Senior Azure Cloud Security Engineer

CACI International Inc; Arlington (VA); On-site; USD 132,000 - 290,000; Full time

Job summary

CACI International Inc in Arlington, VA is seeking a Senior Microsoft Cloud Security Engineer to lead securing and optimizing our Microsoft cloud stack, including Azure, Entra, Defender, and Purview.

You will collaborate across security, cloud, identity, and incident response teams to design secure architectures, implement policy, and guide on-call support. This role demands deep expertise and a proactive security mindset.

Qualifications

• Ability to Obtain DHS EOD Public Trust Clearance.
• Advanced proficiency writing KQL for detection, investigation, response and reporting.
• Active, expert-level certifications such as MCSE, Microsoft 365 Admin Expert, Microsoft Cybersecurity Architect Expert, AZ-900, AZ-500, SC-900, SC-100, SC-200, SC-300, SC-400, SC-401.
• Expert-level hands-on experience deploying, managing, and securing Azure, Entra, Defender, Purview, Office 365 and Microsoft 365 in large enterprises.
• Strong knowledge of Conditional Access Policies (CAPs), Azure AD/Entra, and Zero Trust principles.

Responsibilities

• Serve as the go-to SME for securing the Microsoft cloud tenant, advising on architecture, design, and implementation of secure solutions across Azure, O365, and M365.
• Lead the development and enforcement of Conditional Access Policies, aligned with best practices for managing access control for personas, groups, and applications.
• Act as the primary SME in optimizing the Microsoft Defender suite of components (Defender for Endpoint, Defender for Cloud, Defender for Identity, and Defender for Office 365).
• Implement Microsoft Purview, including data classification and sensitivity labels, Data Loss Prevent (DLP), and eDiscovery workflows.
• Design, run and optimize Kusto Query Language (KQL) queries for Azure Sentinel, Defender, and log analytics.
• Review and remediate security controls through vulnerability assessments, penetration tests, and red/blue team engagements.
• Guide cross-functional teams on security controls, compliance requirements, policy, and governance best practices.

Skills

Azure

Zero Trust

KQL

Defender Suite

Security Architecture

Incident Response

Education

Master's Degree

Bachelor's Degree

Tools

Microsoft Defender

Purview

Azure AD/Entra

Office 365

M365

Job description

CACI International Inc in Arlington, VA is seeking a Senior Microsoft Cloud Security Engineer to lead securing and optimizing our Microsoft cloud stack, including Azure, Entra, Defender, and Purview.

You will collaborate across security, cloud, identity, and incident response teams to design secure architectures, implement policy, and guide on-call support. This role demands deep expertise and a proactive security mindset.