Job Description

DescriptionAbout the Role The Penetration Tester role is a key part of NinjaOne's core security team, with visibility across the entire organization, from individual developers to executive leadership. You will directly strengthen the security of the NinjaOne platform by identifying and helping resolve technical, security, and architectural vulnerabilities across our applications and environments. The ideal candidate takes a multi-layered approach to uncovering weaknesses in software, web applications, and client-side components to drive meaningful security improvements. This role is also a key contributor to NinjaOne's public bug bounty program, validating externally reported vulnerabilities and working directly with security researchers around the world.Location: We are flexible on remote working from home, if you are located in the USA and reside in one of the following states: CA, CO, CT, FL, GA, *IL, KS, MA, MD, ME, NJ, NC, NY, OH, OR, TN, TX, VA, and WA. We have physical offices in Austin, TX and Tampa, FL, if you prefer a hybrid option.*Onsite interviews may be required for this role.What You'll Be Doing Perform controlled penetration testing of NinjaOne applications, cloud environments, and infrastructure, demonstrating exploitability and documenting risks and remediation stepsPerform security testing of new and modified API endpoints and features as part of each release cycle, prioritizing coverage against release timelinesCollaborate with Engineering to validate vulnerabilities, communicate impact, and support secure design and remediation effortsDevelop custom tools or scripts to support penetration testing, automation, and exploit developmentPerform first-pass triage and validation of bug bounty submissions: reproduce reported issues, assess severity and impact (CVSS), identify duplicates, and route confirmed findings to the appropriate teamsCommunicate directly with external security researchers in clear, professional written English throughout the report lifecycleStay current on emerging threats, TTPs, and cybersecurity trends, applying them to evaluate NinjaOne's exposure and guide security initiativesCreate clear, comprehensive reports and presentations for both technical and executive stakeholdersPromote security awareness across the organization, contributing to policies, best practices, and ongoing security educationOther duties as neededAbout You Bachelor's degree in Information Technology, Computer Science, or a related field8+ years of hands-on penetration testing experience, within a broader 5+ years in cybersecurity-related rolesStrong understanding of security protocols, cryptography, authentication/authorization, and modern attack techniquesSecurity certifications such as OSCP (highly desired) and/or Security+, CISSP, or CISM are a plusProficiency with penetration testing tools such as Burp Suite, Caido, and related frameworksExperience validating and scoring vulnerabilities (CVSS) and communicating findings to both technical and non-technical audiences; bug bounty triage or program experience is a strong plusAbility to develop custom testing tools or scripts (Java, Kotlin, C++, Python, or Go)Knowledge of security frameworks and methodologies (OWASP, NIST, BSIMM), threat modeling (STRIDE, DREAD), and system hardening standards (CIS, CSA)Solid understanding of Linux and Windows operating systems, enterprise architecture, and TCP/IP and UDP networking fundamentalsExperience testing or exploiting cloud-native applications; understanding cloud security architecture is a plusStrong analytical and problem-solving skills with excellent written and verbal communication; this role communicates directly with external security researchers, engineers, and leadershipAbout Us NinjaOne unifies IT to simplify work for nearly 40,000 customers in 140+ countries. The NinjaOne Unified IT Operations Platform delivers endpoint management, autonomous patching, backup, and remote access in a single console to improve efficiency, increase resilience, and reduce spend. By automating IT and managing all endpoints, organizations give employees a great technology experience at work. NinjaOne is obsessed with customer success and has retained a 98% customer satisfaction score for more than 5 years.What You'll Love A collaborative, kind, and curious communityFull-time work that is hybrid remote, honoring your flexibility needsA comprehensive benefits package, including medical, dental, and vision insuranceA 401(k) plan to help you prepare for your financial futureUnlimited PTO that prioritizes your work-life balanceOpportunity for growth and advancementAdditional Information This position is NOT eligible for Visa sponsorship.*Due to operational policies, NinjaOne is unable to hire for this role within the city limits of Chicago. We will consider all qualified candidates who reside outside of the city proper or are willing to self-relocate.Starting pay for the successful applicant depends on a variety of job-related factors, including but not limited to location, market demands, experience, job-related knowledge, and skills. The benefits available for this position include medical, dental, vision, 401(k) plan, life insurance coverage, and PTO. For roles based in California, Colorado, Maryland, New Jersey, or Washington, the base salary hiring range for this position is $130,000 to $165,000 per year.For roles based in New York, the base salary hiring range for this position is $130,000 to $165,000 per year.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, veteran status, or any other status protected by applicable law. We are committed to providing an inclusive and diverse work environment.

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