L3 5G Wireless Protocol Engineer (RRC)

Anite; Málaga; On-site; EUR 45,000 - 75,000; Full time

Job summary

Keysight in Málaga is seeking a Wireless Protocol Software Engineer with strong 3GPP protocol expertise, focused on Layer 3 (RRC) to advance 5G and pre-6G developments. You will translate evolving specifications into scalable software components and own L3 stacks within a multi-site, international environment.

The role requires C/C++ proficiency, multi-threading and real-time programming, plus collaboration with systems, RF, product and customers to reproduce field issues and validate fixes.

Qualifications

• Strong expertise in 3GPP LTE/NR and L3 protocols (RRC).
• Experience with C/C++ and real-time / multi-threaded software.
• Background in multi-site / international environments and English communication.

Responsibilities

• Design, develop, integrate, and optimize the L3 protocol stack (RRC).
• Support UE emulation and contribute to 5G standards.
• Translate requirements into designs, test workflows, and reusable components.
• Collaborate with cross-functional teams to reproduce field issues and validate fixes.

Skills

3GPP LTE

3GPP NR

C/C++

Multithreading

Real-time programming

Software debugging

English communication

Tools

Git

Valgrind/Polaris

JIRA

Wireshark

Job description

Keysight in Málaga is seeking a Wireless Protocol Software Engineer with strong 3GPP protocol expertise, focused on Layer 3 (RRC) to advance 5G and pre-6G developments. You will translate evolving specifications into scalable software components and own L3 stacks within a multi-site, international environment.

The role requires C/C++ proficiency, multi-threading and real-time programming, plus collaboration with systems, RF, product and customers to reproduce field issues and validate fixes.