Offensive Security Engineer

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Team Overview We are seeking a skilled and detail-oriented Network Penetration Tester to join our cybersecurity team. This role combines hands-on technical expertise in identifying and mitigating vulnerabilities within corporate networks with operational responsibilities for scheduling and coordinating penetration testing activities across the organization.

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week. Role Overview And Core Responsibilities Key Responsibilities: Penetration Testing: Conduct network penetration tests to identify vulnerabilities, misconfigurations, and potential attack vectors. Simulate real-world attacks to assess the security posture of corporate systems, applications, and infrastructure. Develop and execute test plans, including reconnaissance, exploitation, post-exploitation, and reporting. Document findings with clear risk ratings and remediation recommendations. Collaborate with IT and security teams to validate fixes and retest as needed.

Required Knowledge And Experiences Qualifications: Bachelor’s degree in Computer Science, Cybersecurity, or related field (or equivalent experience). 3+ Years Experience in penetration testing, preferably in internal/corporate environments. Strong understanding of networking protocols, Windows/Linux environments, Active Directory, and common enterprise technologies. Familiarity with tools such as Nmap, Metasploit, Burp Suite, Nessus, and custom scripts. Experience with vulnerability management platforms and ticketing systems. Excellent organizational and communication skills for scheduling and stakeholder coordination. Certifications such as OSCP, CEH, GPEN, or similar are a plus.

TransUnion Overview: At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good , which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.   Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology.

TransUnion Job Title

Lead Engineer, Cybersecurity