Senior Cyber Security Specialist I - Threat Detection and Response

Senior Security AnalystThis role supports Walgreens' Threat Detection and Response function, focusing on investigating and responding to security incidents across the enterprise. As a senior-level individual contributor, you will serve as an escalation point, owning incidents end to end from triage through root cause analysis and remediation. Requiring hands-on expertise, strong judgment, and the ability to operate independently. You will build detection capabilities, proactively hunt for threats, and improve response effectiveness through automation.

This work spans hybrid infrastructure, applications, and enterprise systems, using log analysis, behavioral signals, and threat intelligence to identify and mitigate risk.Key responsibilities include:Designing and implementing detection across enterprise environmentsDeveloping automation to improve detection and response efficiencyLeading incident response efforts and driving investigations to resolutionPartnering with cross-functional teams to improve logging, telemetry, and observabilityConducting proactive threat hunting and operationalizing findings into detectionsMentoring team members and contributing to overall team capabilitySuccess in this role requires the ability to operate effectively in ambiguous situations, take ownership of work, and independently drive outcomes. The ideal candidate is comfortable navigating complex environments, identifying gaps, and developing solutions that strengthen the organization's security posture. Location Requirement: This is a hybrid role based in Deerfield, IL (Walgreens Corporate Office), with 4 days onsite and 1 day remote. Work Authorization: Work visa sponsorship is not available for this role.Job Responsibilities:Monitors, identifies, investigates and analyzes all response activities related to cybersecurity incidents within the organization that require broad expertise or unique knowledge.Identifies security flaws and vulnerabilities; responds to cybersecurity incidents, conducts threat analysis as directed and addresses detected incidents.Evaluates event flows to identify common to advanced risks and vulnerabilities to develop and implement solutions.Provides assistance in monitoring the security of all designated networks and systems.May prepare detailed incident reports and technical briefs for the IT security team.

May present issues to teamThis role works on significant and unique issues where analysis of situations or data requires an evaluation of intangibles. Exercises independent judgment in methods, techniques and evaluation criteria for obtaining results.Assists with security audits, risk analysis, network forensics and penetration testing.Creates formal networks involving coordination among groups.May indirectly supervise other Specialists.Provides subject matter expertise and insight to clients about industry attack trends and defenses by developing and maintaining deep awareness and understanding of evolving threats, adversaries and intrusion trends. Provides subject matter expertise to less experienced team members. May participate in teaching and training members of the work team.About Walgreens Founded in 1901, Walgreens ( has a storied heritage of caring for communities for generations and proudly serves nearly 9 million customers and patients each day across its approximately 8,500 stores throughout the U.S.

and Puerto Rico, and leading omni channel platforms. Walgreens has approximately 220,000 team members, including nearly 90,000 healthcare service providers, and is committed to being the first choice for retail pharmacy and health services, building trusted relationships that create healthier futures for customers, patients, team members and communities.