Senior Sentinel Deployment Engineer

MANTECH seeks a motivated, career and customer-oriented Microsoft Sentinel Deployment Engineer in Fairmont, WV or Boulder, CO.

In this expert-level role, you will lead the deployment, configuration, and integration of Microsoft Sentinel in support of national security cyber defense missions. Your contributions will enhance situational awareness and ensure the security posture of critical networks.

Responsibilities include but are not limited to:

• Leading the architecture, deployment, and configuration of Microsoft Sentinel in classified environments
• Integrating Microsoft Sentinel with other cybersecurity tools and enterprise systems
• Developing and implementing analytic rules, playbooks, and dashboards within Microsoft Sentinel
• Creating and maintaining technical documentation including architecture diagrams, SOPs, and deployment guides
• Collaborating with cyber operations, incident response, and security engineering teams to refine use cases and detection logic
• Optimizing Sentinel's performance and ensuring effective threat visibility and alerting
• Supporting ATO efforts by ensuring deployed solutions comply with security requirements
• Training staff on Sentinel features, functionality, and analytic content development

Minimum Qualifications:

• Bachelor's degree in a technical field (Computer Science, Engineering, Cybersecurity, or related discipline) and 9+ years of relevant experience; or Master's degree and 7+ years of experience
• Expert-level hands-on experience with Microsoft Sentinel in operational environments
• Strong background in SIEM technologies, cybersecurity analytics, and threat detection
• Familiarity with Kusto Query Language (KQL), Microsoft Defender solutions, and Azure architecture
• Demonstrated experience supporting classified networks and securing cloud-native security tools
• Experience developing detection rules, workbooks, and automation playbooks within Sentinel

Preferred Qualifications:

• Microsoft Certified: Security Operations Analyst Associate or related Microsoft certifications
• Experience with PowerShell, Azure Logic Apps, and Microsoft Purview
• Understanding of cyber frameworks such as MITRE ATT&CK, NIST 800-53, and RMF

Clearance Requirements:

• Must have a current/active Top Secret clearance
• Must be a U.S. Citizen

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations