Qualcomm

Modem System Test Engineer - 6G/5G Air Interface

Qualcomm$89K — $133K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or related field.
  • Strong understanding of digital/wireless communication systems and signal processing.
  • Familiarity with 5G NR protocols: PHY, MAC, RLC, PDCP, and RRC.
  • Knowledge of OFDMA, LTE, and Wi-Fi.
  • Experience with test equipment for wireless product verification.
  • Programming skills in Python and MATLAB.
  • Exposure to AI/ML concepts in digital communications is a plus.

Responsibilities

  • Validate system functionality and performance across the cellular protocol stack.
  • Define key performance indicators and optimize system performance based on data from testing.
  • Develop and execute test strategies and methodologies for modem features.
  • Translate 3GPP specifications into validation scenarios.
  • Perform log analysis and debugging of modem issues in lab and field environments.
  • Support feature integration, certification, and commercialization of wireless products.

Benefits

  • Competitive annual discretionary bonus program.
  • Opportunity for annual RSU grants.
  • Comprehensive benefits package supporting work-life balance.
  • Resources and support for professional development.
  • Collaborative and innovative work culture.
Full Job Description
Job Area:
Engineering Group, Engineering Group > Cellular System Test Engineering

General Summary:

We are seeking a motivated engineer to join the Modem System Test (MST) team in San Diego. In this role, you will contribute to building next-generation wireless technologies including 5G NR and emerging 6G systems, with opportunities to apply AI/ML techniques to end products and engineering workflows. You will work closely with cross-functional teams, including software development, system design, hardware design, and RF design, to integrate, test, characterize, certify, and commercialize 6G/5G modem products for global markets.

You will directly impact the quality, performance, and commercialization of global modem products, enabling cutting-edge wireless experiences across mobile devices and networks. The ideal candidate is curious about emerging technologies, eager to learn, and comfortable working in a collaborative technical environment. Strong communication and interpersonal skills are essential, along with a proactive, hands-on approach to testing and lab-based work.

Key Responsibilities:

You will support verification and performance evaluation for complex digital modem products across 6G and 5G cellular technologies. Core responsibilities include:
  • Validate end-to-end system functionality and performance across the cellular protocol stack (PHY, MAC/RLC/PDCP, RRC, NAS, TCP/IP).
  • Define modem key performance indicators and evaluate system performance, optimizing based on data from conducted, radiated, and live 6G/5G network testing.
  • Develop and execute system-level test strategies, methodologies, and test plans for modem features and use cases.
  • Analyze 3GPP specifications and carrier requirements, translating them into robust validation scenarios and test coverage.
  • Perform log analysis, debugging, and root cause investigation of modem issues across lab and field environments.
  • Support feature integration, certification, and commercialization of global wireless products.


Minimum Qualifications:

Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field.

Preferred Qualifications:
  • Strong understanding of digital and wireless communication systems, signal processing, and RF propagation.
  • Strong understanding of physical layer procedures such as signal detection, channel estimation, link adaptation, mmWave beam refinement, and massive MIMO.
  • Knowledge of 5G NR PHY, MAC, RLC, PDCP, and RRC protocols.
  • Knowledge of OFDMA, Wi-Fi, and LTE.
  • Knowledge of air interface performance analysis, characterization, and optimization.
  • Experience with test equipment such as protocol simulator call boxes and channel emulators for wireless product verification.
  • Exposure to 5G infrastructure vendor-specific 5G NR call flows, including Ericsson, Nokia, Huawei, ZTE, and Samsung.
  • Programming skills in Python and MATLAB.
  • Knowledge of AI/ML concepts and their application to digital communications is a plus.


Pay range and Other Compensation & Benefits:
$89,000.00 - $133,600.00

The above pay scale reflects the broad, minimum to maximum, pay scale for this job code for the location for which it has been posted. Even more importantly, please note that salary is only one component of total compensation at Qualcomm. We also offer a competitive annual discretionary bonus program and opportunity for annual RSU grants (employees on sales-incentive plans are not eligible for our annual bonus). In addition, our highly competitive benefits package is designed to support your success at work, at home, and at play. Your recruiter will be happy to discuss all that Qualcomm has to offer - and you can review more details about our US benefits at this link.

If you would like more information about this role, please contact Qualcomm Careers.

About Qualcomm

Qualcomm Ventures is the investment arm of Qualcomm Incorporated. Founded in 2000, Qualcomm Ventures is a corporate venture capital fund with over 150 active portfolio companies and more than 20 exits over a billion dollars, including 99 Taxis, Cruise Automation, Fitbit, Invensense, NQ Mobile, Waze, and more. As a global investor, Qualcomm Ventures helps connect entrepreneurs to the resources, relationships, and deep industry expertise they need to succeed in the mobile technology ecosystem.

Qualcomm Careers

Joining Qualcomm offers more than just a job opportunity; it's a gateway to a career infused with innovation, leadership, and growth. As a pivotal leader in the world of wireless technology, Qualcomm stands at the forefront of digital communication advancements. Our team of professionals is dedicated to pushing the boundaries of what's possible, making this an ideal time to become part of our global community.

Work You’ll Do

At Qualcomm, you will collaborate with some of the brightest minds in the industry, engaging in work that transforms the way the world connects, computes, and communicates. Our diverse team is driven by a shared passion for creating path-breaking wireless technologies that empower mobile ecosystems worldwide.

Innovate and Grow

Embrace the opportunity to innovate alongside leaders in the field and contribute to projects that have a global impact. Qualcomm is committed to fostering a culture of innovation and continuous improvement, ensuring that every team member has the opportunity to make a significant impact.

Professional Growth and Development

Qualcomm is dedicated to the professional growth of its employees, offering unparalleled benefits, diverse career paths, and extensive training programs that encourage professional and personal development. Whether you're looking for leadership roles or specialized technical positions, Qualcomm provides the resources and support to help you drive your career forward.

Diversity and Inclusion

We believe that a diverse workforce fuels our innovation and reflects our commitment to making a positive impact. Qualcomm’s inclusive culture and diversity training programs are designed to promote an environment where all employees can thrive.

Internship Programs

Start your career with Qualcomm through our dynamic internship programs. These opportunities allow you to apply your skills in real-world scenarios, providing a robust foundation for future employment. Internships at Qualcomm are characterized by meaningful projects and the chance to network with industry leaders.

Join Our Team

Explore the numerous job opportunities at Qualcomm, from engineering to marketing, and discover how your skills and interests align with our mission. We are continuously hiring creative and driven individuals who are ready to contribute to our culture of innovation.

Prepare for Your Interview

Ready to join our team? Prepare your resume to highlight your relevant experience and skills. Our interview process is designed to understand your capabilities and how they align with our goals at Qualcomm. We look for passionate, curious, and innovative team players who are ready to take the next step in their careers.

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Keep up to date with the latest at Qualcomm by following our careers blog. Gain insider perspectives and industry-leading insights that can help you navigate your professional journey.

Career Opportunities Await

At Qualcomm, your career is what you make of it. With support for your ambitions and a network of global professionals, the opportunities to advance and excel are nearly limitless. Join us and be part of a team that’s leading the world in next-generation technology.

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Learn more about Qualcomm
Size
45,000 employees
Market Cap
$122.5 billion
Industry
Net Income
$6.7 billion
Founded
1985
5 Year Trend
+14.7%
Revenue
$26.6 billion
NASDAQ

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