VoIP Engineer

VoIP Engineer

Aircall is a leading AI‑powered customer communications platform that connects teams with voice, SMS, WhatsApp, and AI. We’re expanding globally and looking for a VoIP engineer to ensure our voice services remain stable, high‑performance, and scalable.

Responsibilities

• Own the Voice Stack: Design, implement and maintain the SIP/RTP/WebRTC infrastructure that powers our global voice platform.
• Cloud SBC Management: Configure, deploy and operate our Cloud Session Border Controllers (SBCs) with deep expertise in Ribbon to manage carrier interconnects, security policies and numbering plan logic.
• DevOps and Cloud Infrastructure: Implement Infrastructure-as-Code using Terraform or CloudFormation to manage voice infrastructure on AWS and integrate voice services into CI/CD pipelines.
• Monitoring & Reliability: Set up and maintain advanced monitoring, alerting and logging systems such as Datadog and Hepic to proactively identify and resolve high‑severity incidents related to connectivity and audio media quality.
• Cross‑Functional Collaboration: Work closely with Infrastructure, Carrier Relations and Product teams to introduce new features, improve call routing logic and troubleshoot complex end‑to‑end communication issues.
• Automation: Introduce automation for recurring operational tasks, network provisioning and reporting.

Qualifications

• Proven experience as a VoIP/Telecommunications Engineer in a high‑volume, cloud‑based environment.
• Expert‑level knowledge of SIP, RTP and associated protocols.
• Deep, hands‑on experience deploying and managing Cloud SBCs, specifically Ribbon, and strong practical experience with AWS cloud infrastructure (EC2, VPC, Lambda, SQS, CloudWatch).
• Solid networking fundamentals (TCP/IP, UDP, BGP, firewalls).

Nice‑to‑haves

• AI‑driven software development skills in scripting and backend development using languages such as TypeScript, Node.js, Python or Go.
• Familiarity with containerization technologies (Docker, Kubernetes).
• Experience working with large‑scale data analysis related to voice quality and call detail records (CDRs).

Benefits

• Competitive salary package and benefits.
• Fast‑learning environment, entrepreneurial spirit and strong team culture.
• Work‑life balance and a diverse, multicultural workforce with over 45 nationalities.
• Opportunity to join Aircall during a key growth period with significant career advancement.

EEO Statement

At Aircall, we believe diversity, equity and inclusion – irrespective of origins, identity, background and orientations – are core to our journey. We pride ourselves on promoting active inclusion within our business to foster a sense of belonging for all. We’re committed to ensuring that everyone not only has a seat at the table but is valued and respected at it by providing equal opportunities to develop and thrive. We are strongly committed to hiring a diverse and multicultural team and we encourage applications from traditionally underrepresented backgrounds.