> Markdown version of [/jobs/ext/2257241-sr-site-reliability-engineer-data-freewheel](https://www.wearedevelopers.com/jobs/ext/2257241-sr-site-reliability-engineer-data-freewheel). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Site Reliability Engineer, Data - FreeWheel - **Company:** Xfinity - **Location:** Reston, VA, United States - **Experience:** Expert - **Salary:** $128,831.0 - $193,246.0 - **Contract:** Permanent contract - **Skills:** Query Performance, Java (Programming Language), Amazon Web Services, Amazon S3, Microsoft Azure, Big Data, Computer Programming, Data Architecture, Information Engineering, Data Governance, Extract Transform Load (ETL), Data Systems, Software Debugging, DevOps, Disaster Recovery, Distributed Data Store, Distributed Systems, Apache Hadoop, Hadoop Distributed File System, Monitoring of Systems, Python (Programming Language), PostgreSQL, MySQL, NoSQL, Performance Tuning, Reliability Engineering, Ansible, Prometheus, DataOps, Software Engineering, Software Testing Automation Framework, Data Streaming, Aerospike, Google Cloud, Data Storage Technologies, System Availability, Snowflake, Grafana, Apache Spark, Software Troubleshooting, Containerization, Kubernetes, Information Technology, Cassandra, Apache Kafka, Data Management, Terraform, Data Pipelines, Docker, Elk Stack, Golang, Microservices - **Published:** August 26, 2026 - **Apply:** https://www.careerjet.com/job/usea53a14e4a8a2b3088bb970f2fb4c3b5/eaa ## About the Role * At least 8+ years of experience as an SRE, DevOps, or Data Operations Engineer. * Experience with cloud platforms (e.g., AWS, GCP, Azure). * Familiarity with modern data architectures and technologies, including big data platforms (e.g., Kafka, Hadoop, Spark) and distributed storage (e.g., Cassandra, HDFS, AWS S3). * Extensive experience in database management (e.g., NoSQL databases, MySQL, PostgreSQL). * Proficiency in automation tools and frameworks (e.g., Ansible, Terraform, Kubernetes, Docker) for automating data system deployment and maintenance. * Familiarity with modern CI/CD pipelines. * Programming skills in Python, Go, Java, or Scala with the ability to write efficient scripts and automation tools. * Experience using monitoring and log management tools such as Prometheus, Grafana, and ELK Stack. * Strong troubleshooting and debugging skills with the ability to quickly identify and resolve production issues. * Excellent communication skills with the ability to convey technical information clearly to technical and non-technical stakeholders. * Education: Bachelor's degree or higher in Computer Science, Software Engineering, or a related field. Additional Preferred Skills * Experience with Aerospike, Kafka, Snowflake, and other big data technologies. * Familiarity with containerization, microservices architecture, and Kubernetes. * Experience designing and maintaining large-scale distributed systems. * Experience in data quality management, data governance, or ETL pipelines., Amazon Web Services (AWS); Automation; Python (Programming Language), 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. Relevant Work Experience 5-7 Years ## Description System Monitoring and Optimization * Design and implement monitoring and alerting systems to ensure the stability, reliability, and performance of data platforms. * Quickly respond to and resolve issues impacting data pipelines or storage layers. Automation and Tool Development * Develop and maintain automation tools and scripts for deployment, monitoring, backup, recovery, and disaster recovery of data systems. Performance Optimization * Analyze and optimize the performance of data storage, query performance, and data flows to ensure efficient processing of large-scale datasets. * Reduce latency and improve processing speed. Incident Response and Troubleshooting * Respond quickly to data platform failures. * Perform troubleshooting and coordinate cross-team efforts to resolve issues. * Ensure high availability and reliability of data platforms. Capacity Planning and Scaling * Work with data engineering teams to analyze and forecast capacity requirements. * Ensure systems can accommodate data growth and scale infrastructure accordingly. Documentation and Knowledge Sharing * Document the architecture, configurations, and operational procedures for data platforms. * Share knowledge across the team and provide relevant training. Security and Compliance * Ensure data platforms meet security standards and compliance requirements. * Prevent data breaches, unauthorized access, and data misuse. Cross-Team Collaboration * Collaborate with data science, product, and development teams. * Support data product design and implementation. * Resolve reliability-related issues across the platform. ## Related Videos - [DevOps at Netflix](https://www.wearedevelopers.com/videos/270-devops-at-netflix) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)