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3Gpp 5G Protocol Stack Engineer Jobs (NOW HIRING)

Aerospacelab, Inc.

WI · On-site

Familiarity with 3GPP 5G specifications and protocol stack concepts * Programming skills in C/C++ or Rust * Eagerness to learn, strong problem-solving skills, and a collaborative mindset Nice to Have

Aerospacelab, Inc.

WI · On-site

$118K - $156K/yr

As part of Aerospacelab, you will design, implement, and deploy 5G protocol stack components ... Duties * Design, implement and validate 5G NR NTN gNB L2/L3 features in line with 3GPP ...

Quantum World Technologies Inc

5G Testing

Redmond, WA · On-site

$21.50 - $27.25/hr

Validate 5G NR protocol stack behavior across: * PHY, MAC, RLC, PDCP, RRC, NAS layers * Provide ... Review device behavior against 3GPP and carrier specific requirements. * Execute hands on ...

Nokia

5G NR UE Layer 2 and Layer 3 Developer

Plano, TX · On-site

... protocol stack software, ensuring compliance with 3GPP standards. Your expertise will contribute to ... 5G UE. * Strong programming skills in C/C++ for real-time and embedded systems. * In-depth ...

Nokia

5G NR UE Layer 2 and Layer 3 Developer

Plano, TX · On-site

$105K - $195K/yr

... protocol stack software, ensuring compliance with 3GPP standards. Your expertise will contribute to ... 5G UE. * Strong programming skills in C/C++ for real-time and embedded systems. * In-depth ...

Amazon

Embedded Software Engineer, Amazon Leo

Austin, TX · On-site

$130K - $171K/yr

... a 3GPP 5G NTN and Open RAN based networking and management stack functions for the satellite ... protocol analysis, and embedded software (bare-metal) troubleshooting techniques

SpacePalm, Inc.

5G Modem Test Engineer

Seattle, WA · On-site

Engineers will work with mobile devices testing the latest features in technology and /or ... analyze protocol stack related issues in appropriate 3GPP specifications. * Experience with ...

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3gpp 5g Protocol Stack Engineer information

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$44.5K

$134.8K

$190.5K

How much do 3gpp 5g protocol stack engineer jobs pay per year?

As of Sep 10, 2026, the average yearly pay for 3gpp 5g protocol stack engineer in the United States is $134,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $158,000.00 per year, depending on experience, location, and employer.

What does a 3GPP 5G Protocol Stack Engineer do?

A 3GPP 5G Protocol Stack Engineer is responsible for designing, implementing, and testing the software layers that enable communication in 5G wireless networks according to 3GPP standards. They work on different layers of the protocol stack, such as RRC, PDCP, RLC, MAC, and PHY, to ensure that data is transmitted efficiently and reliably. Their tasks may include developing new features, debugging protocol issues, supporting interoperability testing, and collaborating with cross-functional teams to deliver compliant and optimized 5G solutions.

What are some common challenges faced by a 3GPP 5G Protocol Stack Engineer when integrating new features into existing products?

A common challenge for 3GPP 5G Protocol Stack Engineers is ensuring seamless integration of new protocol features into complex, multi-layered software stacks while maintaining backward compatibility and performance. This often involves troubleshooting interoperability issues, optimizing resource usage, and thorough compliance testing against 3GPP standards. The role requires close collaboration with cross-functional teams, including system architects, firmware developers, and test engineers, to validate that new features function correctly across a wide range of devices and network scenarios.

What are the key skills and qualifications needed to thrive as a 3GPP 5G Protocol Stack Engineer, and why are they important?

To thrive as a 3GPP 5G Protocol Stack Engineer, you need a solid background in wireless communications, strong programming skills in C/C++, and a deep understanding of 3GPP 5G NR standards. Experience with protocol analyzers, debugging tools, and familiarity with embedded systems or RTOS is typically required, along with relevant certifications or advanced degrees in telecommunications or electrical engineering. Problem-solving ability, teamwork, and effective communication are essential soft skills for collaborating on complex projects and troubleshooting protocol issues. These skills ensure the engineer can design, implement, and optimize protocol stacks that are critical for reliable and high-performance 5G networks.

What are popular job titles related to 3Gpp 5G Protocol Stack Engineer jobs?

For 3Gpp 5G Protocol Stack Engineer jobs, the most frequently searched job titles are:

Infographic showing various 3Gpp 5G Protocol Stack Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $134,771 per year, or $64.8 per hour.

Junior Software Engineer - 5G NTN RAN (L2/L3)

WI • On-site

Aerospacelab, Inc.
See more jobs at Aerospacelab, Inc.external

Other

Posted 8 days ago

Job description

Junior Software Engineer – 5G NTN RAN (L2/L3)

Our mission is supported by an ambitious vertically integrated approach: design & manufacture of small satellites combined with development of earth observation services.

Since its creation in 2018, the company has already grown substantially. Our team gathers more than 25 engineering expertise, from hardware design to software development & data science.

In 2025, Aerospacelab counts offices in Louvain-la-Neuve (Belgium), Toulouse (France), Lausanne (Switzerland) and US West Coast with more than 350 full-time employees, with the ambition to position itself as the European leader in small satellites.

Your Mission

We are building the future of 5G connectivity in space. As part of Aerospacelab, you will design, implement, and deploy 5G protocol stack components tailored for Non-Terrestrial Networks. You will work alongside experienced engineers to help bring high-performance wireless communication over satellite links to life.

You are a curious and motivated engineer, eager to learn and grow in a fast-paced, collaborative environment. You’re excited by the challenge of working on deep-tech systems and passionate about seeing your contributions have real-world impact.

Duties
  • Design, implement and validate 5G NR NTN gNB L2/L3 features according to 3GPP specifications
  • Develop Aerospacelab-specific enhancements
  • Build performance tests, unit tests, logging, and support infrastructure to ensure software quality
  • Deploy and validate software in lab and field environments, including satellite link emulation and hardware-in-the-loop systems
Must have
  • Academic or practical experience in telecommunications, embedded systems, or software engineering
  • Familiarity with 3GPP 5G specifications and protocol stack concepts
  • Programming skills in C/C++ or Rust
  • Eagerness to learn, strong problem-solving skills, and a collaborative mindset
Nice to Have
  • Experience with DPDK for high-throughput data processing
  • Experience in embedded software development
  • Ability to analyze and troubleshoot low-level system performance bottlenecks
  • Exposure to 5G stack development
  • Interest in satellite communications and NTN systems
What we offer

Build your own career path

Direct impact on the growth of the company

Fast-paced environment

Flexible ways of working

Salary package consistent with your experience

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