Senior Linux Engineer

Job Description: 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. Role Overview 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. 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 of working for Cboe Global Markets We value the total wellbeing of our people – including health, financial, personal and social wellness. We believe standard benefits like health insurance and fair pay are a given at any organization. Still, you should know we offer: 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 Some of our associates’ favorite benefits and perks include: 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 More About Cboe Global Markets We’re reimagining the future of the workplace by focusing on what matters most, our people. Our journey is an inclusive one. We’re investing deeply in leadership programs and career development initiatives that ensure everyone has an equal chance to succeed. We work with purpose, solving problems with ingenuity, collaboration, and a lot of passion. We’re an engaged and excited team connecting markets across borders and embracing growth in all its forms to achieve incredible outcomes. Learn more about life at Cboe on our website and LinkedIn. Equal Employment Opportunity We're proud to be an equal opportunity employer 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. #LI-CP2 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. Salary Ranges (applicable for US locations 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. 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. Cboe is always looking for intelligent, innovative and hard-working individuals. Our success is based on our talented team of industry and technology professionals, which we believe is the strongest in the industry, and we pride ourselves on hiring the best and brightest. Cboe Global Markets is an Equal Opportunity Employer. For more information, please click the following links: Equal Employment Opportunity is The Law (in English) Equal Employment Opportunity is The Law (in Spanish) Equal Employment Opportunity is The Law (Supplement) E-Verify Participation Poster (English & Spanish) Right to Work Poster (English) Right to Work Poster (Spanish) If you have been contacted about a job opening at Cboe by someone that does not have a @cboe.com email, this is NOT a trusted source. Cboe only utilizes emails from @cboe.com or Linkedin messaging for recruitment purposes. Cboe does not use any other third-party messaging applications. We recommend that you refrain from responding to Cboe recruitment emails that are not from a cboe.com email address and to file a complaint with the Internet Crime Complaint Center IC3 at If you have further questions, please reach out to the Cboe HR team at View email address on click.appcast.io