Senior Cloud Engineer | M365 & Entra Identity

AIR; Arlington (VA); Hybrid; USD 140,000 - 165,000; Full time

Job summary

AIR's Tek Office is seeking an experienced Senior Cloud Engineer focusing on Microsoft 365/Entra to manage and optimize tenant environments, with emphasis on Exchange Online, identity, security, and collaboration services. The role emphasizes automation, scripting, and modern cloud practices within a hybrid work setup in the Virginia office and remote options.

You will lead incident response, develop runbooks, and mentor junior colleagues while collaborating with security and networking teams to

Qualifications

• 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.

Responsibilities

• 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.

Skills

Effective communicator

Independent worker

Fast-paced environment

Analytical thinking

Identity and access concepts

Problem solving

Willingness to learn

Team mentoring

Education

Bachelor's degree in Computer Science/Engineering

Master's degree (optional)

15+ years IT experience (alternative)

Tools

Azure DevOps

GitHub

PowerShell

Microsoft Graph API

Microsoft Sentinel

Kubernetes/AKS

LSoft List-Plex

Job description

AIR's Tek Office is seeking an experienced Senior Cloud Engineer focusing on Microsoft 365/Entra to manage and optimize tenant environments, with emphasis on Exchange Online, identity, security, and collaboration services. The role emphasizes automation, scripting, and modern cloud practices within a hybrid work setup in the Virginia office and remote options.

You will lead incident response, develop runbooks, and mentor junior colleagues while collaborating with security and networking teams to