Site Reliability Engineer 3 - Reston, VA - Hybrid - Freewheel

Comcast Corporation; Reston, Northern (VA, KY); Hybrid; USD 98,000 - 164,000; Full time

Job summary

Comcast is seeking a Site Reliability Engineer to own cloud infrastructure, reliability, and observability for multiple teams. You will design scalable infrastructure on AWS/Kubernetes, write IaC tooling, and extend the observability stack to detect and alert on issues.

The role includes on‑call rotations, incident escalation, and creating playbooks and documentation to ensure robust, high‑availability services.

Qualifications

• Bachelor’s degree in computer science, computer engineering, or equivalent practical experience.
• Experience in designing, analyzing, and troubleshooting large‑scale distributed systems.
• At least three years of administration experience with Linux, AWS, and Kubernetes.
• At least three years of experience in configuration management using CloudFormation, Terraform, and Ansible or similar.
• At least three years of experience coding in higher‑level languages such as Python, Java, or C++.
• Strong problem‑solving skills and strong verbal/written communication.

Responsibilities

• Design and build infrastructure solutions for high scalability, reliability, and sub‑second performance.
• Write code and scripts to support Infrastructure as code, configuration management, and automated incident resolution.
• Support and extend the observability stack to capture and alert on issues.
• Participate in on‑call rotations and serve as escalation contact for incidents.
• Write system documentation, playbooks, and instruction manuals.

Skills

Linux administration

AWS

Kubernetes

Distributed systems design

Programming in Python/Java/C++

Problem solving

Communication skills

Education

Bachelor's degree in CS/CE or related field

Tools

CloudFormation

Terraform

Ansible

Job description

Job Summary

We’re looking for a Site Reliability Engineer to own cloud infrastructure, system reliability, and observability for the Freewheel BuyerCloud and Revenue Science teams. Freewheel BuyerCloud (formerly Beeswax) is a massive‑scale, highly available, user‑friendly programmatic demand‑side bidding platform. Revenue Science builds the company's machine learning and AI solutions. Together, these teams run thousands of applications, servers, and containers across multiple regions worldwide — built on AWS and Kubernetes and managed entirely through Infrastructure‑as‑Code.

Job Description

• Design and build infrastructure solutions and tooling to provide high scalability, reliability, and sub‑second performance levels using industry best practices.
• Writing code and scripts to support Infrastructure as code (IaC), configuration management, and automated incident resolution.
• Support and extend the observability stack to capture and alert on any issues.
• Participate in on‑call rotations and be an escalation contact for service incidents.
• Write system documentation, playbooks, and other instruction manuals.
• Other duties and responsibilities as assigned.

Minimum Qualifications and Skills

• Bachelor’s degree in computer science, computer engineering, relevant technical field, or equivalent practical experience.
• Experience in designing, analyzing, and troubleshooting large‑scale distributed systems
• At least three (3) years of administration experience with Linux, AWS, and Kubernetes
• At least three (3) years of experience in configuration management using Cloud Formation, Terraform, and Ansible or similar.
• At least three (3) years of experience coding in higher‑level languages, such as Python, Java, or C++
• Strong problem‑solving skills
• Strong verbal / written communication skills
• Education Bachelor's Degree While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.
• Certifications (if applicable) Relevant Work Experience 5-7 Years

Preferred Qualifications

• Certified AWS Solutions Architect Associate
• Certified Kubernetes Administrator (CKA)
• Skills: DevOps, Kubernetes, Python (Programming Language)

Compensation

Virginia Pay Range: $109,178.41 - $163,767.61

Comcast intends to offer the selected candidate base pay within this range, dependent on job‑related, non‑discriminatory factors such as experience.

Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work.

Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non‑sales positions are eligible for a Bonus.

Additionally, Comcast provides best‑in‑class Benefits to eligible employees.

We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always‑on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life.

Equal Opportunity Employment

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.

At Comcast, you have the power to connect the world.

Your career options are endless as you grow in your career. Explore your future with access to a variety of teams, locations, and resources in an expanding network.

You can also explore additional opportunities at our company, NBCUniversal.