VOIP/SIP Network Engineer

VOIP/SIP Network Engineer

Posted 2 weeks ago by Salt

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£290 Per day
Inside
Hybrid
East Sussex, UK
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Application Programming Interface (API) Back End (Software Engineering) Cisco Certified Network Associate (CCNA) Cloud Computing Cloud Technology DevOps Grafana JavaScript (Programming Language) Management Python (Programming Language) Scripting Session Initiation Protocols

Summary: The role of VOIP Network Engineer involves leveraging expertise in SIP and session border controllers to enhance enterprise telephony systems. This hybrid position merges traditional voice engineering with a DevOps approach, focusing on building and supporting telephony solutions. The engineer will collaborate with carriers and integrate telephony with monitoring platforms while troubleshooting service disruptions. Essential skills include proficiency in scripting and a strong understanding of networking technologies.

Key Responsibilities:

  • Build and support highly available telephony solutions
  • Develop scripts, tools, and APIs to improve SIP routing, call flows, and automation
  • Integrate telephony with monitoring platforms like Grafana and ThousandEyes
  • Collaborate with carriers to support SIP infrastructure and hybrid voice networks
  • Contribute to hybrid cloud telephony solutions across UCaaS and CCaaS platforms
  • Troubleshoot and analyse root causes of service disruptions, with a security-first mindset

Key Skills:

  • Strong knowledge of Session Initiation Protocol (SIP) and SBC technologies
  • Hands-on experience with SBCs, ARM/ECB, and Back End management tools
  • Proficiency in Python, JavaScript, HTML/CSS, or Java/Kotlin
  • Working knowledge of networking (Routers, Switches, Firewalls, SASE) - Network+ or CCNA a plus
  • Experience in writing detailed documentation and collaborating across technical teams
  • Self-starter with a proactive, solutions-focused approach

Salary (Rate): £290 per day

City: East Sussex

Country: UK

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

We're looking for a skilled VOIP network engineer with experience in SIP and session border controllers (SBC),to join a dynamic team driving transformation in enterprise telephony.

This is a hybrid role combining traditional voice engineering with a modern DevOps mindset.

Key Responsibilities:

  • Build and support highly available telephony solutions
  • Develop scripts, tools, and APIs to improve SIP routing, call flows, and automation
  • Integrate telephony with monitoring platforms like Grafana and ThousandEyes
  • Collaborate with carriers to support SIP infrastructure and hybrid voice networks
  • Contribute to hybrid cloud telephony solutions across UCaaS and CCaaS platforms
  • Troubleshoot and analyse root causes of service disruptions, with a security-first mindset

Essential Skills & Experience:

  • Strong knowledge of Session Initiation Protocol (SIP) and SBC technologies
  • Hands-on experience with SBCs, ARM/ECB, and Back End management tools
  • Proficiency in Python, JavaScript, HTML/CSS, or Java/Kotlin
  • Working knowledge of networking (Routers, Switches, Firewalls, SASE) - Network+ or CCNA a plus
  • Experience in writing detailed documentation and collaborating across technical teams
  • Self-starter with a proactive, solutions-focused approach

*Rates depend on experience and client requirements

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