Wireless Systems Embedded Firmware Engineer III

Our client, a leading organization in the wireless communications industry, is seeking a Cellular Test Engineer to join their team. You will be part of the Quality and Hardware Product Engineering Group supporting cellular testing and firmware development. The ideal candidate will demonstrate strong problem-solving skills, adaptability, and a collaborative mindset, which will align successfully in the organization.

Job Title: Wireless Systems Embedded Firmware Engineer III

Location: Sunnyvale, CA 

Pay Range: $52.20/hour - $65.25/hour

What's the Job?

• Execute conformance, functional, and regression test campaigns on 5G NR (SA/NSA) and LTE devices, covering RRC/NAS signaling, mobility, carrier aggregation, and data-throughput scenarios.
• Validate radio protocol behavior against 3GPP specifications and log findings with clear reproduction steps.
• Perform RF performance measurements such as TX power, sensitivity, EVM, spurious emissions, and throughput versus signal level, comparing results against product requirements.
• Build, maintain, and extend automated test scripts and suites on Rohde & Schwarz CMX500/CMW callbox platforms, ensuring reliable automation processes.
• Set up and operate lab benches with spectrum/signal analyzers, oscilloscopes, power supplies, and RF cabling for hardware debugging and signal integrity analysis.

What's Needed?

• Hands-on experience with cellular testing across 5G NR and LTE technologies, including radio protocol validation and RF performance testing.
• Proficiency with test automation on CMX (Rohde & Schwarz CMX500/CMW callbox platforms), including scripting and regression suite management.
• Strong lab bench skills, including use of oscilloscopes and related instrumentation for hardware debugging.
• Familiarity with scripting languages such as Python for test automation and tooling development.
• Bachelor’s degree in Engineering or related technical field.

What's in it for me?

• Opportunity to work on cutting-edge cellular technologies and contribute to innovative wireless solutions.
• Collaborative environment that encourages professional growth and skill development.
• Engagement with a dynamic team supporting impactful projects in wireless communications.
• Access to advanced lab equipment and automation tools to enhance your technical expertise.
• Work onsite in Sunnyvale, CA, with a dedicated team committed to excellence.

Upon completion of waiting period consultants are eligible for:

• Medical and Prescription Drug Plans
• Dental Plan
• Vision Plan
• Health Savings Account
• Health Flexible Spending Account
• Dependent Care Flexible Spending Account
• Supplemental Life Insurance
• Short Term and Long Term Disability Insurance
• Business Travel Insurance
• 401(k), Plus Match
• Weekly Pay

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis and Talent Solutions.

Experis® is a global leader in technology services and part of the ManpowerGroup® (NYSE: MAN) family of brands. We connect skilled technology professionals with meaningful opportunities where they can grow their careers, expand their expertise and make a real impact. Guided by the belief that it takes Human Ingenuity to unlock the true potential of technology, Experis helps people gain experience with leading organizations, build sought-after skills and take the next step toward a brighter future. Backed by ManpowerGroup's 75+ years of workforce expertise and global reach across more than 70 countries and territories, Experis brings the scale, insight and opportunity to help people and businesses thrive. ManpowerGroup is consistently recognized for its commitment to inclusion, ethics and responsible business, including being named one of the World's Most Ethical Companies. Learn more at Experis.com.