[Remote] Senior Security Consultant (Mainframe Penetration Tester)

Note: The job is a remote job and is open to candidates in USA. NetSPI is a leader in Penetration Testing as a Service, combining security professionals with AI and automation to enhance security assessments. The Senior Security Consultant will conduct thorough penetration tests, identify vulnerabilities, and provide expert recommendations to strengthen clients' security posture, particularly focusing on Mainframe testing.ResponsibilitiesPerform app, platform, CICS, Db2 or other z/OS-based penetration testsCreate and deliver penetration test reports to clientsCollaborate with clients to create remediation strategies that will help improve their security postureResearch and develop innovative techniques, tools, and methodologies for penetration testing servicesParticipate in the ongoing development/enhancement of NetSPI services and processes, in addition to thought leadership (via blogs, presentations, white papers, webinars, podcast, vlogs and tweets)Provide pre-sales support by assisting with scoping prospective engagementsAct as a resource for internal team members as it relates to in-depth technical questions or best practicesResponsible for QA activities in assigned service linesOther duties as assignedSkillsBachelor's degree or higher, with a focus on IT, Computer Science, Engineering or Math or equivalent experience3-5 years of experience in penetration testing, including network, web or mobile application testingExperience with offensive toolkits used for network and application penetration testingStrong communication skills, both verbal and writtenKnowledge of z/OS fundamentals including, but not limited to: JCL, JES2, USS, Networking and at least one ESM (RACF, ACF2, Top Secret)Programming experience in one or more of the following languages: Assembler, C, C++, REXXExperience security or managing z/OS-based systemsExperience with pentesting (PTAS) or other offensive security certificationsCompany OverviewNetSPI is a cybersecurity company that offers enterprise security testing and attack surface management services. It was founded in 2001, and is headquartered in Minneapolis, Minnesota, USA, with a workforce of 501-1000 employees. Its website is https://www.netspi.com.Company H1B SponsorshipNetSPI has a track record of offering H1B sponsorships, with 1 in 2025, 3 in 2024, 1 in 2023, 2 in 2022, 5 in 2021, 5 in 2020. Please note that this does not guarantee sponsorship for this specific role.