Senior Site Reliability Engineer - Cloud & Observability

Comcast; Reston (VA); On-site; USD 109,000 - 164,000; Full time

Job summary

Comcast seeks a Site Reliability Engineer to own cloud infrastructure, system reliability, and observability for the FreewheelBuyerCloud and Revenue Science teams. The role operates across AWS and Kubernetes with IaC-driven management, supporting thousands of apps and containers worldwide.

Responsibilities include building scalable infra, automating incidents, and maintaining extensive documentation. Strong Linux/AWS/Kubernetes experience required.

Qualifications

• Experience designing, analyzing, and troubleshooting large-scale distributed systems.
• 3+ years of Linux, AWS, and Kubernetes administration.
• 3+ years in configuration management using CloudFormation, Terraform, and Ansible or similar.
• 3+ years coding in Python, Java, or C++.
• Strong problem-solving and communication skills.

Responsibilities

• Design and build infrastructure solutions for high scalability, reliability, and sub-second performance.
• Develop IaC tooling and scripts to support configuration management and incident resolution.
• Extend observability to capture and alert on issues.
• Participate in on-call rotation and act as escalation contact for incidents.
• Create system documentation, playbooks, and other instructional materials.

Skills

Linux administration

AWS

Kubernetes

CloudFormation

Terraform

Ansible

Python

Java

C++

Problem solving

Communication

Education

Bachelor's degree in computer science, computer engineering, or related field

Equivalent practical experience

Tools

Kubernetes

AWS

Terraform

CloudFormation

Ansible

Python

Java

C++

Job description

Comcast seeks a Site Reliability Engineer to own cloud infrastructure, system reliability, and observability for the FreewheelBuyerCloud and Revenue Science teams. The role operates across AWS and Kubernetes with IaC-driven management, supporting thousands of apps and containers worldwide.

Responsibilities include building scalable infra, automating incidents, and maintaining extensive documentation. Strong Linux/AWS/Kubernetes experience required.