Senior Infrastructure Engineer/SRE

cresta

United States (Remote) · Canada

Posted Mar 1, 2026

Full-time
Remote
Engineering

Job description

Cresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta’s unified AI platform combines conversational AI agents, real-time human agent augmentation, and comprehensive conversation intelligence to drive revenue and efficiency gains across every channel. The world’s leading companies, including United Airlines, Cox Communications, and Marriott, use Cresta to power world-class customer experiences every day.

Born from the Stanford AI Lab, Cresta has raised more than $270 million from the world’s leading investors, including a16z, Greylock, and Sequoia. Cresta’s leadership includes some of the leading minds in AI today. Our CEO, Ping Wu, founded and led Google's Contact Center AI and Vertex AI platforms before joining Cresta to build the future of AI-driven customer experiences.

Over the next few years, AI is going to redefine how people all over the world interact with businesses every day. Come build that future at Cresta.

About the role:

As a member of the infrastructure team you are responsible for designing, building, and advancing our core infrastructure that allows the engineering team to execute quickly, productively, and securely. You will join a collaborative but highly autonomous working environment in which each member has a defined role with clear expectations, as well as the freedom to pursue projects they find interesting.

Responsibilities:

Developer Toolchain. Partner with engineers to build dev tools that empower developer workflows and deployment infrastructure.
Ensure reliability of multi-cloud Kubernetes clusters and pipelines.
Metrics, logging, analytics, and alerting for performance and security across all endpoints and applications.
Infrastructure-as-code deployment tooling and supporting services on multiple cloud providers.
Automate operations and engineering. Focus on automation so we can spend energy where it matters.
Building machine learning infrastructure that enables AI teams to train, test, and deploy on large-scale datasets.

What we are looking for:

5+ years experience in DevOps, Site Reliability Engineering, Production Engineering, or equivalent field.
Deep proficiency with coding languages such as Golang or Python.
Deep familiarity with container-related security best practices.
Production experience working with Kubernetes, and a deep understanding of the Kubernetes ecosystem, including popular open-source tooling such as cert-manager or external-dns. Experience with GPU-enabled clusters is a bonus.
Production experience with Kubernetes templating tools such as Helm or Kustomize.
Production experience with IAC tools such as Terraform or CloudFormation.
Production experience working with AWS and services such as IAM, S3, EC2, and EKS.
Production experience with other cloud providers such as Google Cloud and Azure is a bonus.
Production experience with database software such as PostgreSQL
Experience with GitOps tooling such as Flux or Argo.
Experience with CI/CD such as GitHub Actions.

Perks & Benefits:

We offer a comprehensive and people-first benefits package to support you at work and in life:

Comprehensive medical, dental, and vision coverage with plans to fit you and your family
Flexible PTO to take the time you need, when you need it
Paid parental leave for all new parents welcoming a new child
Retirement savings plan to help you plan for the future
Remote work setup budget to help you create a productive home office
Monthly wellness and communication stipend to keep you connected and balanced
In-office meal program and commuter benefits provided for onsite employees

Compensation at Cresta:

Cresta’s approach to compensation is simple: recognize impact, reward excellence, and invest in our people. We offer competitive, location-based pay that reflects the market and what each individual brings to the table.

The posted base salary range represents what we expect to pay for this role in a given location. Final offers are shaped by factors like experience, skills, education, and geography. In addition to base pay, total compensation includes equity and a comprehensive benefits package for you and your family.

OTE Range: $205,000–$270,000 + Offers Equity

We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the @cresta.ai domain. Any outreach claiming to be from Cresta via other sources should be ignored. If you are uncertain whether you have been contacted by an official Cresta employee, reach out to recruiting@cresta.ai