CPE Test Engineer

Role: CPE Test Engineer

Location: Plano Texas

Type: Contract

Job Description

• Responsible for test planning and execution of RG (Residential Gateways) certification testing for consumer services
• Identify key issues open defects work with the vendor for a resolution validate and resolve the defects once fix is available in a labsbased environment
• Understand and able to configure voice gateways with registrar server and troubleshoot connectivity issues
• Able to read and analyze debug VoIP logs and open bugs with vendors
• Provision and configure voip lines on RGs (Residential Gateways)
• Thorough understanding of IP based network systems and protocols
• Extensive knowledge of SIP protocol and related network components (Gateways SBC Proxy).
• End to End call flow testing of VoIP services which may require coordination with other teams (Domestic and International)
• Developing test scripts and plans; Perl and / or Shell scripting experience is a plus
• Provide Lab environment test support
• Deep understanding and debugging capabilities for SIP RTP and WireShark traces/captures
• Test SIP and RTP call traces and SIP call flow
• Attend project meetings to review system and test requirements
• Responsible for Tier 4 problem and troubleshooting/diagnosis and resolution
• Provide production and escalation support to Operations and Service teams
• Experience with tracing and troubleshooting VoIP sessions at the packet level
• Experience in handling VoIP related automation test tools for call generation is a plus

Required Skills/Experience:

• 5 years of testing and field support experience in various VoIP and/or Mobility products and technologies
• Strong Tier 4 problem and troubleshooting/diagnosis and resolution experience.
• Extensive knowledge/experience with various protocols/architectures (SIP RTP RTCP H.323 IMS T.38) wrt implementation interworking troubleshooting and support
• Experience with VoIP and/or Mobility Solutions with extensive knowledge of Dial Plans Call Features and Media Resources
• Working knowledge/experience of IP networking (v4 and v6) IP networking protocols NATing ACLs SSL/TLS VLANs and Routing protocols in the troubleshooting and support realms.
• Unix skills and knowledge of OpenStack and relevant protocols for virtual services design like HTML XML Java Python is a plus.
• Experience with gathering analyzing and troubleshooting complex customer/network (VoIP and/or Mobility) sessions at the packet level using tools such as Wireshark Agilent Tektronix Netscope.
• Strong communications skills required for working directly with vendors and manage/direct outage bridges.
• Understand and able to configure voice gateways with registrar server and troubleshoot connectivity issues
• Proven experience and success with voice over LAN WAN and QOS design and implementation.
• Issue management and tracking (good project management and record keeping skills)
• Prior Telecom ConsumerVOIP service delivery (Test and Turn) experience is a plus
• Knowledge of quality/bug tracking systems (i.e. Quality Center TMATS) and testing processes
• Deep understanding of the SIP protocol and IETF/ITUT standards in support of VoIP services. Examples: RFCsetc.