CBO - Senior Security Engineer

cFocus Software seeks a Senior Security Engineer to join our program supporting the Congressional Budget Office (CBO). This position is remote. This position requires a Public Trust clearance.Qualifications:Active Public Trust clearanceB.S. Computer Science, Information Technology, or a related field8+ years of Security Engineering experienceStrong experience with Microsoft Sentinel (SIEM) operations and engineeringExperience with Microsoft Defender for Endpoint (MDE) and Defender for Identity (MDI)Knowledge of AWS logging (CloudTrail, VPC Flow Logs) and cloud security monitoringExperience with log ingestion, normalization, and schema mappingUnderstanding of incident response, threat detection, and SOC operationsFamiliarity with NIST frameworks (800-53, 800-61, 800-92) and Zero Trust principlesExperience with detection engineering and threat hunting methodologiesPreferred certifications include but are not limited toGCIA, GCIH, CISSP, CEH, or equivalent cybersecurity certifications Microsoft Sentinel or Microsoft security platform certifications Relevant cloud security certifications (e.g., AWS security) Privacy certifications (e.g., CIPP/US, CIPM) where applicable Duties:Review Microsoft Sentinel log ingestion, pipeline health, and monitoring coverageValidate, develop, and tune detection use cases aligned with MITRE ATT&CKIdentify telemetry gaps and ensure proper ingestion and normalization of logsCoordinate remediation activities with CBO IRM staffSupport vulnerability prioritization and patch governance validationValidate log routing, transformation, and normalization (e.g., Cribl or similar tools)Provide technical support during security incidents and escalation eventsSupport detection engineering, threat hunting, and SOC automation initiativesEnsure alignment with Microsoft Defender (Endpoint, Identity) and AWS log sources