Modem Test Engineer with Security Clearance

Job Summary: Modem Test Engineer Location: Mountain View, CA 94043, United States Job Type: Full-Time About the Role Join our dynamic team at L&T Technology Services as a Modem Test Engineer, where your expertise in carrier acceptance testing will drive cutting-edge advancements in 4G and 5G modem technology. This is an immediate opportunity for experienced professionals eager to play a pivotal role in ensuring device performance and compliance with leading US carriers. Thrive in a collaborative, inclusive environment that values your technical skills and fosters career growth.

Responsibilities - Execute comprehensive modem carrier acceptance testing for top carriers including T-Mobile, AT&T, and Verizon - Conduct independent debugging, scope testing, and in-depth failure analysis to resolve UE/TE setup issues - Operate advanced R&S and Keysight 4G and 5G test platforms for operator CAT - Mentor and assist junior engineers to ensure accurate and efficient testing procedures - Maintain strict adherence to carrier protocol test procedures, requirements, and certification timelines - Analyze LTE and 5G NR (SA and NSA) architectures, features, call flows, and protocols for robust test coverage - Adapt to a 24x7 rotating shift schedule, including mornings, evenings, and nights

Required Skills and Experience - Minimum 5 years' hands-on experience in modem carrier acceptance testing for major US carriers - Proficiency with R&S and Keysight test equipment for 4G/5G - Strong troubleshooting abilities in debugging and scope testing environments - Deep understanding of LTE and 5G NR architectures and relevant protocols - Demonstrated leadership in guiding junior team members - Commitment to flexible shift work, including nights and weekends - Immediate availability to join

Preferred Skills - Advanced knowledge of operator certification processes - Previous experience supporting large-scale device launches - Familiarity with fast-paced, cross-functional engineering teams Benefits - Competitive salary and comprehensive benefits package - Inclusive, equal-opportunity work environment with a focus on diversity and professional growth - Opportunities for ongoing training, mentorship, and career advancement - Modern facility located in the heart of Mountain View, CA How to Apply Ready to accelerate your career in wireless technology? Submit your application today and join a team committed to innovation and excellence. If you require accommodations for the application process, please reach out; we are committed to supporting all qualified candidates. (JSON format)