Azure XDR and Sentinel Infrastructure Engineer

Description Azure XDR and Sentinel Infrastructure Engineer

Location:

Suitland, MD

Active TS/SCI

Leidos is seeking an experienced Azure XDR and Sentinel Infrastructure Engineer to support security operations across the NAVINTEL enterprise in Suitland, MD. This role engineers, administers, monitors, and sustains Microsoft Defender (XDR) and Microsoft Sentinel SIEM/SOAR environments at enterprise scale.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

• Engineer and maintain Defender and Sentinel integrations, analytics, data connectors, RBAC models, and platform health.
• Support lifecycle operations including upgrades, troubleshooting, detections, automation, and Tier III incident response.
• Design Azure cloud architecture supporting Zero Trust tools and secure monitoring pipelines.
• Develop and maintain diagrams, SOPs, configuration baselines, automation, and operational reports.

• Bachelor's degree in CS, IT, IA or a related area with 8+ years of experience or a Master's degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
• Active TS/SCI security clearance.
• Extensive experience with cyber infrastructure or security tool engineering.
• Demonstrated experience supporting Computer Network Defense (CND) operations and technologies.
• Professional experience designing, developing, integrating, implementing, operating, and analyzing cybersecurity technologies.
• Experience with Microsoft Sentinel, Defender, Azure cloud services, log ingestion, and automation.
• Strong understanding of SIEM, SOAR, incident response, RMF, STIG/SRG, and vulnerability remediation.

• Active IAT or IAM Level II / III DoD approved 8570 baseline certification, such as Security+ CE or CASP certification, or the ability to obtain the required certification within 30 days of hire.

Pay Range $ - $

Employment benefits include:

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

More details are available at

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.