Practice - CIS - Cloud, Infrastructure, and Security Services About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the rapidly evolving needs of the digital era. Our holistic approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to run the business in a secure environment. Job Summary We are seeking a Senior Offensive Security Engineer to support advanced penetration testing, red team operations, and custom security tool development initiatives.



This role combines offensive security expertise with robust software engineering capabilities to identify vulnerabilities, simulate real-world attack scenarios, and develop automation solutions that enhance enterprise security testing. The ideal candidate will have hands‑on experience in penetration testing, red teaming, exploit research, and security tooling, with the ability to both assess and improve organizational security posture through custom-built solutions. *Please note, this role is not able to offer visa

📌 Senior Offensive Security – Penetration Testing & Red Team Engineer (Toronto)
🏢 Cognizant
📍 Toronto