Senior Mobile Core Network Engineer — On‑Site Zug
Telecom26 AG
A complete application in a minute
Tailored resume and cover letter, ready to send.
Job summary
Telecom26 AG in Zug, Switzerland seeks an experienced Mobile Core Network Engineer to own, operate, and optimize a live MNO core (HSS/HLR, DRA, IMS/VoLTE, PGW, SMS) for international roaming. The role emphasizes high availability, secure voice and data delivery, and direct impact on global connectivity.
You will monitor, troubleshoot, and remediate incidents, maintain thorough documentation, and collaborate with cross-functional teams.
Qualifications
- 4+ years of hands-on mobile core network operations experience.
- Expertise in HSS/HLR, DRA, IMS/VoLTE, PGW, and SMS core.
- Strong knowledge of SS7, Diameter, and GTP signaling.
- Experience with real-time troubleshooting and alarm monitoring.
- Willingness for 100% on-site work in Zug, Switzerland.
Responsibilities
- Operate, monitor, and troubleshoot live MNO core network.
- Administer HSS/HLR databases for auth and mobility.
- Configure Diameter Routing Agents and signaling systems for roaming.
- Support IMS/VoLTE core platforms for voice and multimedia.
- Manage PGW and GGSN for data routing.
- Ensure SMS routing and inter-operator messaging integrity.
- Perform RCA and incident remediation for roaming issues.
- Maintain network documentation and audit logs.
Skills
Education
Tools
Job description
Telecom26 AG in Zug, Switzerland seeks an experienced Mobile Core Network Engineer to own, operate, and optimize a live MNO core (HSS/HLR, DRA, IMS/VoLTE, PGW, SMS) for international roaming. The role emphasizes high availability, secure voice and data delivery, and direct impact on global connectivity.
You will monitor, troubleshoot, and remediate incidents, maintain thorough documentation, and collaborate with cross-functional teams.
'/%3e%3cpath%20d='M101.744%2012.4726L102.894%2016.1947L99.0021%2013.2201L101.744%2012.4726ZM105.3%208.40937H100.488L99.0026%203.59473L97.5116%208.41047L92.7%208.40385L96.5965%2011.3834L95.1055%2016.1942L99.0021%2013.2196L101.408%2011.3834L105.3%208.40992V8.40937Z'%20fill='white'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_5593_1381'%20x1='90'%20y1='9.44471'%20x2='99'%20y2='9.44471'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%2300AD70'/%3e%3cstop%20offset='0.998594'%20stop-color='%2300B67A'/%3e%3cstop%20offset='1'%20stop-color='%23DCDCE6'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e){kind=small}
