Jobs and Careers
BI

Senior Vulnerability Researcher

Bitsight
Remote Portugal, PortugalRemotefull_timeVerifiedPosted 30 Apr 2025

About the role

<p><span>Bitsight is a cyber risk management leader transforming how companies manage exposure, performance, and risk for themselves and their third parties. Companies rely on Bitsight to prioritize their cybersecurity investments, build greater trust within their ecosystem, and reduce their chances of financial loss.<br/>Built on over a decade of technological innovation, its integrated solutions deliver value across enterprise security performance, digital supply chains, cyber insurance, and data analysis.</span></p><ul><li><span>We invented the cyber ratings industry in 2011</span></li><li><span>Over 3000 customers trust Bitsight</span></li><li><span>Over 750 teammates are dispersed throughout Boston, Raleigh, New York, Lisbon, Singapore, and remote</span></li></ul><p></p><p><span>The Vulnerability Research team within Bitsight’s Security Research department develops and deploys techniques to remotely detect the presence of recently disclosed <span>vulnerabilities. </span> These techniques are integrated into the company’s Internet scanning infrastructure which enables Bitsight to measure the rate at which organizations patch and remediate <span>vulnerabilities. </span> This function is a critical input into Bitsight’s capability to assess the effectiveness of organizational security programs as well as the ability to identify third party vulnerability exposures in organizations’ digital supply chains.  The team also enables a unique form of “vulnerability epidemiology” research in tracking the scale, impact, and organizational response for high-profile <span>vulnerabilities. </span> This role will work alongside an international team of vulnerability researchers in the research and development of new vulnerability detection and inference tools and techniques as well as the integration and operationalization of those techniques within Bitsight’s telemetry collection infrastructure.</span></p><p></p><p><b><b>Objectives &amp; Responsibilities</b></b></p><ul><li><p><span>Maintain situational awareness of newly published, high-profile vulnerabilities and contribute to the development of vulnerability intelligence tooling</span></p></li><li><p><span>Triage open source technical reporting to assess viability of remote, network-based detection methods for new vulnerabilities in alignment with Bitsight’s vulnerability prioritization framework</span></p></li><li><p><span>Reverse engineer software and software patches to identify new detection methods</span></p></li><li><p><span>Develop new python modules within Bitsight’s Internet scanning framework to implement newly researched vulnerability detection and product fingerprinting capabilities</span></p></li><li><p><span>Conduct peer review of teammate detection capabilities to provide feedback on potential improvements and to evaluate the intrusiveness of the capability in alignment with Bitsight’s vulnerability scanning risk management framework</span></p></li><li><p><span>Analyze Internet scan results to evaluate technique efficacy and ensure data quality of new detection capabilities</span></p></li></ul><ul><li><p><span>Contribute to tooling and infrastructure  that enables the team to increase the scale and efficiency capability delivery</span></p></li><li><p><span>Collaborate with the Product Management team in the design of new <span>vulnerability-related</span> Bitsight product features</span></p></li></ul><p></p><p><b><b>Qualifications:</b></b></p><p></p><ul><li><p><span>Broad knowledge of information security principles and network protocols</span></p></li><li><p><span>Experience in network-based vulnerability detection capability development</span></p></li><li><p><span>Experience in source code analysis</span></p></li><li><p><span>Familiarity software reverse engineering and patch diffing</span></p></li><li><p><span>Strong communication and analytical skills, including the ability to identify and solve ambiguous problems</span></p></li><li><p><span>Ownership mindset</span></p></li><li><p><span>Proficient in python programming</span></p></li></ul><p></p><p><b><span>Diversity. </span></b><span>Bitsight is proud to be an equal opportunity employer. This means we do not tolerate discrimination of any kind and are committed to providing equal employment opportunities regardless of your gender identity, race, nationality, religion, sexual orientation, status as a protected veteran, or status as an individual with a disability.</span></p><p><b><span>Culture.</span></b><span> We put our people first. Bitsight offers best in class benefits. We devote the same energy to nurturing our company's inclusive culture as we apply to serving our customers' needs. Working at Bitsight will give you the opportunity to fulfill your professional goals and expand your skills.</span></p><p><b><span>Open-minded.</span></b><span> If you got to this point, we hope you’re feeling excited about the job description you just read.  Even if you don’t feel that you meet every single requ

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Bitsight

View company profile →