Job Description Cboe's Cybersecurity team is seeking an Application Security Engineer to develop their expertise in 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 and operate security 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 Assist in 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 We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.

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https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements 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 related field Hands-on software development experience, including building, testing, and deploying production services and comfort reading and modifying existing 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 Proficiency in 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