Senior Infrastructure Engineer - Network Infrastructure

Plaid•New York, NY

3d•$190,800 - $238,800

About The Position

As an Infrastructure Engineer on Plaid’s Network Infrastructure team, you’ll own substantial parts of the network that Plaid products depend on. You’ll plan and lead company-wide changes, such as service mesh upgrades and modernization of older cloud network components, delivering them safely without disrupting customers. You’ll build tools that help product engineers work independently, strengthen network security and compliance boundaries, and investigate complex issues. The team is small and new, offering a meaningful voice in its technical direction and a path toward Staff-level scope.

Requirements

Experience running production infrastructure at scale in infrastructure, SRE, or network engineering.
Solid understanding of networking fundamentals, including TCP/IP, DNS, TLS, HTTP, and load balancing.
Hands-on experience with Kubernetes networking, such as a CNI, service mesh, or ingress.
Experience with cloud networking, ideally on AWS.
Ability to write code in Go or Python.
Track record of safely making large production changes with a rollback plan.

Nice To Haves

Production experience with Istio, Envoy, or Cilium.

Responsibilities

Lead company-wide network changes, such as service mesh upgrades and gateway migrations, using staged rollouts to avoid customer disruption.
Simplify and modernize the cloud network, reducing risk and improving operability.
Build self-service tools in Go and Terraform so product engineers can independently expose, route, and secure their services.
Strengthen network security and compliance boundaries without slowing developers down.
Debug complex network issues and improve alerts, dashboards, and guardrails based on findings.
Participate in on-call, lead incident response for network issues, and drive follow-up fixes.