Senior Linux Engineer

NO SPONSORSHIP - NO OPTSenior Linux Platform Engineer -Salary 150-160K Location: Chicago, IL ON SITE 4 DAYS A WEEKLooking for candidates with k8s experience. The will include traditional systems management - configuration management, system debugging, etc.5-6 YEARS EXPERIENCEPrefer financial or real time environment experience, Kubernetes (K8) python bash or go. You will have linux internals, kernel tuning and performance diagnostics. salt stack puppet or ansible preferred 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. The ideal candidate will have: 5+ years of experience in Linux systems administration and infrastructure/platform engineering. Production experience managing Kubernetes, preferably in bare-metal or on-premises 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. Health, dental and vision benefits, including access to telemedicine and mental health services2:1 401(k) match, up to 8% match immediately upon hireDiscounted Employee Stock Purchase PlanTax Savings Accounts for health, dependent and transportationEmployee referral bonus programVolunteer opportunities to help you give back to your communitiesComplimentary lunch, snacks and coffeePaid Tuition assistance and education opportunitiesGenerous charitable giving company matchPaid parental leave and fertility benefitsOn-site gyms and discounts to other fitness centers