Senior Vulnerability Analyst

Cboe HQ is located in the historic Old Post Office district, it’s a landmark that blends classic architecture with modern amenities. The building features expansive spaces with high ceilings and large windows, offering an abundance of natural light and panoramic views of the city skyline and the Chicago River With its prime location in the heart of downtown, the OPO Building provides easy access to major transportation hubs, including Union Station and multiple CTA lines, making it convenient for commuters. The building is home to a variety of amenities, including restaurants, a fitness center, and collaborative workspaces, creating a vibrant and dynamic work environment in one of Chicago’s most iconic areas The Global Vulnerability Management team is hiring a Sr Vulnerability Analyst. Join a highly talented, dynamic and energetic team that’s passionate about attack surface reduction and contributing measurably to Cboe’s mission of Building Trusted Markets Reducing risk to Cboe’s global IT infrastructure by executing and continuously improving the Vulnerability Management Program using a risk‑based vulnerability management (RBVM) approach Analyzing vulnerability scan results, assessing risk within the context of the enterprise environment, and coordinating remediation with global infrastructure and application teams Serving as a senior technical escalation point for vulnerability‑related security tickets, providing authoritative guidance on prioritization, remediation, and risk acceptance Designing, operating, and maintaining the vulnerability scanning and assessment infrastructure, ensuring comprehensive coverage, reliability, and alignment with security architecture standards Driving automation and integration efforts to improve the efficiency, scalability, and accuracy of vulnerability detection, analysis, remediation tracking, and reporting Normalizing and integrating data from multiple security and infrastructure technologies to enable streamlined analysis, reporting, and response Partnering cross‑functionally with infrastructure, application, and platform teams to ensure effective vulnerability remediation, policy compliance, and continuous improvement of security controls Evaluating emerging vulnerabilities, threats, and security technologies, and assessing their relevance and impact to the organization’s security posture Continuously assessing the effectiveness of vulnerability management processes and controls, recommending and implementing improvements based on the evolving threat landscape and organizational needs Leading vulnerability management discussions with technical stakeholders and presenting risk, trends, and escalation items to management and executive audiences Acting as a senior technical leader within the security team by mentoring and coaching junior staff, documenting standards and procedures, and sharing deep technical and organizational knowledge Availability to participate in a 24/7 on‑call rotation and periodic flexibility in working hours to accommodate collaboration with a global team Strong, practically-used scripting and automation skills, using Python to automate security operations, integrate tools, and perform data analysis Senior‑level experience in information security, with a minimum of 5 years in security, or 3 years in security plus 2–3 years in core IT roles such as system or network administration, and a strong emphasis on engineering and operational security Hands‑on expert level experience with vulnerability management and cloud/SaaS security tooling, including platforms such as Qualys, Tenable, Rapid 7, Wiz, Reco, Obsidian, App Omni, and Aqua, with the ability to install, configure, and operate platforms of this type in an enterprise environment Experience using Atlassian Jira and Confluence, including workflow design and automation, to track vulnerabilities, remediation efforts, and security initiatives Solid systems and identity administration background, including Linux/Unix and Windows environments, Active Directory, and Entra ID, as well as experience with managed network devices Experience creating reporting visualizations using tools such as Power BI, Sigma, Snowflake Demonstrated ability and willingness to mentor junior team members, sharing technical expertise, operational knowledge, and best practices Deep understanding of security vulnerabilities, threats, and attack techniques, with at least 2 years of experience in vulnerability monitoring, threat detection, event monitoring, or incident response Familiarity with the Microsoft Security stack, including Defender for Endpoint, Defender for Identity, Defender for Cloud Apps, Purview DLP, and Intune Strong English communication skills, with the ability to clearly and professionally convey technical risk, remediation guidance, and impact analysis to both technical teams and key stakeholders Advanced AI usage skills to supercharge productivity including chatbots such as Copilot or ChatGPT, but also demonstrated success with code and workflow creation tooling like Claude Code, Cursor, N8N Bachelor’s degree in Cybersecurity, Computer Science, Engineering or other technical field Centralized System Administration experience in Windows, Linux, Network or Firewall management Proven ability to script and automate tasks Information security certifications such as GPEN, Security+, CISSP, OSCP, CEH, LPTExperience writing and leveraging AI tooling to solve problems creatively and efficiently