Senior Voice Engineer (Telco)

Senior Voice Engineer (Telco)

Job Title: Senior Voice Engineer (Telco)
Contract Type: Permanent
Location: Melbourne
Reference: 3083614
Contact Name: Simon Ginsberg
Contact Email:
Job Published: January 10, 2020 13:01

Job Description

Your prospective employer:

… is moving from ‘great’ to ‘greater’ with a strategic success formula that wins customers’ hearts and minds by combining value with convenience.  This national energy provider continues to grow its market share with the support of a highly engaged workforce that embraces new ideas with a growth mindset.  Making life simpler, easier and faster for its customers and creating a fun and rewarding working environment for its employees; the business is dominating the Australian market and due to a recent acquisition is now reaching into a new sector to round out its offering to consumers.

What’s in this for you?  
  • All technical staff are encouraged to maintain and acquire relevant technical certifications and examinations which will be funded by the business post the probation period
  • Work in a supportive, innovative workplace where input from everyone is valued
  • Exciting new venture in a very large organisation
  • Exposure to a wide range of technologies and have access to new technologies as they emerge 
What’s involved:

The ideal candidate is an experienced Voice and SIP generalist, with a background working with a carrier and/or Managed Services Provider. Must have demonstrated experience troubleshooting and resolving complex technical issues to a critical timeline.

Core responsibilities for this role include:
  • Virtualisation, system, and infrastructure design and architecture nationally
  • Vendor and growth management
  • Ensuring 99.999% system, platform, and application uptime and quality
  • Acting as the point of contact for core system infrastructure related issues
  • Managing escalated system infrastructure related tickets from the service desk
  • Reducing system infrastructure related incidents via strong problem management capabilities (i.e. root cause analysis, trends analysis etc.)
  • Assist the Service Desk in general IT support for clients
Please note: this role will require out of hours on-call support and experience managing P1 and P2 incidents. 

Key Selection Criteria:
  • Strong experience with the SIP VoIP protocol, including full call signaling codes and processes debugging
  • Expert use and management of Class 4 and Class 5 voice switches
  • Expert understanding of SIP mean opinion score optimisation and grading
  • Expert understanding of Quality of Service in a SIP solution including Jitter, Latency, PDV
  • Expert understanding of VoIP codecs and transcoding processes
  • Expert understanding of SIP packets, especially SDP payloads, including the ability to reconstruct a SIP call flow and follow the ladder
  • Expert understanding of SIP registration process including Options packets and timers
  • Expert understanding on toll fraud prevention techniques
  • Expert understanding of analog and legacy telephone adaptors (ATA)
  • Expert understanding of IP handsets including automated provisioning
  • Expert understanding of using Wireshark to open PCAP traces and reconstruct calls
  • Expert understanding of WebRTC standard and technology
  • Experience in Cisco Unified Call Manager version 10+ (CUCM)
  • Experience in Cisco Unified Call Manager Express on ISR (CUCM-E)
  • Experience in Cisco Survivable Remote Site Telephony (SRST)
  • Experience in Cisco Unified Contact Centre Express version 10+ (UCCX)
  • Knowledge and practical experience with SIP SRV for high availability
  • Demonstrated experience in running meshed SIP Active-Active clustering for HA and load
  • Troubleshooting voice related issues within a service provider environment
  • Experience working with mission-critical networks, platforms, and applications
  • Excellent verbal communication skills over the phone and customer service attitude.
  • Certified Cisco CCIE Collaboration v2 (highly desirable)
  • Certified VMWare Professional or demonstrated virtualisation experience
If this sounds like the opportunity that would bring out the best in you, your experience and your potential…apply now! Please email Simon Ginsberg - or join our SLACK channel here ->>> - we are ready to chat online and answer any questions you might have on the role. 

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