Network & Linux Support Engineer

Overview:

A leading technology and innovation company, part of one of Portugal’s major telecommunications groups. With a strong focus on research and development, it designs and delivers innovative technology solutions and products, working closely with multidisciplinary teams and national and international partners. Its mission is to develop new technologies and experiences that contribute to the evolution of the industry and drive digital transformation.

What will you do?

• Perform advanced troubleshooting of Linux-based Home Gateways (HGWs), covering fixed access networks, Wi-Fi, and IP services.
• Conduct low-level analysis in Linux environments (shell, processes, memory, networking, configurations) to identify symptoms and root causes.
• Analyse Wi-Fi issues (coverage, interference, channel utilisation, band steering, performance) based on metrics, packet captures, and diagnostic tools.
• Reproduce issues in a laboratory environment and characterise them using technical evidence such as logs, captures, and metrics.
• Develop and maintain scripts (Python, Bash, etc.) to automate testing, evidence collection, log analysis, and repetitive operational tasks.
• Document processes, technical analyses, workarounds, and recommendations, ensuring traceability and effective knowledge sharing.

What are we looking for?

• Strong knowledge of Linux (debugging, configuration, scripting, etc.) (mandatory)
• Knowledge of TCP/IP networking, related services (DHCP, DNS, etc.), and debugging tools (e.g., Wireshark).
• Knowledge of Wi-Fi technologies (2.4/5 GHz, IEEE 802.11) (preferred)
• Knowledge of fixed access network technologies such as GPON and DOCSIS (preferred)
• Scripting/programming skills (Python, Bash) (preferred)
• Knowledge of OpenWrt (preferred)

What can you expect from us?

• A permanent job contract for a long term project;
• Tech equipment + SIM Card + personal smartphone;
• Health and Life Insurance;
• Social events and team buildings;
• The commitment of letting you grow with us, and be rewarded accordingly;
• A dynamic and young team that will be always there to support you;
• Training in the latest technologies;
• Coffee, fruits, snacks and a warm welcoming when you pass by the office.