Routing Unified Communication Software Engineer

Unified Communications Software Development Team Position

We are the Unified Communications (UC) Software Development team within Cisco Routing Business Unit under the Workplace Technology Group. Our team is responsible for a wide range of voice solutions, including Cisco flagship Voice Gateways (VG) for both Cloud Calling and On-Prem Calling, Digital Signal Processors (DSP) modules, as well as Analog and Digital Voice Modules operating on Catalyst 8200/8300 routing platforms. We also develop VoIP applications such as audio conferencing, transcoding, SWMTP, Fax, and Secure Modem for DoD and DoJ, and Secure Voice (TLS and sRTP).

Our mission is to develop and maintain a competitive and high-quality VG and VoIP products, support the transition from on-prem to cloud calling, and integrate key UC capabilities into Cisco SD-WAN. Our major customers include U.S. government agencies (DoD, U.S. Army, FedRAMP), top financial institutions, healthcare providers, universities, FedEx, Disney, and leading retail stores.

Join our high-energy team to help build the next-generation VG and drive the transition of on-prem voice solutions to the cloud.

Your Impact

You will join a team of talented and experienced software engineers to develop, test, and sustaining voice features on the next-generation (NG) routing platform and NG Voice Gateway. Your primary focus will be on P0 automation using pyATS for the new and existing UC features. You will also help the team on UC customer support in which you will work on BEMS (Business Escalation Management System) under senior engineer's supervise to maintain high CSAT (customer satisfaction).

Minimum Qualifications

• BS or MS in Computer Science or Computer Engineering. 3-5 years of Telecom or Networking industry experience. Experience in VoIP and Voice Gateway software testing automation.
• Good Python and embedded C programming skills, knowledge of PyATS, parser libraries, and Linux shell scripting. Develop and maintain automated tests for both new and existing voice features.
• Knowledge of test tools such as Camelot, Callgen, TRex , SIPp and Jenkins
• Understanding of VoIP concepts and call control protocols such as Session Initiation Protocol (SIP), DSPFarm, traditional digital/analog voice interfaces, and Cisco Call Manager, to automate tests, troubleshoot failures, and maintain/upgrade testbeds.
• Good written and verbal communication skills in English

Preferred Qualifications

• Self-motivated, result driven, and teamwork
• Understanding of DSPFarm services, Digital Signal Processor (DSP) functions, codecs
• Familiar with Linux server setup and upgrades and Cisco UCS
• Working experience on customer support is a plus