Cellular Field Test Engineer

Job Description This role is categorized as hybrid. This means the successful candidate is expected to report to the GM 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 Cellular Field Test Engineer is responsible for planning, executing, and analyzing on‑road and lab‑based cellular field tests across global markets to ensure GM connectivity platforms meet performance, reliability, and regulatory expectations. This role is the front line for identifying network, device, and service issues before launch, partnering closely with carriers, modem and TCU suppliers, and internal engineering teams to drive resolution. What You’ll Do Field Test Planning & Execution Plan and execute cellular field test campaigns for new vehicle programs, modem/TCU releases, and network changes (e.g., new bands, new carriers, 4G/5G rollouts). Define test routes and scenarios (urban, suburban, highway, border areas, roaming corridors, coverage edges, tunnels, high‑load locations). Execute drive testing and stationary testing to evaluate: Registration/attach performance and stability Voice/VoLTE/VoNR call performance and handovers Data throughput, latency, and packet loss Mobility events: idle/connected mode handovers, inter‑RAT transitions, roaming SMS, emergency services (e.g., eCall where applicable), OTA update readiness Coordinate logistics with external test vendors and local resources where used (vehicles, SIMs, routes, permits, equipment). In this role you are expected to perform in vehicle testing up to 40% and occasionally 5 days a week at office in addition to some late hours and weekends as needed. Network & Device KPI Validation Measure and track key Cellular KPIs (RSRP/RSRQ/SINR, BLER, attach success, call drop rate, throughput, paging success, TAU/RAU, etc.) against GM targets. Validate service behavior under real‑world conditions, including congestion, weak signal, and cross‑border roaming scenarios. Verify correct behavior for multi‑carrier / multi‑profile configurations and SIM provisioning workflows. Data Capture, Analysis & Debug Configure and operate field test tools (e.g., modem logs, drive‑test tools, RF scanners, application probes). Capture detailed device and network logs for each test (Qualcomm logs, modem traces, QXDM/QCAT‑style tools, packet captures, vehicle bus traces). Analyze logs to isolate issues to network vs. device vs. configuration vs. application. Reproduce issues in controlled environments when possible and create clear, data‑driven defect reports. Summarize test results into structured reports and dashboards for program reviews and launch readiness gates. Test Process, Tooling & Automation Contribute to development and refinement of standard cellular field test procedures, route libraries, and KPI templates. Help define and implement automation and scripting (e.g., route replay, KPI extraction from logs, automatic report generation). Support continuous improvement of field test methods to increase coverage, speed, and repeatability. Your Skills & Abilities (Required Qualifications) Bachelor’s degree in electrical engineering, Computer Engineering, Telecommunications, or related technical field; or equivalent practical experience. 2 years experience in cellular testing, RF/network engineering, modem/TCU validation, or similar role. Strong understanding of cellular technologies (LTE, LTE‑A, 5G NR) and 3GPP concepts (e.g., bands, carriers, PLMN, QoS, mobility, roaming). Hands‑on experience with at least one class of field test / logging tools (modem trace tools, drive‑test tools, RF scanners, log parsers). Ability to interpret logs and KPIs to identify patterns and narrow down issues. Solid understanding of IP networking basics (DNS, TCP/UDP, APN, VPN, firewalls) as applied to vehicle connectivity. What Can Give You a Competitive Advantage (Preferred Qualifications) Experience with automotive connectivity systems (TCUs, CHM/OnStar or equivalent, vehicle bus interfaces such as CAN/Ethernet). Familiarity with carrier certification and PTCRB/GCF workflows and expectations. Prior experience working directly with wireless carriers or modem/silicon vendors on issue resolution. Scripting skills (e.g., Python) for log parsing, KPI extraction, automation of reports. Experience with eCall/emergency call testing in Europe and other regulated markets. Understanding security aspects of cellular connectivity (SIM/eSIM, TLS, certificates, secure APNs). Self‑driven and comfortable working independently in the field with limited supervision. Strong organizational skills to manage routes, vehicles, SIMs, and equipment across multiple regions and programs. Proven ability to prioritize and communicate under tight program timelines. This job is not eligible for relocation benefits. Any relocation costs would be the responsibility of the selected candidate. Compensation: The expected base compensation for this role is: $83,800 - $105,550. Actual base compensation within the identified range 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: GM offers a variety of health and wellbeing benefit programs. Benefit options include medical, dental, vision, Health Savings Account, Flexible Spending Accounts, retirement savings plan, sickness and accident benefits, life insurance, paid vacation & holidays, tuition assistance programs, employee assistance program, GM vehicle discounts and more. GM DOES NOT PROVIDE IMMIGRATION-RELATED SPONSORSHIP FOR THIS ROLE. DO NOT APPLY FOR THIS ROLE IF YOU WILL NEED GM IMMIGRATION SPONSORSHIP NOW OR IN THE FUTURE. THIS INCLUDES DIRECT COMPANY SPONSORSHIP, ENTRY OF GM AS THE IMMIGRATION EMPLOYER OF RECORD ON A GOVERNMENT FORM, AND ANY WORK AUTHORIZATION REQUIRING A WRITTEN SUBMISSION OR OTHER IMMIGRATION SUPPORT FROM THE COMPANY (e.g., H-1B, OPT, STEM OPT, CPT, TN, J-1, etc.) #LI-CC1 About GM Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all. Why Join Us We believe we all must make a choice every day – individually and collectively – to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team. Benefits Overview From day one, we're looking out for your well-being–at work and at home–so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources. Non-Discrimination and Equal Employment Opportunities (U.S.) General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers. All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws. We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire. Accommodations General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us or call us at 1-800-865-7580. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying. We are leading the change to make our world better, safer and more equitable for all through our actions and how we behave. Learn more about: Our Company Our Culture How we hire Our diverse team of employees bring their collective passion for engineering, technology and design to deliver on our vision of a world with Zero Crashes, Zero Emissions and Zero Congestion. We are looking for adventure-seekers and imaginative thought leaders to help us transform mobility. Explore our global locations We are determined to lead change for the world through technology, ingenuity and harnessing the creativity of our diverse team. Join us to help lead the change that will make our world better, safer and more equitable for all by becoming a member of GM’s Talent Community (beamery.com). As a part of our Talent Community, you will receive updates about GM, open roles, career insights and more. Please note that filling out the form below will not add you to our Talent Community automatically; you will need to use the link above. If you are seeking to apply to a specific role, we encourage you to click “Apply Now” on the job posting of interest.

Salary : $83,800 - $105,550