Want to Make Waves in Tech? GBT Solutions Is the Place to Be ?

About Us: GBT Solutions is a Portuguese technology company founded in 2018, part of the HFA Group established in 1995. With a focus on delivering cutting-edge solutions across various industries, we are committed to fostering a diverse and inclusive work environment and are proud to be recognized for our commitment to excellence and innovation.

Position: Telecommunications OSS Engineer (Traffica / OSIX / Mediation Zone)
Location: Madrid, Spain

Key Responsibilities
Install, configure, maintain, and troubleshoot Traffica platforms.
Support and administer telecom monitoring and mediation systems.
Operate and troubleshoot Linux RedHat 8+ and Windows Server 2019+ environments.
Perform integrations and troubleshooting involving mediation systems and network probes.
Analyze telecom traffic flows and signaling protocols.
Support data collection, processing, and reporting platforms.
Collaborate with international support teams and product vendors.
Execute system upgrades, patching, and operational maintenance.




Participate in incident resolution and root cause analysis.
Prepare and maintain technical documentation and operational procedures.

Technical Requirements

Telecom Platforms
Minimum 5 years of relevant telecom experience.
Proven experience with Traffica (mandatory).
Knowledge of OSIX / Polystar monitoring and probe solutions.
Experience with Mediation Zone and traffic mediation systems.

Operating Systems
Linux RedHat 8+ - Installation, Configuration, Administration, Troubleshooting
Windows Server 2019+ - Installation, Configuration, Administration, Troubleshooting

Telecom & Network Knowledge
Strong understanding of mobile and fixed telecom networks.
Knowledge of NGN and IMS architectures.
Experience with telecom protocols:
SIP
Diameter
Radius
GTPv1
GTPv2

Data & Monitoring Technologies
Apache Kafka
Devo (Telefónica)
Grafana
MariaDB
MySQL

Automation & Development
Experience with one or more:
Java
Pyt

📌 Telecommunications OSS Engineer (España)
🏢 GBT Solutions
📍 España