Senior Security Engineer - SecOps

Truveta provides unprecedented real-world data and real-time intelligence, powered by a dataset built with and owned by US health systems united in a mission of Saving Lives with Data. Together, we power breakthrough medical discoveries, accelerate regulatory-grade evidence, and improve patient care. Today, Truveta enables research on more than 130 million de-identified patients across the US. Achieving Truveta’s ambitious mission requires an incredible team of talented and inspired people with a special combination of health, software and big data experience who share our company values . Responsibilities Incident Response Handle investigation and response to security incidents across endpoints, identities, email, cloud workloads, and SaaS applications Act as a senior escalation point for SOC analysts during complex or ambiguous security events Participate in on-call rotations and provide senior-level escalation support when needed Lead or contribute to post-incident reviews (RCA, postmortems) and track remediation actions to completion Ensure incidents are accurately documented for audit, compliance, and operational learning Maintain and improve incident response runbooks, playbooks, and escalation procedures Support incident readiness activities, including tabletop exercises and response drills Detection Engineering Automation Develop, tune, and maintain Microsoft Sentinel analytics rules to improve detection quality and reduce false positives Design and optimize KQL queries for investigations, threat hunting, and detection engineering Integrate and maintain log sources and data connectors in Microsoft Sentinel, ensuring data quality and proper normalization Build and maintain SOAR automation and playbooks (Logic Apps) for alert enrichment, triage, and response Proactive Security Posture Perform proactive threat hunting across Microsoft Sentinel and Defender data to identify emerging or stealthy threats Monitor and continuously improve detection coverage and security posture (e.g., Secure Score, exposure signals) SOC Maturity Collaboration Track and report on SOC and incident metrics such as MTTD, MTTA, MTTR, alert volume, and detection effectiveness Partner with engineering and infrastructure teams to drive long-term remediation and risk reduction Contribute to the continuous improvement of SOC tooling, automation, and operational maturity Help define and improve SOC processes, workflows, and standards Continuous Learning Stay current on threat intelligence, attacker techniques (MITRE ATTCK), and the Microsoft security roadmap Key Qualifications The knowledge, skills, and abilities typically acquired through the completion of a Bachelor’s degree in Cyber Security , Computer Science, Information Security, Information Systems, or a related field, or equivalent practical experience. 5+ years of experience in Security Operations (SOC), Incident Response, or Detection Response role, with demonstrated ownership of complex security incidents. Hands-on experience with Microsoft Sentinel (SIEM) and Microsoft Defender XDR (Defender for Endpoint, Identity, Offic e 365, Cloud Apps). P roficiency in KQL (Kusto Query Language) for investigations, threat hunting, and detection engineering. Experience designing, tuning, and maintaining SIEM detections and SOAR automation, including alert triage and response workflows. Solid understanding of Azure cloud architecture, core services, and native security controls. Familiarity with Azure Entra ID, identity security concepts, RBAC, and IAM-related threats. E xperience with handing high-severity security incidents, including cross-team coordination and stakeholder communication. Familiarity with MITRE ATTCK, threat actor techniques, and modern attack methodologies across cloud, identity, and endpoint environments. Experience supporting on-call rotations and working in a 24/7 or follow-the-sun SOC environment. Strong written and ver ... (truncated, view full listing at source)