Voice Engineer

3 days ago

Sydney, New South Wales, Australia Launch Group Full time $120,000 - $180,000 per year

Launch Recruitment are supporting a well-established Australian organisation in the search for a Senior Infrastructure Engineer to take ownership of voice and communications systems. This is a pivotal role for a seasoned infrastructure professional with deep expertise across both traditional and modern voice technologies.

As the subject matter expert for all real-time communications platforms, you will lead the design, implementation and optimisation of business-critical systems The successful candidate will bring a strong blend of RF and IP-based communications knowledge, helping to drive reliability, scalability and innovation across the technology estate.

Key Responsibilities

  • Act as the lead engineer for all voice and communications infrastructure across in-store environments.
  • Oversee end-to-end lifecycle management of CUCM, Zebra PTT, and Motorola radio systems.
  • Develop and implement the communications technology roadmap in line with operational needs.
  • Enhance platform security through authentication, encryption (SRTP), SSO and voice-focused cyber hardening.
  • Automate operational processes and MACDs using scripting and API integration (e.g., Cisco AXL).
  • Collaborate with networking teams to ensure QoS and network optimisation for real-time communications.
  • Produce high-quality technical documentation, solution designs, and support materials.

Essential Experience

  • Minimum 5 years' experience in enterprise voice and unified communications engineering.
  • Expert-level knowledge of Cisco CUCM (v12.x+), Unity Connection, IM & Presence, and SIP.
  • Strong experience with Zebra Workforce Connect / PTT Pro or similar PTT-over-Wi-Fi tools.
  • Hands-on expertise in LMR/DMR systems (e.g., Motorola MOTOTRBO), including RF fundamentals and fleet management.
  • Deep understanding of enterprise networking principles — particularly VLANs, QoS (DSCP, CoS), and SIP/RTP/MGCP protocols.
  • Scripting experience (Python, PowerShell, Bash) with demonstrable automation of voice infrastructure tasks.
  • Experience integrating radio solutions with IoT systems is highly advantageous.

This role presents an excellent opportunity to join a forward-thinking infrastructure team, modernising communication tools to support customer-facing teams at scale. If you're an experienced engineer passionate about bridging legacy and next-gen voice platforms, please apply for immediate consideration.

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