Lisbon-Based Signalling & HSS Engineer – Telecom Networks

1global; Almada; Presencial; EUR 60 000 - 90 000; Tempo integral

Resumo da oferta

1GLOBAL is seeking an experienced Signalling Engineer to design, implement, and optimize signaling in mobile core networks. You will collaborate across teams to define requirements, build documentation, and ensure end-to-end delivery of new solutions.

The role demands strong knowledge of GSM/UMTS/LTE/IMS, 3GPP/GSMA/ITU standards, and experience with DIAMETER, SIGTRAN, and signaling interconnects. Lisbon-based positions with international exposure are available.

Qualificações

• Proven experience implementing live mobile telecom solutions.
• Experience in 3GPP/GSMA/ITU standards and specs.
• Strong background in signalling networks: STPs, HLR/HSS, SIGTRAN, and DIAMETER.

Responsabilidades

• Lead design and delivery of signalling solutions for mobile core networks.
• Define and support technology roadmap for signalling systems.
• Perform live implementations and end-to-end testing in live environments.
• Develop and maintain technical documentation (HLDs/LLDs).
• Analyze capacity, performance, and optimization requirements.
• Collaborate with partners to manage interconnects and MVNO/MVNE/MVNA setups.

Conhecimentos

GSM/UMTS/LTE/IMS

Signalling design

3GPP/GSMA/ITU

HLR/HSS knowledge

DIAMETER/SIGTRAN

Network protocols

IMS architecture

Ro/Gy/Gx interfaces

5G SA signalling

Wireshark/Astelia

Formação académica

Degree in Telecom Engineering or CS

Ferramentas

Wireshark

Astelia

Descrição da oferta de emprego

1GLOBAL is seeking an experienced Signalling Engineer to design, implement, and optimize signaling in mobile core networks. You will collaborate across teams to define requirements, build documentation, and ensure end-to-end delivery of new solutions.

The role demands strong knowledge of GSM/UMTS/LTE/IMS, 3GPP/GSMA/ITU standards, and experience with DIAMETER, SIGTRAN, and signaling interconnects. Lisbon-based positions with international exposure are available.