Senior Site Reliability Engineer: Kubernetes & Automation

Devopsroles; Boston (MA); Hybrid; USD 128,000 - 160,000; Full time

Job summary

DraftKings is seeking a Senior Site Reliability Engineer to build and scale Kubernetes infrastructure across public clouds and on-prem environments. You will design automation-first solutions, drive stability, and own capacity strategies to empower rapid, reliable delivery.

You’ll implement self-healing infrastructure, evolve GitOps with Rancher Fleet, Flux, and Helm, and contribute to architectural decisions while participating in on-call rotations.

Qualifications

• Bachelor’s Degree in Computer Science or a related field, or equivalent education, experience, and training.
• At least 4 years of experience managing distributed cloud and on-premise environments at scale, including strong hands-on experience with AWS; experience with GCP, vSphere, or Nutanix is a plus.
• Deep expertise in Kubernetes and container orchestration, with experience designing, scaling, and troubleshooting complex workloads.
• Strong software development experience using Go and Python to build automation and infrastructure tooling.
• Working knowledge of networking and Linux-based systems, including Docker/containerd, packet-level debugging, and kernel troubleshooting.
• Experience with Infrastructure as Code and configuration management tools to build scalable, consistent, and repeatable infrastructure.

Responsibilities

• Drive stability, performance, and scalability across our global compute platform spanning multiple public clouds and on-premise environments.
• Build self-healing, fault-tolerant infrastructure and internal tooling that automates repetitive operational work and reduces toil for Platform and Application teams.
• Operate and evolve our GitOps delivery model, using Rancher Fleet, Flux, and Helm to deploy core Kubernetes services and application workloads consistently and reliably.
• Own Kubernetes scaling and capacity strategies using technologies including Karpenter, Horizontal Pod Autoscaler (HPA), Kubernetes Event-Driven Autoscaling (KEDA), and predictive scaling based on event and calendar data.
• Define and monitor service-level objectives and reliability metrics for platform components using Datadog and our logging pipeline.
• Strengthen our engineering practices by sharing knowledge, contributing to architectural and design discussions, and participating in an on-call rotation.

Skills

Kubernetes

Go

Python

AWS

GCP

Networking

Linux

IaC

Education

Bachelor’s degree in CS or related field

Tools

Docker

containerd

Rancher Fleet

Flux

Helm

Karpenter

HPA

KEDA

Datadog

Job description

DraftKings is seeking a Senior Site Reliability Engineer to build and scale Kubernetes infrastructure across public clouds and on-prem environments. You will design automation-first solutions, drive stability, and own capacity strategies to empower rapid, reliable delivery.

You’ll implement self-healing infrastructure, evolve GitOps with Rancher Fleet, Flux, and Helm, and contribute to architectural decisions while participating in on-call rotations.