Senior Cyber Security Engineer — Detection & Response Lead

Walgreens; Chicago (IL); Hybrid; USD 100,000 - 175,000; Full time

Job summary

Walgreens in Deerfield, IL is seeking a Senior Cyber Security Engineer I to own the development and continuous improvement of the company’s detection stack, building high‑fidelity detection logic and automating incident response workflows.

The ideal candidate has hands‑on experience in detection engineering and security operations, with knowledge of attacker tactics and techniques and prior work maturing detection content that scales across platforms.

Qualifications

• Minimum 2 years in IT Security or 4 years with HS diploma.
• Experience with security protocols, vulnerability assessment tools, and security management suites.
• Hands-on detection engineering and security operations experience.

Responsibilities

• Configure data security processes to minimize threats and vulnerabilities in complex systems.
• Design, build, operate and automate complex security solutions and processes to protect the integrity of the organization's network, systems, applications and data.
• May undertake necessary actions to eliminate identified threats. Under guidance, develops solutions to data access, modification, disclosure, destruction or other risks for whatever source, internal or external.
• Periodically conducts audits and tests to identify coding and documentation anomalies, and data security vulnerabilities and develops reports summarizing findings.
• Conducts security process administration including remediating vulnerabilities, evaluate and approve firewall requests and VPN access, and coordinate password changes.
• Recommends and implements solutions.
• Eradicates signs of intrusion. Participates in identifying and implementing additional security controls.
• Maintains senior level knowledge of security principles, practices and procedures, and encryption as they relate to the role, and monitors innovations in these areas.
• Continually evaluates and upgrades security features.
• Responds to incidents to identify root causes.
• Anticipates and prevents problems and roadblocks before they occur.
• Performs network security audits and testing and evaluates system security configurations to ensure efficacy and compliance with policies and procedures.

Skills

IT Security

Security Protocols

Vulnerability Management

Threat Detection

Incident Response

Scripting (PowerShell/Python)

Education

Bachelor's degree in Computer Science, Information Security, or related field

High School Diploma or GED with 4+ years IT Security experience

Tools

Splunk SOAR

Sigma rules

Git-based CI/CD

MITRE ATT&CK mapping

Job description

Walgreens in Deerfield, IL is seeking a Senior Cyber Security Engineer I to own the development and continuous improvement of the company’s detection stack, building high‑fidelity detection logic and automating incident response workflows.

The ideal candidate has hands‑on experience in detection engineering and security operations, with knowledge of attacker tactics and techniques and prior work maturing detection content that scales across platforms.