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 backend 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
Job Information
Job Reference: DBSIP
Salary: £280 - £290 per day + Inside IR35 /Hybrid 3 office days PW
Salary per: day
Job Duration: 1 year Rolling
Job Start Date: ASAP
Job Industries: Telecoms
Job Locations: East Sussex
Job Types: Contract
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