Expert Penetration Tester

At IBM Infrastructure & Technology, we design and operate the systems that keep the world running. From high-resiliency mainframes and hybrid cloud platforms to networking, automation, and site reliability. Our teams ensure the performance, security, and scalability that clients and industries depend on every day. Working in Infrastructure & Technology means tackling complex challenges with curiosity and collaboration. You’ll work with diverse technologies and colleagues worldwide to deliver resilient, future-ready solutions that power innovation. With continuous learning, career growth, and a supportive culture, IBM provides the opportunities to build expertise and shape the infrastructure that drives progress. A Penetration Tester with deep technical expertise in the processes, procedures, tools and methodology for assessing IT Security risk. The role requires an individual who can independently visualize the network topology from information provided, prepare tests, conduct hacker simulations and demonstrate the likelihood of data compromise via 'proof of concept exploitation' of a given vulnerability. Further to the tests, to be able to clearly describe the problem, the concerns and provide recommendations to fix. Candidates will need to pass a Penetration Testing skills evaluation test. Penetration Testing Experience with operating systems, web applications and network infrastructure. Experience with using Penetration Testing Tools. e.g. NMap, Nessus, Metasploit, BurpSuite, Nikto, Tcpdump. Required certification: OSCP or higher Offensive Security Qualification AI Skills: Ability to work with LLMs, Agentic, Tools, MCP / Administrator level knowledge of Server Operating Systems specifically Unix and Windows. Intricate technical knowledge of TCP/IP Networking/Routing, Intranet / Internet Architectures and Segregation Technologies/VLANs, Firewalls, Intrusion Detection, Intrusion Prevention, SQL Databases 'Ability to test web technologies e.g. web applications, containers, container managers. Programming ability to create, read and modify exploit code to achieve system penetration. C, C++, Java, C#, scripting knowledge is an asset. Ability to document and present the penetration testing results including recommendations to fix. Penetration Testing Experience with operating systems, web applications and network infrastructure. Experience with using Penetration Testing Tools. e.g. NMap, Nessus, Metasploit, BurpSuite, Nikto, Tcpdump. Required certification: OSCP or higher Offensive Security Qualification AI Skills: Ability to work with LLMs, Agentic, Tools, MCP Administrator level knowledge of Server Operating Systems specifically Unix and Windows. Intricate technical knowledge of TCP/IP Networking/Routing, Intranet / Internet Architectures and Segregation Technologies/VLANs, Firewalls, Intrusion Detection, Intrusion Prevention, SQL Databases Ability to test web technologies e.g. web applications, containers, container managers Programming ability to create, read and modify exploit code to achieve system penetration. C, C++, Java, C#, scripting knowledge is an asset. Ability to document and present the penetration testing results including recommendations to fix. United States Consulting Hybrid Professional Multiple Cities (0147) International Business Machines Corporation