WaveCreste is currently looking to add an ePTT (Tier 4) Test Engineer.
Key Responsibilities Include:
Tier 4 problem and troubleshooting/diagnosis and resolution
Test planning and execution for network/field validation testing in a large telecommunications environment.
End to End call flow testing of Mobility services which may require coordination with other teams (Domestic and International)
Fulfilling the duties associated with customer cut-overs
Developing test scripts and plans; Perl and / or Shell scripting experience is a plus
Provide Lab environment test support
Debugging packets with Wireshark
Test SIP call traces and SIP call flow
Develop Method of Procedure for field implementation
Attend project meetings to review system and test requirements
Provide production and escalation support to Operations and Service team
Working knowledge of LMR solutions is a plus
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, H.323, IMS, T.38) wrt implementation, interworking, troubleshooting, and support
Hands-on operational and engineering experience with key Mobility network element platforms: Cisco (Routers, Switches, WLAN infrastructure), VoIP Gateways, Sonus Gateways and Soft switches, ACME SIP proxy, RAN, Devices (Samsung, Apple, Sonim, NEC, Blackberry, etc), Ericcson and/or Alcatel Lucent IMS platforms
Experience with VoIP and/or Mobility Solutions with extensive knowledge of Dial Plans, Call Features and Media Resources
Deep understanding of IP based network systems (VLANs) and protocols (NTP, DHCP) HCP)
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.
Strong communications skills – required for working directly with vendors, customers, 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 BVOIP service delivery (Test and Turn) experience is a plus
Knowledge of quality/bug tracking systems (i.e. Quality Center, TMATS) and testing processes
Testing and field support after hours may be needed
WaveCreste is an IT professional services, consulting and outsourcing company helping clients leverage technology to improve business results. WaveCreste has been delivering value for clients since 2002. Our clientele spans Fortune 100 corporations and emerging companies. WaveCreste employs more than 300 systems professionals nationwide.
WaveCreste - 11 months ago
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