Engineer, Application Security

Description

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AboutCboeGlobal Markets

AtCboeGlobal Markets, we inspire our people to solve complex challenges together because what we do matters. We providethe financialinfrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products,Cboedeliverscutting-edgetrading, clearing and investment solutions to market participants around the world.

We'rebuilding meaningful ways to support professional and personal development while strengthening the trustwe'veearned as a global market leader. Our teams are empowered to share ideas, actively pursuethemand bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to "go for it" and equip our managers with the training to coach their teams to the next level. We strive to provideemployeesa safe space to network, shareideasand create opportunities.

Soundliketheplace for you? Join us!

Location Overview

CboeHQ is located in the historic Old Post Officedistrict,it's a landmark that blends classic architecture with modern amenities. The building features expansive spaces withhigh ceilingsand large windows, offering an abundance of natural light and panoramic views of thecityskyline 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.

Role Overview

Cboe'sCybersecurity team is seeking an Application Security Engineer to develop theirexpertisein practical, code-adjacent security within a collaborative and fast-paced environment. This role works closely with application and platform engineering teams to help design, build, and deploy secure containerized services on Kubernetes, applying security fundamentals within defined processes and with guidance from senior engineers. The ideal candidate brings hands-on software development experience and a genuine interest in growing their application security skills on real-world challenges. This role reports to the Manager, Cybersecurity.

Your responsibilities will be:

Secure Development Partnership

• Partner with engineering teams to improve security of containerized services running on Kubernetes

• Participate in secure design reviews and threat modeling for new features, services, and APIs

• Perform code-level security reviews and provide clear, actionable remediation guidance to developers

Security Tooling & CI/CD Integration

• Help integrate andoperatesecurity tooling in CI/CD pipelines, including SAST, dependency and container image scanning (SCA), and secret detection

• Validate and triage security findings — distinguishing real risk from false positives and helping prioritize remediation based on impact

Container & Kubernetes Security

• Contribute to container image security practices including secure base image usage, dependency hygiene, and attack surface reduction

• Assistin defining and applying secure coding and deployment standards for Kubernetes workloads, APIs, and service-to-service communication

Incident Support & Growth

• Support incident response and post-incident reviews by helping analyze root causes and contributing to preventative fixes

• Continuously grow application and Kubernetes security skills through hands-on work and mentorship from senior team members

The ideal candidate has:

• 2+years of professional experience in software engineering, application security, or a closely related role

• Bachelor's degree in Computer Science, Information Security, or a relatedfield

• Hands-on software development experience, including building, testing, and deploying production services and comfort reading andmodifyingexisting codebases

• Experience building and running Docker/OCI containers, with an understanding of container images, layers, and runtime behavior

• Familiarity with Kubernetes, including deploying or supporting applications and working with core primitives (pods, deployments, services, ingress) and basic security concepts (RBAC, namespaces, service accounts)

• Working knowledge of common web and API vulnerabilities (authentication/authorization issues, injection, SSRF, etc.) and secure coding practices

• Proficiencyin at least one backend programming language (e.g., Go, Java, C#, Python, Node.js) and experience with modern CI/CD workflows and Git-based development

• Exposure to application security tooling such as SAST, dependency or container image scanning, or secret scanning tools

• Bachelor's degree preferred

Benefits and Perks

Wevaluethetotalwellbeingofourpeople–includinghealth,financial,personalandsocialwellness.Webelievestandard benefits like health insurance and fair pay area givenat any organization. Still, you shouldknowwe offer:

• Fairandcompetitivesalaryandincentivecompensationpackageswithanupsideforoverachievement

• Generouspaidtimeoff,includingvacation,personaldays,sickdaysandannualcommunityservicedays

• Health,dentalandvisionbenefits,includingaccesstotelemedicineandmentalhealthservices

• 2:1401(k)match,upto8%matchimmediatelyuponhire

• DiscountedEmployeeStockPurchasePlan

• TaxSavingsAccountsforhealth,dependentandtransportation

• Employeereferralbonusprogram

• Volunteeropportunitiestohelpyougivebacktoyourcommunities

Someofourassociates’favoritebenefitsandperksinclude:

• PaidTuitionassistanceandeducationopportunities

• Generouscharitablegivingcompanymatch

• Paidparentalleaveandfertilitybenefits