Electrical Engineer II, RF Test Engineer

Axon•Scottsdale, AZ

About The Position

Join Axon and be a Force for Good. At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast-paced, challenging and meaningful. Here, you’ll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter. Your Impact As an RF Test Engineer, your work will be essential in ensuring that the wireless technologies in Axon's advanced products meet the highest performance, reliability, and compliance standards. Your hands-on expertise will drive the rigorous testing and optimization of RF systems that enable our cutting-edge body-worn cameras, vehicular systems, and connected devices. By leveraging your technical acumen and problem-solving skills, you will be instrumental in identifying and overcoming RF challenges, ensuring robust designs that operate seamlessly in diverse and demanding environments. You will collaborate with cross-functional teams and global partners to verify and refine wireless designs, using state-of-the-art tools and methodologies. Your work will directly contribute to the development of reliable, high-performance solutions that serve Law Enforcement, Public Safety, and the communities they protect. Through your efforts, you will help deliver transformative technologies that empower public safety professionals and redefine industry standards.

Requirements

Bachelor’s degree in Electrical Engineering, RF Engineering or similar discipline.
Minimum of 3 years of hands-on embedded RF and wireless device testing experience
Minimum of 3 years of wireless device test plan development for evaluating performance of various wireless interfaces against system and product requirements
Solid understanding of basic RF principles and theory, familiar with basic RF technology circuitry stages and topologies.
Experience characterizing RF components such as filters, switches, passives and signal paths.
Experience testing modern RF hardware including multiband Wi-Fi, Bluetooth, Cellular (LTE, 5G FR1), and multi-constellation GNSS at the circuit, subsystem and device levels.
Cellular experience is a must-have.
High level of familiarity of cellular certification processes, test requirements, and test methods (PTCRB, CTIA, GCF, Carrier testing, etc), with hands on experience with device pretesting
Familiarity of worldwide EMC and intentional radiator regulatory standards and test methods (FCC, CE, ETSI, etc).
Hands on experience a plus.
Proficient with hands-on operation of RF equipment such as RF communication testers (CMW, CMX, Litepoint), Network Analyzers, Spectrum Analyzers, RF power meters, Signal Generators, RF Test chambers
Experience with collaborative RF debug at device and circuit level
Familiarity reading electronics schematics, layout and mechanical drawings.
Strong documentation and communication capabilities to effectively report test procedures, test results, and recommendations to the design team
Motivated to operate independently, within cross-functional in-house design teams, and with external resources and test facilities.

Nice To Haves

Familiar with Linux command line
Experience with CMWrun test scripting tool

Responsibilities

Design and implement test plans to evaluate the performance of wirelessly connected devices, ensuring they meet stringent product and regulatory requirements.
Record RF test data and organize results, creating clear, actionable reports.
Present findings and recommendations to cross-functional teams, enabling swift resolution of design challenges.
Evaluate RF performance characteristics such as Total Radiated Power (TRP), Total Isotropic Sensitivity (TIS), and other over-the-air (OTA) metrics for cellular-enabled wireless devices using advanced equipment. (CMX500 and CMW500 in controlled chamber environments).
Use instruments like spectrum analyzers and radio communication testers to assess conducted performance of wireless technologies, including LTE, 5G, Wi-Fi, Bluetooth, and GNSS.
Support product field evaluations to validate RF performance under diverse real-world conditions, such as urban or rural environments
As part of a collaborative team, investigate and debug issues such as poor sensitivity, low transmit power, or signal interference in wireless devices.
Assist in the regulatory pre-certification and formal certification test efforts for hardware by preparing test samples, working closely with external test labs, troubleshooting issues, and ensuring successful completion of certification activities.
Expand your knowledge of RF systems, testing methodologies, and certification standards while working closely with experienced engineers to develop your technical expertise and contribute to innovative designs.