Sr. Cloud Engineer

Sr. Cloud Engineer-M365
Full time - Permanent
Hybrid - 2 days, Arlington, VA

About the job

Senior Cloud Engineer with a focus on Microsoft 365/Entra to join its diverse and talented group. The Senior Cloud Engineer manages and optimizes the organization’s Microsoft 365 and Entra ID tenants, with primary responsibility for Exchange Online, identity, security, and collaboration services. This role requires advanced skills in Microsoft 365 administration, investigation, and strong cross‑platform experience, with the ability to drive automation and modern cloud practices. 

 Top Skills

• 7+ years of experience in IT
• At least 5 years experience of hands‑on administration experience with Microsoft 365 and Entra ID in a mid‑ to large‑enterprise environment.
• Exposure to Azure DevOps, GitHub, or similar tools to manage scripts, pipelines, and infrastructure‑as‑code definitions for Microsoft 365.
• Strong experience using KQL in Microsoft 365 Defender, Sentinel, or Log Analytics to query logs, create custom detections, and analyze security or operational events.
• Demonstrated expert‑level experience with Exchange Online: mail flow troubleshooting, advanced transport configuration, security and compliance policies, and integration with third‑party services.

Key Responsibilities:

The key responsibilities for the position include, but are not limited to:

• Design, configure, and administer Microsoft 365 services including Exchange Online, SharePoint Online, OneDrive, Teams, Copilot, and related security/compliance features.
• Administer and harden Entra ID (Azure AD), including conditional access, identity protection, app registrations, and role‑based access control.
• Own Exchange Online configuration: mail flow, transport rules, connectors, policies, hybrid connectivity, and advanced troubleshooting of mail delivery issues.
• Investigate incidents, identify patterns, and develop detection queries and reports leveraging Microsoft 365 Defender, Purview, and Log Analytics.
• Collaborate with security and networking teams to implement and maintain security baselines, DLP, retention, eDiscovery, and auditing across the M365 environment.
• Develop and maintain automation, scripts, and integrations to streamline administration, reporting, and provisioning.
• Contribute to CI/CD and infrastructure‑as‑code practices (e.g., Azure DevOps, GitHub) for Microsoft 365 configuration and related workloads.
• Work with containerized and cloud workloads (e.g., Kubernetes) where they integrate with M365/Entra for identity, security, or application access.
• Lead complex incident response and root‑cause analysis for M365 and identity‑related outages and security events.
• Produce and maintain technical documentation, standards, runbooks, and architectural diagrams for Microsoft 365 and Entra services.
• Mentor junior collaborators and provide guidance on best practices, governance, and operational excellence.

Qualifications:
Education, Knowledge, and Experience:

• Bachelor’s degree in Computer Science, Computer Engineering, or related discipline and at least 9 years of relevant experience in the IT industry, or a master’s degree with at least 7 years of relevant experience, or at least 15 years of relevant industry experience.
• At least 5 years experience of hands‑on administration experience with Microsoft 365 and Entra ID in a mid‑ to large‑enterprise environment.
• Exposure to Azure DevOps, GitHub, or similar tools to manage scripts, pipelines, and infrastructure‑as‑code definitions for Microsoft 365.
• Strong experience using KQL in Microsoft 365 Defender, Sentinel, or Log Analytics to query logs, create custom detections, and analyze security or operational events.
• Demonstrated expert‑level experience with Exchange Online: mail flow troubleshooting, advanced transport configuration, security and compliance policies, and integration with third‑party services.