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Lead Site Reliability Engineer

Comcast

Philadelphia, PA
Full-time
Salary not listedPosted 15m ago

Real job — pulled straight from Comcast’s careers page · Verified September 9, 2026 · No reposts.

Job description

Comcast is hiring a Lead Site Reliability Engineer — a full-time, based in Philadelphia, PA role. Apply directly on Comcast's careers page below.

Lead Site Reliability Engineer-9086

Location: Philadelphia, Pennsylvania, US

Employment Type: Full Time

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we’re making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world.

Job Description

DUTIES: Provide technical leadership in designing and developing new software and web applications using Python and Bash scripting; perform container orchestration, cluster design, and cluster management using Kubernetes and AWS ECS; administer AWS cloud infrastructure, including AWS managed services and AWS marketplace solutions; perform metrics collection and visualization, centralized logging, application performance monitoring (APM), and tracing using Grafana; perform configuration management using Terraform, Ansible, and Cloud Formation; create CI/CD pipelines using Jenkins and AWS Code Deploy; perform Linux systems administration; administer cloud-native networking components, including AWS ALB, AWS NLB, HAProxy, and Nginx for load balancing, traffic routing, and proxies; configure load balancing and message passing using Envoy Proxy, gRPC, and protobuf; administer Aerospike databases; utilize ArgoCD and Argo Workflows for continuous container deployment and managing workflows; develop programmatic advertising technology using OpenRTB and VAST protocols; design, analyze, and troubleshoot large-scale distributed systems; collect product requirements, organize and host scrum events (sprint planning, daily progress meetings, and retrospectives) to ensure products are delivered according to schedule; help shape business and technical strategies; initialize, design, and develop new technical tools; support customer deployments, integrations, expansion projects, and internal initiatives; support production issues raised by customers by identifying the root cause and providing a reasonable fix plan; check and improve data infrastructure system alerts on premises and on AWS; serve as the technical focal point for escalations and feedback relating to any production issues; and guide and mentor junior-level engineers. Position is eligible for 100% remote work.

REQUIREMENTS: Bachelor’s degree, or foreign equivalent, in Computer Science, Engineering, or related technical field, and seven (7) years of experience developing software and web applications using Python and Bash scripting; administering AWS cloud infrastructure, including AWS managed services and AWS marketplace solutions; performing metrics collection and visualization using Grafana; performing Linux systems administration; administering cloud-native networking components, including HAProxy, and Nginx for load balancing, traffic routing, and proxies; of which five (5) years include performing configuration management using Ansible; creating CI/CD pipelines using Jenkins; of which one (1) year includes performing container orchestration, cluster design, and cluster management using Kubernetes and AWS ECS; performing centralized logging, application performance monitoring (APM), and tracing using Grafana; performing configuration management using Terraform and Cloud Formation; creating CI/CD pipelines using AWS CodeDeploy; administering cloud-native networking components including AWS ALB and AWS NLB; configuring load balancing and message passing using Envoy Proxy, gRPC, and protobuf; administering Aerospike databases; utilizing ArgoCD for continuous container deployment; and working with OpenRTB and VAST protocols.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

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.


Skills:

Grafana; Argo CD; Python (Programming Language); Linux System Administration; Bash Scripts






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. Please visit the compensation and benefits summary on our careers site for more details.


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Frequently asked questions

How do I apply for Lead Site Reliability Engineer at Comcast?

You can view the full description and apply for Lead Site Reliability Engineer at Comcast on EchoJobs: https://echojobs.io/job/comcast-lead-site-reliability-engineer-9086-i8avo.