, and malware mitigation.
- Experience with SharePoint Online administration and integration with Teams and Exchange.
- Familiarity with ServiceNow or similar ITSM platforms.
- Experience operating in a 24x7x365 enterprise operations environment.
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