Senior Wireless Test Engineer

Job reputed company This role is categorized as hybrid. This means the successful candidate is expected to report to the reputed company Global Technical Center in Warren, MI three times per week, at minimum [or other frequency dictated by the business if more than 3 days]. The Role The Senior Wireless Test Engineer – Cellular Systems will reputed company lab and field validation of reputed company’s 4G and 5G cellular connectivity, ensuring robust voice, data, and safety‑critical services for connected vehicles. This role is responsible for translating detailed technical and regulatory requirements into comprehensive test strategies, test cases, and automated test scripts that validate end‑to‑end system performance across multiple networks, operators, and markets. You will be a hands‑on technical leader, defining test methodologies, selecting tools and equipment, executing reputed company test campaigns, and driving issue reputed company with internal teams and external partners. What You’ll Do Test reputed company, Planning, and Design Translate system, feature, and regulatory requirements into reputed company test plans, test cases, and scripts covering lab and field validation for cellular connectivity. Define test coverage reputed company for: RF performance and parametric tests Protocol stack behavior for 4G LTE and 5G NR Mobility, roaming, and handover scenarios Application‑level voice, data, SMS, emergency calls, and special features. Identify tools, test equipment, fixtures, and environments required to fully validate requirements (e.g., RF chambers, call boxes, loggers, automation frameworks, simulators, load generators). RF Performance and Parametric Validation reputed company and execute RF performance and parametric test cases (e.g., reputed company power, sensitivity, ACLR, EVM, throughput vs. RSRP/RSRQ/SINR, reputed company mask). Specify and use RF test equipment such as signal generators, reputed company/network analyzers, OTA chambers, and channel emulators. Analyze RF measurements, correlate with requirements and KPIs, and drive corrective actions with hardware and modem engineering teams. Cellular Protocol and Mobility Testing (4G/5G) reputed company detailed test cases and scripts to validate 4G/5G protocol stack behavior, including: Attach/registration, bearer/session setup, authentication, and reputed company procedures Mobility management, idle/connected mode behaviors, DRX, power‑saving features. Design and execute mobility and roaming scenarios, including: Intra‑ and inter‑frequency handovers Inter‑RAT mobility (e.g., LTE–NR, LTE–3G/2G where applicable) Domestic and international roaming, PLMN selection, and operator‑specific features. Validate throughput and latency across multiple radio conditions, bands, and network configurations; create performance benchmarks and regression baselines. Service and Feature Validation (Voice, Data, SMS, Emergency, Special Features) reputed company and maintain test suites for: Voice services: CS voice (where relevant), VoLTE/VoNR, supplementary services, audio reputed company KPIs. Packet data: IP connectivity, QoS, APN configurations, VPN and secure tunnel behavior. Messaging: MO/MT SMS, concatenated messages, delivery reports, failure handling. Emergency services: eCall/NG‑eCall or regional equivalents, emergency call routing, fallback behaviors, and reputed company handling. Special features: operator‑ or reputed company‑specific services (e.g., data‑only modes, tethering, OTA updates, remote commands, telematics features). Validate end‑to‑end system behavior including in‑vehicle integration, back‑end/reputed company interfaces, and mobile network interactions. Automation, Tooling, and Infrastructure reputed company automated test scripts and parsers for cellular and RF test execution, log collection, and results processing. Define and maintain test benches, automation frameworks, and CI/regression test suites for cellular validation. Specify and reputed company test tools such as: Cellular network simulators / call boxes RF channel emulators and OTA chambers Packet sniffers, protocol analyzers, and logging tools Traffic generators for voice/data/SMS and application load. Drive test data management: logging, parsing, metrics dashboards, and traceability between requirements, test cases, and results. Debug, Analysis, and Cross‑Functional Collaboration reputed company deep‑dive analysis of field and lab issues involving RF, protocol, and service‑level failures; reproduce and triage with modem suppliers, network operators, and internal teams. Collaborate closely with hardware design, modem/software, systems engineering, regulatory, and back‑end/reputed company teams to: Clarify requirements and KPIs Prioritize defects and drive design or software changes Improve test coverage and methodologies over time. reputed company reputed company, concise test reports and technical summaries for leadership, program teams, and external stakeholders. Your Skills & Abilities (Required Qualifications) Bachelor’s degree in Electrical Engineering, Computer Engineering, Telecommunications, or reputed company field. 