About this role

Salary: CHF 80’000 - 110’000 per year

Requirements:

University degree or equivalent in the field of telecommunications, communication systems or comparable with a very good understanding of Mobile Networks and protocols
Experience in operating STP, DRA, PGW and HSS, as well as VAS platforms, including configuration, troubleshooting and performance optimization
Deep knowledge of Mobile Network related protocols and technologies, including SS7/SIGTRAN, Diameter, GTP and DNS, as well as signalling routing and roaming
Proficient in Wireshark/tcpdump and other industry-standard tracing/monitoring tools
At least 5 years of professional experience in operating mobile networks or IPX
Knowledge of the 5G SA mobile network standards is a plus
Ability to script in Python, Linux shell and SQL, with knowledge of Linux system is a plus
Dynamic, communicative and customer focused, with a commitment to delivering high-quality, reliable service
Fluent in English, both written and spoken. Extra languages are a plus
Willingness to work in Bern, Switzerland
Position open to Swiss and EU nationals, and holders of a valid Swiss work permit

Responsibilities:

Operate, maintain and develop the IPX signalling services and systems of Comfone
Implement and manage signalling links, including planning, routing, testing, documentation, and providing technical support to Comfone customers and peers
Enhance Comfone's IPX signalling network ensuring reliable performance and scalability
Proactively monitor the IPX signalling network and manage its capacity to ensure optimal performance and prevent issues before they impact service
Troubleshoot services and resolve technical incidents worldwide to minimize downtime and restore services efficiently
Provide 2nd-level on-call duty support to internal and external parties

Technologies:

Support
Linux
Mobile
Network
Python
ROS
SQL

More:

We are strengthening our IPX Engineering Team in Bern and are looking for a motivated and dedicated engineer to provide exceptional customer support in the area of IPX services. As a technically oriented professional, you are eager to further develop your expertise in IPX technologies and adept at handling daily challenges. You will work alongside industry-leading experts and have the opportunity to contribute to the continued success of Comfone.

We offer a variety of challenges within a growth-oriented market, and the possibility to shape the future of our dynamic and highly successful company. This includes a friendly work environment with theme evenings, Apéros, raclette evenings and more, a multi-cultural team with English as the corporate language, yearly international events with our clients, competitive salary, flexible and partially remote work time, a brand new office with state-of-the-art equipment, SBB half-fare abonnement, mobile phone subscription and subsidy for handset purchase, special prices at restaurants close to HQ in Bern, onboarding with consequent training and introduction to all departments, support for advanced education, and various company events.

Apply online if this sounds like your next challenge. We look forward to receiving your complete online application.

last updated 38 week of 2025