Senior Linux Platform Engineer - flexible hybrid (Chicago, IL or Overland Park, KS)
About The Position
At Cboe, 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 inclusive 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. Our Associate Resource Groups champion diversity, equity and inclusion, giving associates a safe space to network, share ideas and create opportunities. Sound like the place for you? Join us! We are seeking a Senior Linux 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.
Requirements
- 5+ years of experience in Linux systems administration and infrastructure/platform engineering.
- Kubernetes platform engineering experience including designing resilient cluster architectures, leading cluster builds and establishing best practices for reliability, security and performance; experience with bare-metal and on-premises environments strongly preferred (e.g., with kubeadm , RKE, or OpenShift).
- 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.
Nice To Haves
- 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.
Responsibilities
- 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.
Benefits
- Fair and competitive salary and incentive compensation packages with an upside for overachievement
- Generous paid time off, including vacation, personal days, sick days and annual community service days
- Flexible, hybrid work environment
- Health, dental and vision benefits, including access to 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 to help you give back to your communities
- 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
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
