Senior Site Reliability Engineer

Senior Site Reliability Engineer Remote | Contract | $40-$50/hour About Blitzy Blitzy is a Cambridge, MA-based AI software development platform transforming how enterprises build software. Our agentic platform autonomously executes 80% of the software development lifecycle - turning enterprise requirements into production-ready code. We're backed by tier 1 investors and serve Fortune 500 customers. The Role We're looking for a Senior SRE to own reliability, scalability, and operational excellence for our AI-powered development platform. This is a hands-on role for an engineer who takes deep ownership of the systems they build and thrives in a fast-moving environment. What You'll Own Design, build, and operate scalable, fault-tolerant infrastructure across cloud environments (AWS preferred) Define and enforce SLOs, SLAs, and error budgets; lead blameless postmortems Build and maintain CI/CD pipelines, release automation, and deployment infrastructure Own observability: logging, metrics, tracing, and alerting (Prometheus, Grafana, Datadog, OpenTelemetry) Partner with software engineering teams to embed reliability practices into the development lifecycle Drive capacity planning, performance benchmarking, and cost optimization Champion security best practices within infrastructure and deployment layers Required Experience 5+ years in Site Reliability Engineering, DevOps, or Infrastructure Engineering Strong proficiency in at least one major cloud platform (AWS preferred) Hands-on with Kubernetes and container orchestration at scale Experience with infrastructure-as-code tools (Terraform, Pulumi, or equivalent) Proven track record with high-availability, distributed systems Deep expertise in observability tooling, incident management, and on-call practices Strong scripting and automation skills (Python, Go, Bash, or similar) What Makes You Stand Out Experience supporting AI/ML workloads or GPU-accelerated infrastructure Familiarity with eBPF, service mesh technologies (Istio, Linkerd), or advanced networking Prior experience in a high-growth startup Contributions to open-source SRE/DevOps tooling Experience with global, multi-region infrastructure How to Apply To be considered, you must complete our technical assessment as the first step. This is mandatory for all applicants. Step 1 - Complete the technical assessment: (link removed) Please complete this before or immediately after submitting your proposal. Your performance on this assessment will be heavily weighted in our evaluation. You are welcome to use any online resources. Step 2 - Interviews with Blitzy management Step 3 - Offer notification with timeline to accept How We Work We move fast, take ownership, and hold each other to high standards. We're pushing the frontier of what's possible in software development and we work for the customer above all else.