Sr Platform Engineer

Building trusted markets — powered by our people       At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide   the financial   infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world.        We’re   building meaningful ways to support professional and personal development while strengthening the trust   we’ve   earned as a global market leader. Our teams are empowered to share ideas, actively pursue   them   and 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   provide   employees a safe space to network, share ideas and create opportunities.       PLEASE NOTE: To support strong partnership and team connection, this role follows a four day in office work model.   While the internal title for this position is Senior Linux Engineer, this role has been posted externally under a different title to better align with market norms and to attract talent with comparable experience and skill sets.

Overview   We are seeking a Senior Platform Engineer to join our Systems Platform Engineer team. In this role, you will   be responsible for   managing and improving our highly automated Linux-based systems and platforms while supporting our broader technology infrastructure with a focus on automation.   You'll   be working collaboratively with our technology and operations teams to ensure the highest levels of system performance, security, and availability.      Your re sponsibilities will be:   Managing and improving our Linux-based infrastructure with a focus on performance, reliability, and scalability.    Designing, deploying, and   maintaining   on-premises Kubernetes clusters and containerized workloads.    Developing and   maintaining   system-level software, middleware, and APIs to support internal platforms and services.    Automating system workflows and infrastructure tasks using Python, Bash, and configuration management tools like   SaltStack .    Building and   maintaining   RPM packages and internal software repositories.  Collaborating with Application Support (SRE), Development, and Security teams to ensure secure, automated CI/CD and platform integration.    Diagnosing and resolving complex system-level issues involving the OS, network, or container runtime.    Implementing hardened security configurations, including system hardening, secure communications, and identity/access integration.  Participating in an on-call rotation to support critical infrastructure services.  Documenting   architectures , tools, and operational processes to support long-term maintainability.      The ideal candidate has   5+ years of experience in Linux systems administration and infrastructure/platform engineering.    Production experience managing Kubernetes, preferably in bare-metal or on-premises environments (e.g., with   kubeadm , RKE, or OpenShift).    Hands-on experience with cloud platforms (AWS, Azure or GCP) in production environments. Strong scripting and automation skills in Python and Bash.    In-depth knowledge of Linux internals, kernel tuning, and performance diagnostics.    Hands-on experience with   SaltStack   (preferred), Puppet, or Ansible for configuration management.    Familiarity with observability tools such as Prometheus, Grafana, or Loki.    Solid understanding of core infrastructure protocols and services (TCP/IP, DNS, NTP/PTP, DHCP, etc.).    Experience managing CI/CD pipelines with tools such as Jenkins, GitLab, or similar.    Strong troubleshooting skills and a proactive approach to problem-solving.