Modem Test Engineer
Listed on 2026-03-04
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Engineering
Systems Engineer, Wireless / 5G
HCLTech is looking for a highly talented and self- motivated Modem Test Engineer to join it in advancing the technological world through innovation and creativity.
Job
Position Type: Full-time
Location: Mountain View, CA and onsite.
Role/Responsibilities8+ years of hands on testing experience in 5G/4G/3G Cellular modem chipset or device (UE) Protocol conformance, performance, and interoperability.
Strong understanding of 3
GPP and Carrier specifications for LTE and .
Experience with Non-Terrestrial Networks (NTN) integration and testing is highly desirable.
Execute test plans targeting 5G LTE Layer 2/Layer 3 protocol features (RLC, PDCP, MAC, RRC, NAS).
Expertise in 3
GPP/IMS Protocol call flows to analyze logs and troubleshoot issues in UE/network protocol interactions.
Ability to isolate complex issues across multiple protocol layers and identify root causes using trace analysis tools
Collaborate with cross-functional teams to lead and drive testing activities.
Hands-on experience with test equipment’s for GCF, PTCRB, Carrier certification (e.g., Keysight, Rohde & Schwarz).
Pay and BenefitsPay Range Minimum: $97000/Annum
Pay Range Maximum: $147,000/Annum
HCLTech is an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to for investigation.
Compensation and Benefits
A candidate’s pay within the range will depend on their work location, skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program;
401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.
At HCLTech, we offer continuous opportunities for you to find your spark and grow with us. We want you to be happy and satisfied with your role and to really learn what type of work sparks your brilliance the best. Throughout your time with us, we offer transparent communication with senior-level employees, learning and career development programs at every level, and opportunities to experiment in different roles or even pivot industries.
We believe that you should be in control of your career with unlimited opportunities to find the role that fits you best.
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