Site Reliability Engineer Contract Jobs in Kansas

Senior Linux Platform Engineer – Join our Systems Platform Engineering team at Cboe Global Markets.

In this role you will manage and improve our highly automated Linux‑based systems, focusing on automation and platform reliability.

• Manage and improve Linux‑based infrastructure emphasizing performance, reliability, and scalability.
• Design, deploy, and maintain on‑premises Kubernetes clusters and containerized workloads.
• Develop and maintain system‑level software, middleware, and APIs to support internal platforms and services.
• Automate system workflows and infrastructure tasks using Python, Bash, and configuration‑management tools such as SaltStack.
• Build and maintain RPM packages and internal software repositories.
• Collaborate with Application Support (SRE), Development, and Security teams to ensure secure, automated CI/CD and platform integration.
• Diagnose and resolve complex system‑level issues involving the OS, network, or container runtime.
• Implement hardened security configurations, including system hardening, secure communications, and identity/access integration.
• Participate in an on‑call rotation to support critical infrastructure services.
• Document architectures, tools, and operational processes for long‑term maintainability.

• 5+ years of experience in Linux systems administration and infrastructure/platform engineering.
• Production experience managing Kubernetes in bare‑metal or on‑premises environments (e.g., kubeadm, RKE, or OpenShift).
• Hands‑on experience with cloud platforms (AWS, Azure, or GCP) in production settings.
• Strong scripting and automation skills in Python and Bash.
• In‑depth knowledge of Linux internals, kernel tuning, and performance diagnostics.
• 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.

• Certifications such as RHCE or LFCE.
• Experience with container runtimes (containerd, Docker) and registry management.
• Knowledge of GitOps workflows or tools like ArgoCD or Flux.
• Background in security best practices and compliance (e.g., CIS benchmarks, STIGs).
• Prior experience in highly regulated or low‑latency environments.

• Competitive salary and incentive compensation packages.
• Generous paid time off, including vacation, personal days, sick days, and annual community service days.
• Health, dental, and vision benefits, including telemedicine and mental health services.
• 2:1 401(k) match, up to 8% match immediately upon hire.
• Discounted Employee Stock Purchase Plan.
• Tax‑savings accounts for health, dependent, and transportation.
• Employee referral bonus program.
• Volunteer opportunities.
• Complimentary lunch, snacks, and coffee in any Cboe office.
• Paid tuition assistance and education opportunities.
• Generous charitable giving company match.
• Paid parental leave and fertility benefits.
• On‑site gyms and discounts to other fitness centers.

Anticipated base salary range (US locations only): $131,750 – $170,500, with actual compensation determined by job‑related factors such as skills, relevant experience, education, internal alignment, and location. The role may also be eligible for annual incentive compensation and, where applicable, participation in Cboe's long‑term equity programs.

We are proud to be an equal opportunity employer and do not discriminate against any employee or applicant for employment based on any legally protected characteristic, including race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, or veteran status. We are committed to fostering a workplace where all individuals are valued and respected.