VoIP Engineer (m/w/d)

Transparency regarding salary:

This position is aimed at candidates with at least one year of practical professional experience in the VoIP/SIP field.

The salary range lies between 80,000 € and 100,000 € gross per year, depending on experience.

Work model: Full-time, Hybrid (2-3 days per week in the office).

Location: Elmshorn (approximately 30 minutes northwest of Hamburg city center)

Muxon is a small, globally active personnel agency and conducts this search on behalf of our partner – a growing cloud communications and SaaS company that offers innovative business telephone solutions to improve customer interaction and service quality. With around 50 employees, a cooperative culture, and strong innovation focus, the company develops next-generation VoIP- and AI-based communication platforms used by thousands of companies across Germany.

Tasks

• Development, operation, and debugging of the SIP/VoIP platform
• Analysis and optimization of complex call flows to ensure quality and scalability
• Monitoring and maintenance of telecommunication core systems (SBCs, trunks, telephone platforms)
• Error detection in performance-, quality-, and stability-related problems
• Support for incident management, escalations, and root cause analyses

Qualification

• Fundamental practical knowledge of SIP, RTP, and VoIP architectures

• Experience with trunking (SIP trunks), session border controllers (SBCs), and telecommunications/telephone platforms

• Outstanding analytical skills and troubleshooting competence for complex systems

• Reliability and dependability in critical incident situations

• German language skills at C1 level or higher, as well as fluent English

• At least 1 year of relevant experience with VoIP/SIP

Benefits

• Hybrid work model (approximately 50% home office)

• 30 vacation days and flexible working hours

• Professional development budget for courses, conferences, and training

• Team events and a collaborative, low-bureaucratic company culture

• Additional benefits such as company car leasing, occupational pension plan, and shopping vouchers

If you bring a passion for VoIP technologies and would like to shape a modern communication platform with real responsibility and influence, we look forward to your application.

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