We live in a connected world where reliable connectivity is essential. At Comfone, we provide easy and borderless communication to all people and things.
As a pioneer in global international roaming services, we're proud of our contributions in defining the standards and shaping this industry. Over 25 years, our roaming services have helped billions of subscribers stay connected when it really matters.
Our team consists of more than 40 different nationalities, speaking over 32 languages and driven by values of diversity, equity, and inclusion into our daily operations.
IPX Engineer Signalling Job Description
We are strengthening our IPX Engineering Team in Bern and looking for a motivated and dedicated engineer to provide exceptional customer support in the area of IPX services.
You will work alongside industry-leading experts and have the opportunity to contribute to the continued success of Comfone.
Main Responsibilities:
* Operate, maintain, and develop IPX signalling services and systems.
* Implement and manage signalling links, including planning, routing, testing, documentation, and providing technical support to 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.
Your Ideal Profile:
* University degree or equivalent in telecommunications, communication systems, or comparable field with a 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 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.
* A willingness to work in Bern, Switzerland.
What We Offer:
* A friendly work environment with theme evenings, Apéros, raclette evenings, and more.
* A multi-cultural and multi-linguistic team with English as the corporate language.
* Yearly international events with clients from all over the world (ConneXion).
* Competitive salary.
* Flexible and partially remote work time.
* 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.
* Company events (Summer events, Christmas Party, Team events…).