On-Site Infra Engineer: Kubernetes, GPUs & AI

Nebula; El Segundo (CA); On-site; USD 100,000 - 250,000; Full time

Benefits offered by this job

Equity participation

Health, dental, vision

401(k) with matching

Nearby housing bonus

On-site work

Job summary

Nebula is seeking an Infrastructure Engineer to run and harden the company’s self-hosted Linux, Kubernetes, networking, storage, and security stack on hardware we own. You will help make the estate reproducible via version control, plan capacity, and manage GPU AI compute workloads on-site in El Segundo.

Experience with Linux, Kubernetes in production, backups, and security discipline is required. GPU infra, Ansible or Terraform, and self-hosted CI tooling are a plus.

Qualifications

• Degree in computer engineering or computer science, or equivalent experience.
• Hands-on Linux administration on owned machines: systemd, networking, storage and filesystems.
• Kubernetes in production: workloads, storage, ingress, upgrades.
• Fluent with routing, firewalls, DNS, VPNs, TLS and certificates.
• Backups proven by restores; security discipline expected.
• Ready to put a hand-built estate into code and diagnose outages.

Responsibilities

• Bare-metal Linux hosts provisioning, systemd, disks/RAID, encryption at rest, out-of-band management.
• Kubernetes cluster: scheduling, ingress and TLS, PVs, network policies, upgrades/rollbacks.
• Network, access and identity: routing, firewalling, VPN, DNS, certs, mTLS, SSO.
• Storage and backups: capacity planning, retention, offsite copies, restore drills.
• Monitoring and incident response: metrics, logs, alerts, on-call, postmortems.
• Security: hardening, patching, secrets, key rotation, least privilege.
• Infrastructure as code: version control, self-hosted SCM, registry and CI runners.
• Capacity/hardware planning: hosts, storage, network, GPU AI workloads.

Skills

Linux admin

Kubernetes prod

Networking

Storage mgmt

Security discipline

IaC tooling

GPU infra planning

Education

Bachelors in CS/EE or equivalent

Tools

Ansible

Terraform

Git

CI runners

Job description

Nebula is seeking an Infrastructure Engineer to run and harden the company’s self-hosted Linux, Kubernetes, networking, storage, and security stack on hardware we own. You will help make the estate reproducible via version control, plan capacity, and manage GPU AI compute workloads on-site in El Segundo.

Experience with Linux, Kubernetes in production, backups, and security discipline is required. GPU infra, Ansible or Terraform, and self-hosted CI tooling are a plus.