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[Remote] Senior Security Consultant (Mainframe Penetration Tester)

Remote-first Full-time Now hiring

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.

Responsibilities

  • Perform app, platform, CICS, Db2 or other z/OS-based penetration tests
  • Create and deliver penetration test reports to clients
  • Collaborate with clients to create remediation strategies that will help improve their security posture
  • Research and develop innovative techniques, tools, and methodologies for penetration testing services
  • Participate 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 engagements
  • Act as a resource for internal team members as it relates to in-depth technical questions or best practices
  • Responsible for QA activities in assigned service lines
  • Other duties as assigned

Skills

  • Bachelor's degree or higher, with a focus on IT, Computer Science, Engineering or Math or equivalent experience
  • 3-5 years of experience in penetration testing, including network, web or mobile application testing
  • Experience with offensive toolkits used for network and application penetration testing
  • Strong communication skills, both verbal and written
  • Knowledge 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++, REXX
  • Experience security or managing z/OS-based systems
  • Experience with pentesting (PTAS) or other offensive security certifications

Company Overview

  • NetSPI 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 Sponsorship

  • NetSPI 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.
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