Senior Systems Engineer

Summary

Join CoreWeave's SysEng HAVOCK team as a Senior Linux OS Automation Engineer. You will play a key role in designing, developing, and optimizing bare-metal systems, from POST to Kubernetes cluster integration. Responsibilities include maintaining custom Linux kernels, OS images, and the virtualization stack. You will collaborate with cross-functional teams and leverage automation tools to ensure high-performance and reliable software solutions. This position requires 6+ years of experience maintaining large Linux system fleets and proficiency in Golang, Bash, and Python. CoreWeave offers a competitive salary, comprehensive benefits, and a flexible hybrid work environment.

Requirements

• Must have 6+ years of professional experience maintaining large fleets of physical Linux systems
• Proficiency with Golang, Bash, and Python
• Experience with API development using protobufs (ideally using Golang)
• Experience developing custom modules for cloud-init
• Experience with Github Actions or Gitlab Actions for CI/CD
• Experience building the Linux kernel/complex C compilation toolchains
• Experience packaging software into docker containers
• Experience packaging software into Debian packages (.deb)
• Experience deploying containerized software using Kubernetes
• Experience using semantic releases to support LTS alongside non-LTS versioned artifacts
• Experience developing frameworks for complex software tests
• Demonstrated experience working collaboratively on shared codebases
• Excellent documentation skills and attention to detail
• Strong analytical and problem-solving abilities
• Experience serving in an on-call rotation supporting production services

Responsibilities

• Design, develop, and maintain automated tooling to reproducibly build, test, and release artifacts that support a variety of hardware platforms in complex environments
• Maintain custom Linux kernels
• Maintain OS images
• Maintain cloud-init modules
• Define the artifact release-cycle roadmaps in coordination with the rest of the organization’s business needs
• Leverage Kubernetes to automate the testing of OS images and cloud-init configurations
• Document the tested and supported OS images and cloud-init configurations
• Effectively communicate artifact releases to the rest of the organization
• Automate packaging of critical components (drivers, microcode, components with out-of-tree patches, etc)
• Serve as a primary point-of-contact for boot-time issue escalation and troubleshooting
• Collaborate with cross-functional teams to define Linux and OS requirements, specifications, and system architecture
• Contribute improvements to code quality

Preferred Qualifications

• Experience supporting both amd64 and arm64 architectures
• Experience with Private Key Infrastructure
• Experience with Different boot formats/mechanisms/tools (UEFI, ipxe, iso, grub, uboot, etc)
• Experience with Ansible/AWX
• Experience with Aptly
• Experience with Packer

Benefits

• Medical, dental, and vision insurance - 100% paid for by CoreWeave
• Company-paid Life Insurance
• Voluntary supplemental life insurance
• Short and long-term disability insurance
• Flexible Spending Account
• Health Savings Account
• Tuition Reimbursement
• Mental Wellness Benefits through Spring Health
• Family-Forming support provided by Carrot
• Paid Parental Leave
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment
• A work culture focused on innovative disruption
• Hybrid work environment
• Remote work considered for candidates outside 30 miles of office, based on skills and experience