Offensive Security Engineer

TransUnion

Network Penetration Tester conducting tests to identify vulnerabilities and assess security posture. Collaborating with IT teams and ensuring compliance in both virtual and in-person settings.

Posted 6/3/2026full-timeChennai • 🇮🇳 IndiaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

Cyber SecurityLinux

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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.

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off
Flexible work arrangements
Professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

penetration testingnetworking protocolsWindows environmentsLinux environmentsActive Directoryvulnerability managementtest plansreconnaissanceexploitationpost-exploitation

Soft Skills

organizational skillscommunication skillscollaborationstakeholder coordination

Certifications

OSCPCEHGPEN