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The phone system for modern business
Technical Support Specialist, Voice Quality – German Speaking
Location
Portugal
Posted
78 days ago
Salary
0
Seniority
Senior
Job Description
Technical Support Specialist, Voice Quality – German Speaking
Aircall
• 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 • Lead technical troubleshooting sessions with customers to investigate voice-quality and connectivity issues • Maintain strong communication throughout investigations, particularly for high-impact or sensitive cases • Work closely with Engineering and Product teams to diagnose platform-level issues • Train frontline support teams on voice-quality troubleshooting and escalation best practices
Job Requirements
- 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 (Preferred)
- Experience working with telecom carriers or telephony providers (Preferred)
- Familiarity with packet capture analysis (PCAP) or SIP trace analysis (Preferred)
- Experience with monitoring and observability tools such as Datadog (Preferred)
- Familiarity with analytics tools such as Looker (Preferred)
Benefits
- Competitive salary package & benefits
- Fast-learning environment, entrepreneurial and strong team spirit
- Work-life balance is important at Aircall
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