Freelance Linux Kernel Developer Jobs in Kansas (NOW HIRING)

Role Overview

We are seeking a Senior Linux Platform Engineer to join our Systems Platform Engineer team. In this role, you willbe responsible formanaging and improving our highly automated Linux-based systems and platforms while supporting our broader technology infrastructure with a focus on automation.You'llbe 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, andmaintainingon-premises Kubernetes clusters and containerized workloads.

• Developing andmaintainingsystem-level software, middleware, and APIs to support internal platforms and services.

• Automating system workflows and infrastructure tasks using Python, Bash, and configuration management tools likeSaltStack.

• Building andmaintainingRPM 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.

• Documentingarchitectures, 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., withkubeadm, 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 withSaltStack(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'llreally stand out with:

• Certifications such as RHCE or LFCE.

• Experience with container runtimes (containerd, Docker) and registry management.

• Knowledge ofGitOpsworkflows or tools likeArgoCDor Flux.

• Background in security best practices and compliance (e.g., CIS benchmarks, STIGs).

• Prior experience in highly regulated or low-latency environments.

Benefits and Perksof working for Cboe Global Markets

We value the total wellbeing of our people - including health, financial,personaland social wellness. We believe standard benefits like health insurance and fair pay area givenatany organization. Still, you shouldknowwe offer:

• Fair and competitive salary and incentive compensation packages with an upside for overachievement

• Generous paid time off, including vacation, personal days, sickdaysand 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% matchimmediatelyupon hire

• Discounted Employee Stock Purchase Plan

• Tax Savings Accounts for health,dependentand transportation

• Employee referral bonus program

• Volunteer opportunities to help you give back to your communities

Some of our associates' favorite benefits andperksinclude:

• Complimentary lunch,snacksand coffee in any Cboe office

• Paid Tuitionassistanceand 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 CboeGlobal Markets

We'rereimagining the future of the workplace by focusing on what matters most, our people. Our journey is an inclusive one.We'reinvesting 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'rean 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 onour websiteandLinkedIn.

Equal Employment Opportunity

We'reproud 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, orveteran status. We are committed to fostering a workplace where all individuals are valued and respected.

Salary Ranges (applicable for US locations only)

At Cboe, we are committed to providing a competitive, transparent, and marketinformed total rewards program. The anticipated base salary range for this role is $131,750-$170,500, with actual compensation determined by jobrelated 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.

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