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VOIP Tier 4 Test Engineer in Middletown, NJ at Genesis Networks

Date Posted: 12/6/2018

Job Snapshot

Job Description

The subject matter expert (SME) will act as the Single Point of Contact for multiple services in the AT&T Converged Services portfolio. He/she will handle escalations for customer/production issues from Operations (Tier 2) and Advanced Technical Support (Tier 3) groups as well as execute Network Verification Testing (NVT) for capacity augments and/or new features/functionalities for the service(s). The individual will be responsible for change management governance of the VoIP network.


The individual must be adept in understanding complex enterprise-grade VoIP architectures, partnering with peer organizations, and leading cross-functional teams in this critical role. The candidate should possess 5+ years of experience in Network Operations, Engineering, IT operations, and technical product/program management of VoIP and/or Mobility services.


The individual must have a strong background in networking protocols, design, and principles of data and packet based networks. He/she must possess strong organizational skills, be action oriented, results driven, and work with minimal direction. Attention to detail and ability to work under pressure are critical in this role.

  • Responsible for Tier 4 problem and troubleshooting/diagnosis and resolution
  • Responsible for test planning and execution for network/field validation testing in a large telecommunications environment.
  • End to End call flow testing of VoIP services which may require coordination with other teams (Domestic and International)
  • Fulfilling the duties associated with customer cut-overs and migrations
  • 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 teams
  • Report and analyze Change Management activities across the VoIP network
  • Conflict identification, exception approvals, freeze administration and emergency requests for all changes hitting the VoIP network.
  • Track and report on Outage Remediation action items until completion
  • Provide on-call support for after hour emergencies and exceptions

Job Requirements

  • 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 VoIP and/or Mobility network element platforms: Cisco (Routers, Switches, WLAN infrastructure), VoIP Gateways, Sonus Gateways and Soft switches, ACME SIP proxy, BroadSoft Application Servers, Avaya PBX, Edgemarc, 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
  • AT&T experience preferred
  • BA Degree


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