Senior Software Engineer, Infrastructure - Weights & Biases

Weights & Biases•Sunnyvale, CA

3d•$153,000 - $204,000

About The Position

Weights & Biases, now part of CoreWeave, is seeking a Senior Software Engineer, Infrastructure to join the new Infra Ops team within the Execute pillar. This team's mission is to enable platform engineers by managing and automating infrastructure requests, including incidents, how-to questions, troubleshooting, and ad-hoc tasks. The role involves working across the full W&B/CoreWeave infrastructure stack, including Kubernetes, Go, Terraform, ClickHouse, CircleCI, ArgoCD, Argo Rollouts, and GitHub Actions, deployed on GCP, AWS, and Azure. The position is support-oriented and interrupt-driven, focusing on triaging and resolving incoming requests from internal customers like Solutions Engineers, security, and product developers. The goal is to learn the infrastructure surface quickly, convert recurring issues into documentation and automation, and contribute to a robust release process. This role offers a fast-paced learning environment and a natural entry point into infrastructure engineering.

Requirements

2+ years in an infrastructure, SRE, operations, DevOps, or technical-support role, or equivalent experience from a computer-science degree, bootcamp, or substantial personal/open-source projects.
Comfortable scripting in at least one of Python, Bash, or Go, with a desire to use code to eliminate repetitive work.
Experience with Linux, containers, and at least one major public cloud (GCP, AWS, or Azure).
Infrastructure-as-code (Terraform) is a must.
Ability to drive well-scoped problems to resolution and recognize when to involve senior teammates.
Strong written and verbal communication skills with a service mindset.
Genuine desire to help people and unblock them.
Patience and composure under pressure, with the ability to stay positive and constructive.
Comfortable with a support-driven, high-context-switching, and sometimes repetitive workload.
Aim to automate everything to free time for larger infrastructure projects.

Nice To Haves

Exposure to CI/CD systems (GitHub Actions, Argo, or similar) and observability tooling (Datadog).
Hands-on experience designing, building, and maintaining complex, production-grade AI agents, including continuous multi-source data ingestion and indexing, and RAG / context augmentation.
Hands-on experience with production databases (PostgreSQL, ClickHouse, or similar).
Prior internship or role on a platform, developer-experience, or support-engineering team.

Responsibilities

Triage and resolve incoming infrastructure requests across Slack, Jira, and office hours, resolving well-scoped ones independently and escalating others with clear hand-offs.
Troubleshoot problems across the stack by analyzing logs, systems, and configurations, seeking assistance for complex issues.
Write scripts and automation in Python, Bash, and Go to reduce repetitive work.
Help maintain and improve build and release pipelines, along with runbooks and self-service documentation.
Collaborate closely with SA, security, and product engineers, as well as other infrastructure pillars.
Participate in a 24/7 escalation on-call rotation.
Document recurring how-to and configuration questions for reuse.