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# Modem System Test Engineer - 6G/5G Data and Networking

- **Company:** Qualcomm
- **Location:** San Diego, CA, United States (Remote available)
- **Salary:** $89,000.0 - $133,600.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Java (Programming Language), Microsoft Windows, Artificial Intelligence, Systems Engineering, VoIP, C++ (Programming Language), Code Coverage, Software Code Optimization, Protocol Stack, Computer Programming, Computer Networks, Computer Engineering, Modems, Data Transmissions, Data Structures, Data Systems, Dynamic Host Configuration Protocol, Software Debugging, Network Address Translation, Domain Name System (DNS), Embedded Operating Systems, Ethernet, Internet Protocol Security (IP SEC), IPv4, IPv6, Python (Programming Language), Network Security, Log Analysis, Machine Learning, Object-Oriented Software Development, Shell Script, System Testing, TCP/IP, Virtual Local Area Networks, Wireless Networks, Wi-Fi Technology, Scripting, System-level Testing, Information Technology, Multiaccess Edge Computing
- **Published:** November 5, 2026
- **Apply:** https://www.careerbuilder.com/job-details/modem-system-test-engineer-6g-5g-data-and-networking-san-diego-ca--b7549dd9-1842-4a54-ad96-e8a8621fea70

## About the Role

Modems, System Test, Systems Engineering, Computer Networks, System Test, Ethernet, Wi-Fi, Broadband, Protocol Stack, Cross-Functional, The ideal candidate is curious about emerging technologies, eager to learn, and comfortable working in a collaborative technical environment. Strong communication and interpersonal skills are essential, along with a proactive, hands-on approach to testing and lab-based work., Bachelor''s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field., * Strong understanding of wireline, Ethernet, and wireless data protocols, including RLP, PPP, TCP/UDP, IPv4/IPv6, DHCP, DNS, NAT, 464XLAT, VLAN, and 802.11ac/ax/ad.

 * Knowledge of IP telephony and multimedia protocols such as SIP/SDP, RTP, IMS, and related network security concepts including IPSec, EAP, TLS, and WPA2.
 * Familiarity with software engineering fundamentals, including data structures, embedded operating systems, object-oriented programming, and core algorithms.
 * Exposure to air-interface performance analysis, TCP/IP analysis, packet tracing tools, protocol debugging, and system optimization.
 * Programming or scripting experience in one or more languages such as C, C++, Java, Python, or shell scripting on UNIX/Linux/Windows platforms.
 * Knowledge of AI/ML concepts and their application to digital communications is a plus.

## Description

Qualcomm is a global leader in wireless technology, driving breakthroughs that enable advanced connectivity across mobile, automotive, IoT, compute, and next-generation connected experiences. The Modem System Test team plays a critical role in validating modem features, network behavior, and data performance across Qualcomm's industry-leading modem platforms. We are seeking a motivated engineer to join the Modem System Test (MST) team in San Diego. In this role, you will contribute to building and validating end-to-end data features, protocols, and system performance across mobile, automotive, IoT, broadband platforms supporting 6G/5G modem, WiFi 7/8, ethernet and related data technologies. You will work across layers of the protocol stack and collaborate closely with cross-functional Software, Systems and Hardware teams to ensure high-quality product readiness for global deployment., You will be responsible for validating end-to-end functionality and system level performance for modem networking and data protocol features. Core responsibilities include:

 * Develop and execute system-level test strategies, methodologies, and test plans for data features and use cases.
 * Define key data performance indicators and evaluate system performance, including CPU/NPU performance towards close-end Edge-AI models, and optimize based on data from conducted, radiated, and live 6G/5G network testing.
 * Analyze 3GPP specifications, carrier requirements and customer specifications, translating them into robust validation scenarios and test coverage.
 * Perform log analysis, debugging, and root cause investigation of failures across lab and field environments.
 * Support feature integration, certification, and commercialization of global products., To all Staffing and Recruiting Agencies: Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications.