Calix Inc.

Consulting Systems Engineer

US-CO-Denver | US-US - Remote
Job ID
Position Type
Full Time


We at Calix wake up every day and think about one thing – the best way to connect the device-enabled subscriber and the cloud-enhanced Internet of Everything. It’s a noble cause, and one that we share with a finite group of communications service providers (CSPs) around the world whose networks and software define the broadband experience of subscribers everywhere. As the leading provider of innovative communications software, systems, and services to these CSPs, our role is to provide the vision, the insights, and the solutions to enable them to be the service provider of choice to their subscribers.


This formula has worked. As Calix Software Defined Access and Calix Cloud innovations and value-added services enable our customers to transform their businesses and be the winning CSPs of tomorrow, they reward us with double-digit growth and extraordinary loyalty. It’s a virtuous cycle, and as a half-billion dollar start-up, it’s one that is just getting started.


Do you share our passion and want to learn more? 


***Location: US Remote within short driving distance to a major airport hub.***



The candidate will be a key member of a sales engineering team that defines, scopes, communicates and engineers the future of Calix’s network software operating system based product offerings. The candidate must interface effectively and work very closely with different functions such as Product Management, Business Development, Marketing, and Engineering to define and implement proofs of concepts and demonstrations around software defined access, which includes SDN and NFV.  This will also include design, engineering, development and delivery of these world class calix solutions for a Global Tier 1 carrier in which the engineering role is for. 


We are looking for a highly energetic and driven professional with a proven technical track record in integrating open source projects as well as complex end-end system integrations. The candidate must have a thirst for learning new things and the motivation to bring projects to an operational state.



  • Install and operate instances of complex open source projects, including ONF Open CORD reference implementation, OpenStack, ECOMP, OPNFV, and Open Source MANO based on customer needs and partnerships back into the development organizations
  • Be an extension of engineering to co-collaborate, develop and bring forth these solutions for our customer opportunities
  • Integrate Calix technology with the open source projects.
  • Conduct demonstrations and make presentations of Calix technology with open source technology to the team and Global Tier 1 provider
  • Assist partners with their integrations with Calix technology through open, standard interfaces including OpenFlow and NETCONF.
  • Write blog posts on your experiences with various open source technologies.


Required Skills:

  • L2-L7 Protocols, including UDP, TCP, MPLS, IGMP, HTTP(S), Quic, VXLAN, L2CP
  • Routing protocols: BGP, ISIS, OSPF
  • SDN protocols: OpenFlow
  • Scripting: BASH and Python preferred
  • Experience with operationalizing open source projects
  • Writing and presentation skills. PowerPoint artistry skills are a plus.
  • 50-75% travel in the US to support a major Tier 1 service provider
  • BSEE/BSCS desired
  • 7+ years’ experience in telecommunications 



Additional Desired Skills:

  • Virtualization: VMware, KVM, VirtualBox
  • Automation: Ansible, Gradle
  • OpenStack
  • Docker, Kubernetes
  • Java programming




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