Job description

Microsoft Sentinel Security Engineer Location: Washington, D.C. Area Clearance: Public Trust Job Type: Full-Time | Company: EastBay Systems Job ID: 593 About EastBay Systems (Formerly DANASTAR) EastBay Systems is a government IT and cybersecurity consulting firm that has been delivering innovative and secure technology solutions to federal agencies since 2007. We specialize in Cybersecurity Program Management, GRC (Governance, Risk, and Compliance), SOC Support, and Secure Software Development. Our mission is to protect and enhance federal systems through advanced tools, proven frameworks, and expert teams. Position Summary We are seeking a skilled Microsoft Sentinel Security Engineer to support the implementation, configuration, and optimization of security operations using Microsoft Sentinel. The ideal candidate will be responsible for designing advanced detection logic, integrating data sources, building analytic rules, and automating threat responses. This role plays a vital part in EastBay Systems’ mission to secure our clients’ cloud and hybrid environments against emerging cyber threats. Key Responsibilities Deploy, configure, and manage Microsoft Sentinel for enterprise security monitoring Integrate Azure-native and third-party log sources and data connectors into Sentinel Develop and fine-tune analytic rules, workbooks, dashboards, hunting queries, and custom KQL queries Build and automate playbooks using Azure Logic Apps for security orchestration and response (SOAR) Analyze security alerts and provide recommendations for rule improvements Support threat hunting, incident response, and post-incident analysis within Sentinel Collaborate with SOC analysts, engineers, and compliance teams to ensure alignment with security policies and NIST/DoD frameworks Stay current with Microsoft security technologies, industry trends, and threat intelligence Required Qualifications Bachelor’s Degree in Cybersecurity, Computer Science, Information Systems, or a related field 5+ years of experience in cybersecurity, including 2+ years working with Microsoft Sentinel Proficiency with Kusto Query Language (KQL) for writing detection and hunting queries Hands-on experience with Azure Monitor, Azure Log Analytics, and Microsoft Defender XDR tools Familiarity with threat intelligence and behavioral analysis concepts Experience designing and maintaining SIEM alert rules and integrating with ticketing systems Excellent verbal and written communication skills Preferred Certifications Microsoft Certified: Security Operations Analyst Associate Microsoft Certified: Azure Security Engineer Associate (AZ-500) CISSP, Security+, or GIAC certifications Familiarity with NIST 800-53, RMF, and FedRAMP environments a plus Why Join EastBay Systems? Mission-driven work protecting government and critical infrastructure systems Competitive salary and full benefits package (medical, dental, vision) 401(k) Hybrid work options and generous PTO Opportunities for career growth Apply Now Submit your resume via email us at Jobs@eastbaysystems.com.

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