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Senior Microsoft Cloud Security Engineer

CACI


Job Location:

Arlington, TX - USA

Yearly Salary: USD 131800 - 290000
Posted: 4 September 2026 (10 hours ago)
Application Deadline: 2 December 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Senior Microsoft Cloud Security Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

* * *


The Opportunity:

CACI has an exciting position for a Senior Microsoft Cloud Security Engineer as we deploy manage and hardening our Microsoft cloud environment including Azure Office 365 and Microsoft 365. The Senior Microsoft Cloud Security Engineer should thrive on complexity possess an analytical mindset and bring deep expertise on managing and securing Microsofts cloud platform. Youll collaborate across teams collaborating with security engineers cloud architects identity teams and incident response analysts to ensure our tenant is resilient compliant and always mission ready.


Responsibilities:

- Serve as the go-to subject matter expert (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



Qualifications:

Required:

- Ability to Obtain DHS EOD Public Trust Clearance
- Masters Degree 10 years experience OR Bachelors degree 13 years OR 19 years total experience
- Expert-level hands-on experience deploying managing and securing Azure Entra Defender Purview Office 365 and Microsoft 365 in large enterprises.
- Deep understanding of Conditional Access Policies (CAPs) Azure AD/Entra and Zero Trust principles.
- Proven Track record implementing and managing the full suite of the Microsoft Defender ecosystem and Microsoft Purview (DLP sensitivity labels eDiscovery)
- Advanced proficiency writing KQL for detection investigation response and reporting
- Active expert-level certification such as Microsoft Certified Solutions Expert (MSCE) Microsoft 365 Admin Expert Microsoft Cybersecurity Architect Expert AZ-900 AZ-500 SC-900 SC-100 SC-200 SC-300 SC-400 SC-401
- Cybersecurity certifications: Security
- Strong networking firewall VPN and segmentation knowledge as it relates to cloud deployments
- Exceptional time management written and communication skills.

- Participate in rotating on-call schedule across the team to provide incident response or support during outages.


Desired:


- CISSP OSCP GCIH
- ITIL Agile or PMP familiarity/certification
- Experience with SOAR platforms (e.g. Splunk Microsoft Sentinel)
- Hands-on exposure to third-party cloud security tooling (CASBs CNAAPs SD-WANs)
- Previous consulting or client-facing delivery experience

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What You Can Expect:

A culture of integrity.

At CACI we place character and innovation at the center of everything we do. As a valued team member youll be part of a high-performing group dedicated to our customers missions and driven by a higher purpose to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. Youll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together we will advance our nations most critical missions build on our lengthy track record of business success and find opportunities to break new ground in your career and in our legacy.


Pay Range:

There are a host of factors that can influence final salary including but not limited to geographic location Federal Government contract labor categories and contract wage rates relevant prior work experience specific skills and competencies education and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI you will receive comprehensive benefits such as; healthcare wellness financial retirement family support continuing education and time off benefits.

The proposed salary range for this position is:

$131800 - $290000

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex pregnancy sexual orientation age national origin disability status as a protected veteran or any otherprotectedcharacteristic.

Required Experience:

Senior IC


About Company

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CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security miss ... View more

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