Aircall1mo ago

Network engineer

PortugalRemotePermanent Full Time Employeemid

IT & AdministrationNetwork EngineerInfrastructure & Cloud

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Quick Summary

Overview

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams.

Technical Tools

IT & AdministrationNetwork EngineerInfrastructure & Cloud

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.

Our momentum comes from a simple idea: help teams work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call work, and AI Assist Pro delivers real-time guidance so people can do their best work. The result is higher revenue, faster resolutions, and teams that scale with confidence.

Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We’ve built a product customers love and a business that’s scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines.

At Aircall, you’ll join a company in motion. We’re ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth.

How we work at Aircall: We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter, you’ll feel at home here.

As a Network Engineer on the Voice Quality squad of the Technical Support team, you will investigate and resolve complex telephony and network-related issues that impact our customers’ ability to make and receive calls through Aircall.

The Voice Quality squad plays a critical role in ensuring customers can rely on Aircall for business-critical communication. Your investigations and improvements directly impact call reliability and customer trust.

This role focuses heavily on voice quality, VoIP troubleshooting, and telecom integrations, and requires collaboration across internal engineering teams and external carrier partners.

You will work closely with customers, support teams, and telecom providers to diagnose issues such as poor audio quality, call failures, reachability problems, and carrier-related routing issues.

This role primarily supports regional business hours, while collaborating with Aircall’s global support organization when additional coverage or expertise is required.

Key Responsibilities

Investigate escalated voice-quality issues such as robotic audio, jitter, packet loss, one-way audio, latency, and dropped calls

Troubleshoot call routing and telephony behavior across SIP, VoIP infrastructure, and WebRTC applications

Analyze logs, signaling data, and call traces to identify root causes of calling issues

Support troubleshooting of inbound and outbound call failures, number reachability, and caller ID issues

Lead technical troubleshooting sessions with customers to investigate voice-quality and connectivity issues

Translate complex technical findings into clear explanations for customers and internal stakeholders

Maintain strong communication throughout investigations, particularly for high-impact or sensitive cases

Work closely with Engineering and Product teams to diagnose platform-level issues

Collaborate with telecom carriers such as Twilio and Bandwidth to investigate service behavior and routing problems

Help drive resolution of systemic issues affecting multiple customers

Train frontline support teams on voice-quality troubleshooting and escalation best practices

Improve escalation processes to ensure high-quality case handoffs

Create and maintain internal troubleshooting documentation

Monitor support trends and identify recurring voice-quality issues

Recommend improvements to product features, support processes, and customer troubleshooting workflows

You speak fluent German

Experience supporting VoIP, telecom, or UCaaS platforms in a technical support or operations role

Strong understanding of VoIP and telephony concepts, including SIP signaling and call routing

Solid understanding of IP networking fundamentals (TCP/IP, NAT, VLANs, QoS, LAN/WAN)

Experience troubleshooting real-time communications issues such as poor audio quality, dropped calls, or call routing failures

Strong written and verbal communication skills in English

Ability to clearly explain complex technical issues to both technical and non-technical audiences

Strong organizational skills and the ability to manage multiple issues simultaneously in a fast-paced environment

Customer-focused mindset and strong problem-solving skills

Experience troubleshooting WebRTC-based communication platforms

Experience working with telecom carriers or telephony providers

Familiarity with packet capture analysis (PCAP) or SIP trace analysis

Experience with monitoring and observability tools such as Datadog

Familiarity with analytics tools such as Looker

Experience using Zendesk and Atlassian tools (Jira, Confluence)

Familiarity with IVR, ACD, and call-routing configurations

CCNA or similar networking certification

Listing Details

Posted: March 13, 2026
First seen: March 26, 2026
Last seen: April 24, 2026

Posting Health

Days active: 29
Repost count: 0
Trust Level: 39%
Scored at: April 24, 2026

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Aircall

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We believe in the power of conversation. We want to empower Sales & Supports teams to truly connect with customers, bring meaning to a conversation, and create long-lasting business impact.

Employees

750

Founded

2014

Domain

Jobs

External application · ~5 min on Aircall's site

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