Senior Linux Platform Engineer
1 week ago
Senior Linux Platform Engineer
Salary: Open + Bonus
Location: Chicago, IL
Hybrid: 3 days onsite, 2 days remote
*This role is not open to sponsorship candidates*
Qualifications
- 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).
- 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
- Experience of highly regulated environments
- Related certifications is a plus
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 architecture, tools, and operational processes to support long-term maintainability.
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