RAN Wireless Software Architect - 5G & Open RAN

Keysight Technologies; Kista; On-site; SEK 900,000 - 1,100,000; Full time

Job summary

Keysight Technologies SAles Spain SL. is seeking an exceptional RAN-focused wireless software engineer with deep 3GPP expertise to architect and advance test, emulation, and validation solutions across the wireless ecosystem.

You will translate specifications into robust software capabilities, work closely with cross-functional teams, and influence Open RAN interfaces while delivering high-quality conformance, interoperability, and performance validation.

Qualifications

• Strong 3GPP LTE/NR expertise with RAN focus and signaling flows.
• Proven software engineering excellence with impact and scope.
• Proficiency in C/C++ and/or Python for automation and tooling.
• Experience debugging distributed, real-time systems using logs, traces, and analyzers.
• Excellent technical English communication for cross-functional teams.

Responsibilities

• Architect and deliver software capabilities aligned to 3GPP LTE/NR and RRC/PDCP/RLC/MAC interactions.
• Transform 3GPP releases and O-RAN priorities into robust designs and test workflows.
• Develop automation tooling for protocol conformance, interoperability, and performance validation.
• Collaborate with systems, RF, product and partners to reproduce field issues and provide robust solutions.
• Produce design docs, test plans, and technical notes for review and reference materials.
• Shape evolution of Open RAN interfaces and multi-vendor integration.

Skills

3GPP LTE/NR

Software engineering

C/C++

Python

Linux

Debugging

English communication

Job description

Keysight Technologies SAles Spain SL. is seeking an exceptional RAN-focused wireless software engineer with deep 3GPP expertise to architect and advance test, emulation, and validation solutions across the wireless ecosystem.

You will translate specifications into robust software capabilities, work closely with cross-functional teams, and influence Open RAN interfaces while delivering high-quality conformance, interoperability, and performance validation.