Senior Linux Engineer

Company Overview At Cboe Global Markets, we provide the financial infrastructure that powers the global economy. Role Overview We are seeking a Senior Linux Platform Engineer to join our Systems Platform Engineer team. PLEASE NOTE: To support strong partnership and team connection, this role follows a four day in office work model. Your responsibilities 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. You'll really stand out with: 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. Benefits and Perks 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 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 Paid Time Off Salary Ranges (US only) At Cboe, we are committed to providing a competitive, transparent, and market‑informed total rewards program. The anticipated base salary range for this role is $114,750-$148,500 in Kansas, $126,225-$163,350 in Chicago, and $143,438-$185,625 in New York, with actual compensation determined by job‑related factors such as skills, relevant experience, education, internal alignment, and location. This role may also be eligible for annual incentive compensation and, where applicable, participation in Cboe's long‑term equity programs. Additional information about Cboe's total rewards program, including benefits and other compensation components, can be found here: Total Rewards at CBOE. Employment Eligibility and Equal Opportunity This position is not eligible for visa sponsorship. Candidates must be legally authorized to work in the United States without the need for employer sponsorship now or in the future. 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. Any communication from Cboe regarding this position will only come from a Cboe recruiter who has a @cboe.com email or via LinkedIn Recruiter. Cboe does not use any other third‑party communication tools for recruiting purposes. #J-18808-Ljbffr