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The Senior Information Security Analyst is a senior individual contributor within the Cyber Defense team responsible for leading security investigations, incident response, threat detection and hunting, and the continuous improvement of enterprise security operations. The role works across endpoint, identity, email, cloud, and data security technologies to identify, contain, and remediate threats.

The successful candidate will be an experienced, hands-on security professional who can independently lead complex investigations, improve detections and response processes, mentor other analysts, and take ownership of key Cyber Defense capabilities. Experience with data loss prevention (DLP) and data security is strongly preferred.

Security Operations & Incident Response

Lead investigation, containment, remediation, and post-incident review of cybersecurity incidents across endpoint, identity, email, cloud, and network environments

Investigate suspicious activity using SIEM, EDR/XDR, identity, email security, and other enterprise security telemetry

Develop incident timelines, determine scope and root cause, document findings, and communicate risk and recommended actions to technical and leadership stakeholders

Perform proactive threat hunting and identify opportunities to improve detection and response coverage

Serve as an escalation point and mentor for other security analysts during complex investigations

Detection, SIEM & Automation

Develop, tune, and improve security detections and correlation logic based on threats, incidents, and observed control gaps

Use enterprise SIEM platforms to investigate threats, hunt across security telemetry, and improve monitoring coverage

Support security orchestration and automation use cases, including playbooks for investigation, enrichment, containment, and notification

Identify repetitive SOC processes that can be automated or streamlined

Endpoint, Identity & Cloud Threat Detection

Investigate endpoint threats using CrowdStrike Falcon or comparable enterprise EDR/XDR platforms

Investigate identity-based attacks involving Active Directory, Microsoft Entra ID, authentication, privileged accounts, OAuth applications, and session/token abuse

Analyze Microsoft 365 and cloud security events and work with engineering and infrastructure teams on containment and remediation

Use threat intelligence and indicators of compromise to scope incidents and proactively hunt for related activity

Data Security & DLP

Support and improve enterprise DLP and data security monitoring across endpoint, email, cloud, and collaboration platforms

Investigate potential data-loss, sensitive-data exposure, and policy-violation events and coordinate appropriate response

Assist with tuning DLP policies and workflows to improve detection quality while reducing unnecessary business impact

Partner with security, privacy, legal, and business stakeholders as appropriate during sensitive-data investigations

Cyber Defense Program Improvement

Identify gaps discovered through incidents, threat hunting, and operational analysis and recommend practical improvements

Develop and maintain investigation procedures, response playbooks, and operational documentation

Collaborate with Security Engineering, IAM, Network, Cloud, and other technology teams to strengthen preventive and detective controls

Take ownership of assigned Cyber Defense technologies or operational capabilities and drive their continued maturity

Bachelor's degree in Cybersecurity, Information Technology, or a related field, or equivalent professional experience

7+ years of relevant cybersecurity experience, including significant hands-on security operations, incident response, threat detection, or threat hunting experience

Demonstrated ability to independently investigate and lead complex cybersecurity incidents

Hands-on experience with enterprise SIEM and EDR/XDR technologies

Strong understanding of endpoint, identity, network, email, and cloud attack techniques

Working knowledge of Active Directory and Microsoft Entra ID security concepts

Strong analytical, troubleshooting, documentation, and communication skills

CrowdStrike Falcon, including EDR and/or Identity Protection

Splunk Enterprise Security, CrowdStrike Next-Gen SIEM, Microsoft Sentinel, or comparable enterprise SIEM platforms

Cortex XSOAR or comparable SOAR/security automation platforms

Microsoft 365 and Entra ID security investigations

Enterprise DLP/data security technologies such as Proofpoint, Microsoft Purview, or comparable platforms

Email security and account-takeover investigation

PowerShell, Python, SPL, KQL, or other scripting/query languages used for security investigation and automation

Threat intelligence, vulnerability/exposure management, and hybrid enterprise environments