Senior VoIP Engineer – relocation to Spain or Germany

Barcelona
Engineering – Infrastructure /
Full-time /
Hybrid
Join our 10+ member infrastructure team to manage our global VoIP network, supporting enterprise customers in 60+ countries. You'll help design, deploy, and maintain our VoIP infrastructure for top-tier voice quality and availability, focusing on scalability, redundancy, automation, and monitoring.

Main Mission
- Design and build a high-performance, automated voice network
- Manage SIP interconnections with global operators
- Monitor and troubleshoot voice reachability and quality
- Develop tools for task automation and team interfaces

Requirements
- Expertise in VoIP and a passion for technology.
- Proficiency in VoIP protocols (SIP, (S)RTP, WebRTC).
- Skills in scripting (Shell, Python, Golang), automation (Ansible), and monitoring (netdata, Prometheus, Grafana).
- Experience with Open Source Software: Kamailio, Freeswitch, Oracle SBC, openSIPS, Asterisk.
- Fluent in English, strong interpersonal skills, data-driven.

Benefits
- Multicultural environment in 8 countries: France, Germany, Spain, USA, UAE, Brazil, UK, and Italy.
- Fast-paced, high-load cloud sector.
- Opportunities for growth and learning.
- Great work atmosphere and regular team building events.

Recruitment Process
1. Technical test.
2. Call with Talent Acquisition Manager.
3. Tech interview with VoIP team.
4. Interview with CTO.
5. Call with COO and Ops Team.

About the company
Diabolocom enables organizations worldwide to build brand loyalty and drive sales growth. Our innovative cloud-based solution leverages its proprietary AI technologies to optimize contact centers of medium to large sizes, enabling efficient management of customer interactions across all communication channels.
As a telecom operator, we ensure premium voice quality, efficient handling of high call volumes, and provide phone numbers worldwide.
Our comprehensive range of AI services, specifically designed for customer relations, elevates data quality and automates tasks. These services, fully integrated into our cloud contact center solutions, are also accessible through APIs in multiple languages.
We empower Customer Service and Sales teams to effectively handle all inbound and outbound interactions thanks to our state-of-the-art dialer. Our solution seamlessly integrates with leading CRMs and offers real-time monitoring and analytics capabilities.
Diabolocom, with offices across Europe, the USA, Brazil, and the UAE, proudly serves 350+ clients, with agents operating from 60+ countries.



At Diabolocom, diversity and inclusion are in our DNA. All qualified applicants will receive equal consideration for employment without regard to color, language, religion, sex, sexual orientation, gender identity, national or social origin, opinion disability, age.