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

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