Senior VOIP Engineer

We are looking for an innovative software engineer to take software-defined infrastructure to the next level.  In addition to turning up new web-based portals, this Software Engineer will develop cloud-based software solutions to automate and manage a broad range of virtual infrastructure technologies such as virtual networks, Active Directory, VMs, firewalls, telephony, and RDP/VDI.


  • Design and implement custom collaboration solutions  
  • Deploy, configure and test customer solutions end to end  
  • Document test results and provides configuration guides  
  • Analyze and troubleshoot internal and external VOIP issues  
  • Develop test plans & test solutions  
  • Develop configuration and maintenance procedures  
  • Deploy and support automation tools  
  • Regression test automation platform  
  • Troubleshoot and document deployment/greenfield issues  
  • Collaborate with cross-functional teams  
  • Support lab infrastructure including upgrades and patching  
  • Provide subject matter expertise as required  
  • Research new technologies, solutions  
  • Provide feedback on continuous improvement
  • Test, evaluate and recommend technology solutions and/or vendors

Skills And Qualifications:

  • Enterprise voice and Data Center expertise working with collaboration platforms & solutions.
  • Proven track record working with leading unified collaboration systems like Cisco, Microsoft, Avaya, Mitel  
  • Hands-on experience with Session Border Controllers and Voice Gateways  
  • Expertise using collaboration gateways like Cisco Expressway  
  • Expert-level knowledge of VOIP protocols such as SIP, RTP/SRTP including TLS  
  • Very good knowledge of protocol and packet analysis  
  • Experience working with switching and routing protocols  
  • Experienced in virtualization platforms VMWare and Hyper-V  
  • Strong understanding of NAT traversal for VOIP  Strong understanding of H.323, MGCP & ISDN  
  • Connectivity using copper/fiber, ISDN, T1, wireless  
  • Background in cloud-based communication solutions like Office 365
  • Experience working with AD, LDAP, DNS, DHCP a plus  
  • Experience working with Linux and Windows server operating systems  
  • Knowledge of third party/open source SIP stacks  
  • Implement QoS in VOIP networks  
  • Interpret RFCs as they relate to issues  
  • Effective communication and strong analytical skills  
  • Multi-task in a fast-paced environment 

Professional or Expert Level Certifications required in any of the following:  
  • Cisco (Cloud, Collaboration, Data Center, Routing & Switching, Security, AWS)  
  • Microsoft (Servers. Cloud, SFB)  
  • Other Vendors

Required Work Experience:  

  • 2+ years of telecommunications (VOIP)  
  • 8+ years of experience in software testing  
  • Experience in technical leadership  Bachelor’s degree in Engineering, Computer Science or equivalent 

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