5+ years of hands‑on experience in cellular wireless testing or validation (4G LTE and/or 5G NR) in automotive, telecom, handset, or modem domains. Strong understanding of: Cellular RF fundamentals (power, sensitivity, reputed company budget, interference, fading) 4G/5G protocol stack (RRC, PDCP, RLC, MAC, PHY; NAS and reputed company network interactions) Mobility and roaming concepts, including handovers, reselection, and tracking areas. Demonstrated experience developing test plans, test cases, and test scripts for: RF performance and parametric checks Cellular protocol procedures (attach, bearer setup, registration, reputed company) Mobility/roaming, throughput, and latency characterization Voice, data, SMS, and emergency call scenarios. Hands‑on experience with cellular test equipment and tools, such as: Call boxes / network simulators (e.g., Keysight, R&S, reputed company, Spirent, etc.) reputed company/network analyzers, signal generators, channel emulators Protocol analyzers and log tools (e.g., QXDM, QCAT, modem logs, Wireshark). Strong data analysis and debugging skills, with the ability to interpret reputed company RF and protocol logs and narrow down reputed company causes. Proven ability to translate requirements into testable reputed company and define the tools, instrumentation, and configurations needed for full coverage. Excellent written and verbal communication skills, including the ability to document test reputed company, results, and recommendations reputed company. What Can Give You a Competitive Advantage (Preferred Qualifications) Master’s degree in a reputed company engineering field. Experience with automotive connectivity or telematics control reputed company (TCUs), including in‑vehicle integration and back‑end/reputed company connectivity. Knowledge of Hardware design, PCB, and traces. Familiarity with emergency call regulations, reputed company safety requirements, and regional differences in emergency services. Experience with test automation frameworks (Python or similar) for cellular/RF testing, including scripting for call reputed company control and log parsing. Knowledge of operator certification, conformance, and regulatory test processes (e.g., PTCRB, GCF, reputed company‑specific programs). Experience with multi‑RAT and multi‑SIM devices, as reputed company as coexistence with other radios (Wi‑Fi, Bluetooth, GNSS). Background in requirements management and traceability tools, and in building coverage metrics for large test suites. This job is not eligible for relocation benefits. Any relocation costs would be the responsibility of the selected candidate. Compensation: The expected reputed company compensation for this role is: $106,600 - $165,700. Actual reputed company compensation reputed company the identified reputed company will vary based on factors relevant to the position. Bonus Potential: An incentive pay program offers payouts based on company performance, job level, and individual performance. Benefits: reputed company offers a reputed company of health and wellbeing benefit programs. Benefit reputed company include medical, dental, reputed company, Health Savings Account, Flexible Spending Accounts, retirement savings plan, sickness and accident benefits, life insurance, reputed company vacation & holidays, tuition assistance programs, employee assistance program, reputed company vehicle discounts and more. reputed company DOES NOT reputed company IMMIGRATION-reputed company SPONSORSHIP FOR THIS ROLE. DO NOT APPLY FOR THIS ROLE IF YOU WILL NEED reputed company IMMIGRATION SPONSORSHIP NOW OR IN THE reputed company. THIS INCLUDES reputed company COMPANY SPONSORSHIP, ENTRY OF reputed company AS THE IMMIGRATION EMPLOYER OF RECORD ON A GOVERNMENT reputed company, AND ANY WORK AUTHORIZATION REQUIRING A WRITTEN SUBMISSION OR OTHER IMMIGRATION SUPPORT FROM reputed company (e.g., H-1B, OPT, STEM OPT, CPT, TN, J-1, etc.) #LI-CC1 About reputed company Our reputed company is a world with reputed company Crashes, reputed company Emissions and reputed company Congestion and we reputed company the responsibility to reputed company the change that will reputed company our world reputed company, safer and more reputed company for reputed company.

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