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
- Python
- Ansible

Equal Opportunity: GBT Solutions is an equal opportunity employer and values diversity.

We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any other factor other than merit.

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📌 Telecommunications OSS Engineer (Vitoria-Gasteiz)
🏢 GBT Solutions
📍 Vitoria-Gasteiz