Senior Penetration Testing Engineer

In this hybrid role based at our Chicago Headquarters, you will plan, execute, and report on penetration tests with a focus on web applications and web APIs across both internally developed and vendor SaaS solutions. Perform hands‑on offensive security testing to identify, validate, and drive remediation of vulnerabilities in modern application and API architectures. Support targeted testing of related infrastructure, cloud services, and internal systems as needed. Work with software engineering, application security, and cyber threat mitigation teams to strengthen the organization’s overall security posture.