Comcast Network DevOps Engineer in Cambridge, Massachusetts

Comcast's Technology & Product organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience. From creating apps like TVGo to new features such as the Talking Guide on the X1 platform, we work every day to make a positive impact through innovation in the pursuit of building amazing products that are enjoyable, easy to use and accessible across all platforms. The team also develops and supports our evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards.


- Collaborates with project stakeholders to identify product and technical requirements.Conducts analysis to determine integration needs.

- Responsible for planning, designing and development of new software and Software Defined Networking (SDN) applications.

- Collaborates with other Software Development Engineers

- Oversees the researching, writing, and editing of documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals, and formal recommendations and reports.

- Keeps current with technological developments within the industry. Monitors and evaluates competitive applications and products. Reviews literature, patents, and current practices relevant to the solution of assigned projects.

- Assists with technical leadership throughout the design process and assists in guidance with regards to practices, procedures, and techniques.

- Assists in tracking and evaluating performance metrics. Ensures team delivers software on time, to specification.

- Works with Quality Assurance team to determine if applications fit specification and technical requirements. Tests and evaluates systems, subsystems, and components.

- Acts as a technical contact and liaison for outside vendors and/or customers.

- Presents and defends architectural, design, and technical choices to internal and external audiences.

- Consistent exercise of independent judgment and discretion in matters of significance.

- Regular, consistent and punctual attendance. Must be able to work nights and weekends, variable schedule(s) as necessary.

- Other duties and responsibilities as assigned.

Key proficiencies:

-IP internetworking. Expertise in everything from BGP to packet forwarding behavior. IPv6 and IPv4. Overlay tunnels and security.

-Security practices- VPN, SSL, Access Control, Firewalls

-Overlay technologies- GRE, VXLAN, IPSEC, EVPN

-Ability to produce YANG models and familiarity with Open Config

-Computer systems. Unix kernel architecture to system administration. Experience with Linux, *BSD, OpenWRT.

-Low-level software development. Expert understanding of C, kernel interfaces. Intel x86 and ARM systems architecture.

-High-level software development. Java, Python, Go, etc.

-Ability to quickly produce proofs-of-concept, but with a vision of how to turn that into a stable, scalable and sustainable application.

-Specific knowledge of Cisco XR and Juniper routers.

-Automation/scripting solutions for performing operational tasks. (Ansible, Perl, Python, Unix shell), API (REST, SOAP). Understanding of web development components (XML, HTML, CSS, JSON)

-Experience with AWS tools and deployments. OpenStack knowledge is a plus.

-Understanding of DHCP, DNS, NTP, SNMP, Telemetry, AAA, Configuration Management, Policy based routing.

-Technical background in servers, virtualization, networking, infrastructure management, and security.

Other desirable skills not limited to:

-Working with Open Source. Both as a user and community contributor.

-Kernel development. Linux, *BSD, OpenWRT.

-Application/Server development. POSIX interface, networking, application environments, high-availability,

-Virtualization, containers. QEMU-KVM/libvirt, VMware, OpenStack, AWS, Azure, Docker, Kubernetes, Vagrant.

-Software Defined Networking, network automation, data-plane programming.

-Familiarity with any of these or similar tools and systems: Quagga, Bird, VPP, FBOSS, Wedge, Cisco Lindt, Kafka.

-Network telemetry, key-value & JSON document stores, time-series databases.

-Distributed systems.

-Machine learning.

Job Specification:

- Bachelors Degree or Equivalent -Engineering, Computer Science or related field

- Generally requires 5-8 years related experience

- Authorization to work in the United States is required.-

Comcast is an EOE/Veterans/Disabled/LGBT employer