Skip to main content

Cellular Device Testing

Los Angeles, CA
Permanent

Posted

About Us:
At *** (
*** | Connected World, Connected Experiences
), we live the philosophy of connected world and connected experiences. We thrive on change that is powered by the intelligent symphony of technology and humans designing meaningful and sustainable experiences. Consumer experiences are driving and disrupting industries like never before. Businesses must build seamless yet simple enterprises that collaborate, synergize, and drive the change. Change that connects us all and empowers us to deliver experiences that span across the digital, the physical, the convergent, and everything in between. Thats when truly connected experiences manifest.
Extraordinary is when experiences come together a continuous convergence of digital technologies, touchpoints, and most importantly people. Its time to reimagine, reinvent, and revolutionize business models
operations as well as to transform enterprises into living, breathing, and connected businesses. We are the Digital Change makers who strive to change the way the world, communities, businesses, and humans interact digitally. We are harnessing the power of change, brought in by technologies, that makes it the most exciting time to be alive in human history. Our universe, as we build it, disrupt it, and redesign it, is powering the digital change.
*** represents the connected world, offering innovative and customer-centric information technology experiences, enabling Enterprises, Associates, and the Society to Rise. It has 150,000+ professionals working for 1000+ Global Customers (including Fortune 500 companies) in 90 Countries. Were part of the esteemed Mahindra group, headquartered in India. Under a new CEO, *** is committed to a transformative journey with 'Scale @ Speed' as our guiding principle.
Job Title: Cellular Device Testing (5G SME)
Location: Remond, WA
Onsite/ Hybrid/ Remote: Onsite
Job Description:
Job Summary
We are seeking a Cellular Subject Matter Expert (SME) to support OEM side 5G device validation across 5G NR (NSA
SA) device development. This role requires deep hands on expertise in cellular technologies, strong understanding of 5G protocol behavior, and the ability to independently drive device quality, issue analysis, and carrier readiness from an OEM perspective.
Core Responsibilities
5G Cellular Expertise
Act as cellular SME for 5G device behavior across NSA and SA architectures.
Validate 5G NR protocol stack behavior across:
PHY, MAC, RLC, PDCP, RRC, NAS layers
Provide expert analysis for 5G feature behavior, including:
EN DC / NR DC
LTENR and NRNR mobility
Carrier Aggregation
Beam management and reselection
EPS fallback and VoNR readiness
Review device behavior against 3GPP and carrier specific requirements.
Execute hands on functional, regression, and interoperability testing on OEM devices.
Validate device performance on 5G, LTE, and IMS dependent features (VoLTE, VoNR readiness, data sessions).
Support engineering builds, pre production builds, and release candidates from a cellular perspective.
Analyze device capability matrices and ensure test coverage completeness.
Perform and analyze 5G performance testing, including:
Throughput (DL/UL)
Latency
Stability during prolonged sessions
Compare performance against reference devices and KPIs.
Perform deep log and trace analysis (modem, protocol, network).
Isolate issues across device software, modem firmware, and RF interactions.
Work directly with chipset vendors to debug issues and validate fixes.
Re test fixes and ensure no regression across releases.
Execute and review 5G focused regression suites.
Support test automation efforts by validating scenarios, results, and coverage.
Provide SME input to improve test strategies and cellular coverage.
Required Skills
Expertise
Strong hands on experience with 5G NR device testing (NSA
SA).
Solid understanding of LTE, IMS, VoLTE, EPS fallback, and 5G call/data flows.
Ability to interpret protocol logs, call flows, and KPIs.
Experience working with Windows based devices from a cellular perspective.
Experience with lab and field test environments.
Strong troubleshooting skills using logs, traces, and performance metrics.
Experience of working with Qualcomm and MediaTek chipsets.
Education
Experience
Bachelors or Masters degree in Telecommunications, Electronics, or Computer Science.
Proven experience in cellular device testing, with strong emphasis on 5G.
Prior work on OEM programs or chipset driven device validation is highly preferred.
Soft Skills
Strong analytical mindset with attention to detail.
Ability to work independently as a technical expert.
Clear technical communication with internal teams and external partners.
Quality driven, execution focused approach.
Nice to Have
Basic automation scripting exposure (Python / Shell).
Experience of testing Wi-Fi and Bluetooth scenarios
*** is an Equal Employment Opportunity employer. We promote and support a diverse workforce at all levels of the company. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, age, national origin, or disability. All applicants will be evaluated solely based on their ability, competence, and performance of the essential functions of their positions with or without reasonable accommodations. Reasonable accommodations also are available in the hiring process for applicants with disabilities.
Candidates can request a reasonable accommodation by contacting the company ADA Coordinator at
***
.

Job Type: Permanent

Job ID: 254677475