Sistemista applicativo - Linux
Core
Second-level application system administrator supporting critical telecom applications in a European engineering consultancy.
Role type
Senior IC application system administrator (Linux)
Builds
Stable operation of critical GSM/UMTS/LTE telecom applications and infrastructure
Domain
Telecommunications / Mobile Networks
Required skills
Linux administration, mobile network protocols (GSM, UMTS, LTE, SS7, MAP, Diameter, SMPP), Wireshark, log analysis, performance tuning, incident management (L2/L3), escalation procedures
Preferred skills
ITIL Foundation, product-specific technical certifications
Technologies
Linux, Windows, Wireshark, GSM, UMTS, LTE, SS7, MAP, Diameter, SMPP, HTTP/REST
Responsibilities
Manage and resolve L2/L3 incidents on critical applications, analyze application logs and perform advanced troubleshooting, proactively monitor systems and manage anomalies, perform performance tuning and application optimization, escalate to infrastructure and development teams, provide on-call support (24/7 shifts)
Seniority
Senior, hands-on IC