Senior Cloud Engineer
Senior Cloud Engineer owning AWS/GCP infrastructure, Kubernetes/GitOps platforms, and CI/CD systems. Designs and operates scalable, secure cloud infrastructure while mentoring engineers and enabling AI/ML tooling.
Responsibilities
- Design, build, and operate cloud infrastructure, platform tooling, and CI/CD systems for OfferUp's core applications
- Build cloud infrastructure as code using Terraform on AWS and GCP, optimizing for reliability, security, and cost
- Own and evolve the Kubernetes & GitOps platform (EKS/GKE, Envoy/Gloo networking, Helm, ArgoCD)
- Build and maintain CI/CD pipelines and developer workflows (GitHub Actions, monorepo tooling, JFrog Artifactory)
- Maintain backend "golden templates" and shared libraries used across the organization
- Lead platform migrations end-to-end including observability, data-store, Kubernetes, and multi-account migrations
- Drive operational excellence and security: own observability in Datadog, participate in on-call, remediate CVEs, manage secrets and access controls (Cloudflare/ZTNA, Okta, SSO, Workload Identity Federation), optimize cloud cost
- Enable AI/ML developer tooling (Amazon Bedrock, Claude, AI-assisted workflows)
- Lead design and code reviews, set technical standards, mentor engineers, and partner with other teams
Requirements
- 5–8 years in cloud engineering, infrastructure, platform, DevOps, or SRE roles
- Bachelor's in Computer Science or a related field, or equivalent practical experience
- Deep, hands-on experience with AWS (ideally GCP): EKS/GKE, Lambda, networking, IAM, S3, Kinesis, OpenSearch, Route53 using Terraform at scale
- Solid experience with Kubernetes (EKS/GKE), Helm, GitOps (ArgoCD), and CI/CD pipelines (GitHub Actions or similar) in a monorepo or multi-service environment
- Experience with modern observability tooling (Datadog or similar) for metrics, logs, traces, and alerting; supporting production systems, on-call, and debugging complex distributed systems
- Proficiency in at least one of Java, TypeScript, Python, or Go for automation, tooling, and platform development; comfort with scripting and SQL
- Ability to communicate technical concepts to technical and non-technical audiences, lead through influence, and mentor other engineers
Nice-to-Haves
- Experience with edge and zero-trust networking (Cloudflare, Envoy/Gloo)
- Experience operating data and streaming infrastructure (Kinesis, Flink, Redis/Valkey, Confluent/Kafka)
- Experience enabling AI/ML infrastructure or developer tooling (Amazon Bedrock, SageMaker, or LLM-based developer workflows)
- Experience with security and compliance practices, change management, and incident management at scale
- Experience with GCP Workload Identity Federation and cross-cloud (AWS↔GCP) integrations
Compensation & Benefits
- Compensation Range: $215,000 - $240,000
- Equity in OfferUp
- Health insurance, healthcare savings and spending accounts
- 401(k) plan with match
- Basic and voluntary life insurance, disability benefits
- Paid time off: sick leave, family/medical leave, vacation (flexible 3-5 weeks), 12 company holidays
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