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.

"When responding to this opportunity, I confirm that the data I submit constitutes personal data and that I have been informed, through the Privacy Policy, about how it is processed and about my rights. GBT Solutions does not request special categories of data; should I include them, I do so on my own initiative and expressly consent to their processing, and I may omit them.

GBT Solutions may retain my profile and present it to client companies in the context of suitable opportunities, based on its legitimate interest, and I may object at any time via [email protected]."

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