Senior Security Investigator - Insider Risk

Microsoft
United States, Texas, Irving
7000 State Highway 161 (Show on map)
Mar 04, 2025
OverviewSecurity represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers' heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world. The Microsoft Insider Risk Program is dedicated to safeguarding our people, data, and intellectual property from internal threats that could compromise the security and integrity of the company. Built on a foundation of innovation and collaboration, the program combines proactive detection, advanced data analytics, and effective response mechanisms to identify and mitigate insider risks. Our team is focused on developing advanced detection and response capabilities, enabling Microsoft to remain resilient against internal risks in an ever-evolving threat landscape. As Senior Security Engineer with deep technical expertise in cybersecurity and insider risk, you will drive advanced detection, forensic analysis, and response across diverse environments-ranging from on-premises infrastructure to cloud-based services. In this role, you will combine in-depth technical investigations with cross-functional collaboration to uncover and neutralize insider threats. Your ability to probe deeply into security incidents and craft forward-thinking detection strategies will help safeguard Microsoft's most critical assets and maintain a resilient security posture against internal adversaries.Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day. Responsibilities Continuously assess security alerts generated by insider threat detection systems in various environments (on-prem, cloud, endpoints, and more).Design and implement detection rules, scripts, and algorithms that identify anomalous user behaviors indicative of insider threats.Analyze system logs, network traffic, authentication records, and application data to identify and assess potential security threats.Use advanced correlation techniques to link suspicious activities across multiple data sources, building comprehensive narratives around insider threat scenarios.Serve as a technical lead during insider threat incidents, coordinating containment and remediation efforts with Legal (CELA), HR, and other security teams.Develop and maintain standard operating procedures (SOPs) and playbooks that streamline alert triage, investigation, and escalation processes.