Job
Description
We are looking for a Senior Penetration Tester to take ownership of security testing for enterprise products deployed on mainframe environments. In this role, you will assess application-layer security risks, identify vulnerabilities in product implementations, and lead secure architecture reviews. The ideal candidate brings deep offensive security skills along with familiarity in testing applications running on or integrated with IBM mainframe systems. Here is how, through this exciting role, YOU will contribute to BMC's and your own success: Primary Roles and Responsibilities: Lead security assessments of applications and solutions deployed on IBM z/OS-based environments. Conduct penetration testing and red teaming exercises targeting mainframe environments and the surrounding application ecosystem. Perform code-assisted and black-box penetration testing against enterprise applications/systems interacting with RACF, DB2, CICS, MQ, and related subsystems. Identify risks in authentication, authorization, data handling, and communications within mainframe-integrated products. Create threat models and guide product teams in mitigating high-impact vulnerabilities early in the SDLC. Drive remediation efforts through hands-on collaboration and secure design guidance. Author technical reports and deliver executive summaries tailored to various audiences. Stay current on vulnerabilities, exploits, and testing techniques relevant to legacy enterprise technologies and mainframe ecosystems.. Assess common integration patterns (SOA, REST/JSON, MQ) for security risks. To ensure you re set up for success, you will bring the following skillset & experience: 8+ years of experience in penetration testing, with a specialization in systems/applications integrating with mainframe environments. Deep knowledge of mainframe communication protocols and security mechanisms. Demonstrated experience conducting red team-style assessments or advanced threat emulation on mainframe systems. Proficient in tools such as: Mainframe utilities: REXX, ISPF panels, NetView Security tools: Nmap, Burp Suite, Wireshark, custom scripts Strong scripting and automation skills (Python, REXX, Bash, or similar). Strong communication and leadership skills, with a proven ability to lead technical teams or projects. Experience producing board-level reports and presenting findings to senior stakeholders. Exposure to hybrid environments (mainframe to cloud integrations, modernization efforts). Familiarity with modern enterprise integration methods (REST, SOAP, MQ, FTP) that interface with mainframe services Whilst these are nice to have, our team can help you develop in the following skills: Industry certifications such as OSCP, OSCE, CRTP, GIAC GPEN, GXPN, or CISSP. Background in regulated industries such as banking, insurance, or government, where mainframes are core infrastructure. Knowledge of COBOL, PL/I, or other mainframe-centric programming languages. Experience with compliance standards like PCI-DSS, NIST, or SOX as they apply to mainframes.
