Offensive Security Engineer

Reposted Yesterday
Be an Early Applicant
2 Locations
Hybrid
Mid level
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
The Role
The Offensive Security Engineer conducts penetration tests, identifies vulnerabilities, documents findings, and collaborates with IT to ensure security fixes are validated and retested.
Summary Generated by Built In

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What We'll Bring:

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.

What You'll Bring:

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.

Impact You'll Make:

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.

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.

TransUnion Job Title

Lead Engineer, Cybersecurity

Skills Required

  • Bachelor's degree in Computer Science, Cybersecurity, or related field or equivalent experience
  • 3+ years experience in penetration testing
  • Strong understanding of networking protocols and environments
  • Familiarity with penetration testing tools
  • Experience with vulnerability management platforms
  • Excellent organizational and communication skills
  • Certifications such as OSCP, CEH, GPEN are a plus

What the Team is Saying

Patrick
Tiana
Jason
Lauren
TC
Jay
Aayushi
Paul

TransUnion Compensation & Benefits Highlights

  • Parental & Family Support Paid, gender‑neutral parental leave with a gradual return is highlighted alongside adoption/surrogacy/infertility support and backup care through Care@Work. Dependent‑care FSA options and caregiver assistance further bolster family support.
  • Healthcare Strength Day‑one medical, dental, and vision coverage is offered with HSA/FSA options, EAP/therapy sessions, 24/7 support, and wellness programming. Coverage extends to dependents and includes mental‑health resources.
  • Retirement Support A 401(k) plan features no waiting period, an employer match, and immediate 100% vesting. Employees can also participate in an Employee Stock Purchase Plan to build long‑term financial security.

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The Company
HQ: Chicago, IL
13,000 Employees
Year Founded: 1968

What We Do

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record data; our data fusion methodology that helps us link, match and tap into the awesome combined power of that data; and our knowledgeable and passionate team, who stewards the information with expertise, and in accordance with local legislation around the world. Because of our work, organizations can better understand consumers in order to make more informed decisions, and earn their trust through great, personalized experiences, and the proactive extension of the right opportunities, tools and offers. In turn, consumers can be confident that their data identities will result in the opportunities they deserve. We make trust possible, so businesses and consumers can transact with confidence and achieve great things. We call this Information for Good®—it’s our purpose, and what drives us every day.

Why Work With Us

Our culture is welcoming, energetic and innovative. There’s an overall synergy that flows throughout TransUnion, creating a sense of unity in knowing that we’re all working to achieve the same overall goal. We’re dedicated to providing opportunities for our people to get involved and stay connected with their colleagues across the globe.

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Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
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