About this role

Salary: CHF 80'000 - 110'000 per year

Requirements:

Good communication skills with sensibility to an international environment
Technical education in telecommunications with knowledge of mobile networks
Experience with SS7, Diameter, GTP, DNS protocols, and roaming technology
English proficiency in both verbal and written communication; other languages are a plus
Team spirit and willingness to do on-call duty service
Communicative, responsible, and resilient individual with commitment

Responsibilities:

Support our international mobile operator customers for Comfones IPX and roaming hub services
Handle customer inquiries for troubleshooting, service performance analysis, and reporting
Test and document customer services
Monitor Comfone international networks (SS7, Diameter, GRX) and service systems (STPs, DRAs, roaming hub)
Provide on-call duty service for 24/7 emergency support

Technologies:

Support
Mobile
Network
ROS

More:

We are Comfone, a pioneer in global international roaming services based in Bern, Switzerland. With over 25 years of experience, our company enables billions of subscribers to stay connected globally. We embrace diversity, equity, and inclusion within our international team, representing over 40 nationalities and speaking more than 32 languages. Joining our Network Team offers a variety of challenges in a growth-oriented market, a friendly work environment, competitive salary, flexible working hours, and opportunities for professional development.

last updated 17 week of 2026