Site Reliability Engineer, VIPER

Job Description

We are passionate people focused on transforming the customer experience and dedicated to creating innovative solutions to address the unique challenges of our extraordinary scale

Requisition #: R333995 Pub Date: 04/08/22 Apply Now Share This Job With a friend (or yourself)

Job Summary

Do you love to write code? Are you passionate about operations & engineering reliability? Do you have a desire to streamline operational tasks and toil? Would you like to work on projects with tangible impact? As a SRE engineer in Time Shifted & Alternate Content Video Engineering Group, you will help to shape the next generation cloud based, highly scalable DVR & Alternate Content services. You will develop the software & procedures to help reduce operational toil and increase reliability of these platforms and develop tools to operate such large-scale system at low cost.

Job Description

Who will you work with?

Time Shifted & Alternate Content Video SRE engineers collaborate with industry experts from many fields: software architects/developers, network engineers, big data scientists, player developers, operations engineers, content security specialists, and various streaming video technologists. They will also engage with quality assurance engineers, technical operators, and product owners daily. We’re a small team, delivering software and procedures to reduce toil and ensure streamlined operational readiness.

What are some exciting problems you’ll be working on as an SRE Engineer?

One of the core products in our scope is the Rio platform. SRE supports the development and ops teams working on next generation cloud DVR system (cDVR). Comcast developed this system from the ground up. It is a large-scale system that supports millions of customers to record their favorite TV shows in the cloud and watch their recordings from any device, at anytime, and anywhere with an Internet connection.

Another product that is in our scope is the Alternate Content Platform. SRE supports the development and ops teams working on IP Linear Video Signal Processing, specifically focused on advertising and sports content. It is the responsibility of the Alternate Content team to "normalize" this video content to drive multifaceted ad insertion and sports content, tailored from large markets to individual viewers, across the Comcast footprint and that of our various content delivery partners around the world. Our IP linear video solutions perform this normalization and content switching in real time for millions of viewers, requiring scalable solutions across dozens of international data centers. Ad delivery alone is a growing $2 billion dollar Comcast business that hinges on the success of the Alternate Content team.

Where can you make an impact?

Your engineering work will be geared towards more stable, more scalable, more operable platforms. Toil and manual task elimination, along with reliability metrics and reporting for both operations and senior leadership will be a primary focus. Reduction in MTTM (Mean Time to Mitigate) and improvements in operational automation will also be a prime initiative in this role.

Responsibilities:

• Design, develop, and maintain software applications to support new features. Improve existing software’s performance and stability. Ensure software modules are reliable and simple for reuse.
• Diagnose system performance issues. Propose and implement code improvements to achieve desired system performance. Apply Key Performance Indicators (KPIs) to see opportunities for improvement.
• Operate and supervise production systems, propose improvements, develop tooling and automation to help lower the operational cost and increase the efficiency
• Improve software update and deployment process.
• Collaborates with project partners to identify product and technical requirements. Conducts analysis to resolve integration needs
• Works with Quality Assurance team to determine if applications fit specification and technical requirements
• Be a team resource to help watch for new technologies and methodologies that are relevant to our problem space. Awareness of industry standard methodologies.
• Participate in Devops and make all the things work in production.
• Regular, consistent and punctual attendance.
• Other duties and responsibilities as assigned.

Here are some of the specific technologies that the two platforms use:

• Go (Golang), Python, C/C++, JavaScript, Bash
• MPEG 2, MPEG 4, HEVC, ABR Streaming
• Linux (CentOS, Ubuntu)
• Git
• Apache httpd and the Apache Portable Runtime
• MemSQL, Postgres, Influx DB, Redis
• Docker, Kubernetes, Helm
• Spinnaker, Terraform, Concourse
• Elastic, Grafana, Prometheus

Skills & Requirements

• BS in Computer Science and 7+ years’ experience, or equivalent
• Experience in programming languages Go (Golang) and Python
• Experience with Docker, Kubernetes
• Experience working with monitoring tools such as Elastic, Grafana and Prometheus
• SRE/Devops experience. Knowledge of standard methodologies.
• Experience developing/using RESTful APIs
• Experience working with CI/CD tooling such as Spinnaker, Terraform and Concourse
• Experience working with relational databases such as MySQL or Postgres
• Experience working in Agile/Scrum environments
• Experience developing software for Networking, Web services, HTTP, and TCP/IP
• Experience with distributed systems is a plus
• Experience developing multi-threaded and dedication software
• Experience developing software on and for multicore Linux machines
• Knowledge of Object Design, Design patterns, and Algorithms
• Experience with FFMPEG, HLS, HDS, MPEG-2, MPEG-4, and H.264 compression is a plus
• Able to analyze and clearly articulate complex issues and technologies understandably and engagingly
• Great design and problem solving skills, with a strong bias for architecting at scale
• Strong troubleshooting skills, adaptable, proactive and willing to take ownership
• Able to work in a fast-paced environment

Employees at all levels are expected to:

• Understand our Operating Principles; make them the guidelines for how you do your job.
• Lead the customer experience - think and act in ways that put our customers first, give them flawless digital options at every touchpoint, and make them promoters of our products and services.
• Know your stuff - be hardworking learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
• Win as a team - make big things happen by working together and being open to new insights.
• Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
• Drive results and growth.
• Respect and promote inclusion & diversity.
• Do what's right for each other, our customers, investors and our communities.

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 EOE/Veterans/Disabled/LGBT employer.

The VIPER team is an organization within Comcast’s grander Technology Product and Experience organization (TPX) which supports the Product Management, Research & Development, Engineering and Operations for Comcast’s Elite Video Experiences in use by Comcast and Syndicated Partners. We support both legacy QAM Video Delivery and the Next Generation IP Video Platform infrastructure from Content Acquisition to the Player consuming experiences we control the end-to-end Video delivery platforms. These platforms deliver video for live linear, video on-demand and cloud DVR services consumed by more than 20 million customers both in-home and out of home on stb’s , connected tv, mobile and desktop products.

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.

Relevant Work Experience

7-10 Years