Radio Product Support Engineer III

Job Description Radio Product Support Engineer III Job Location: Dallas, Texas, Richardson, Texas Location Flexibility: Primary Location Only Req Id: 4640 Posting Start Date: 12/16/25 At Fujitsu, we are driven by our purpose to make the world more sustainable by building trust in society through innovation. We have been a pioneer in technology and innovation for over 80 years, and we are committed to using our expertise to help businesses and organizations transform for the digital age. We believe that digital transformation is essential to creating a more sustainable future. That's why we are working with our customers to develop solutions that can help them reduce their environmental impact, improve their efficiency, and create a more equitable society. We are committed to contributing to the United Nations Sustainable Development Goals (SDGs). These goals are a blueprint for a better future for all, and we believe that technology can play a vital role in achieving them. If you share our passion for making a meaningful impact on the world, we invite you to join our global family of 130,000 employees spanning more than 50 countries. We are a diverse workforce, and we offer a wide range of opportunities for you to grow and develop your career. Together, we can create a more sustainable future for all. Radio Product Support Engineer III Job Description We are seeking a highly skilled Radio Product Support Engineer with expertise in wireless mobile networks, particularly 3GPP LTE 4G and 5G standards. The ideal candidate will have extensive knowledge of Radio Access Network (RAN) components, including Radio Units (RU) and Centralized Units (CU)/Distributed Units (DU). Responsibilities Provide technical support for radio products, including troubleshooting and issue resolution for RAN equipment. Conduct test and validation of wireless protocols for RAN equipment using both commercial and prototype User Equipment (UEs). Utilize a variety of tools and devices for testing and validation purposes. Demonstrate a system-level understanding and working knowledge of 4G/5G technologies. Stay updated on the latest advancements in science and technology, including AI, networking, cloud computing, surveillance, virtualization, electronics circuits, and defense industry developments. Develop and maintain an in-depth understanding of mobile networks, with a strong emphasis on 3GPP LTE 4G and 5G standards. Set up and maintain lab for software and hardware verification and validation, ensuring all necessary equipment and tools are available and functioning properly. Assist with the installation and turn-up of products/solutions in the lab environment, working closely with engineers to ensure proper setup and configuration. Develop comprehensive test plans and test cases based on product requirements and design specifications. Review system and product documentation, including user manuals, technical specifications, release notes, and other related documents. Serve as the highest level of technical support escalation, handling complex issues and providing timely resolutions to customers Provide technical support to customers experiencing issues with our wireless product solutions, including hardware, software, and network-related issues. Conduct system analysis on various network technologies, including LTE, LTE-Advanced, 3GPP NR (5G), and O-RAN (Open Radio Access Network) Qualifications Bachelor's degree in electrical engineering, Telecommunications, or related field. Master's degree preferred. 5+ years of progressive experience in the telecommunications industry, with a focus on wireless network design, deployment, optimization, and troubleshooting. Hands-on experience with Radio Unit (RU) products from major wireless vendors such as Ericsson, Nokia, and Samsung Extensive experience working with 3GPP LTE 4G and 5G standards, with a deep understanding of technical specifications and regulatory requirements. Extensive experience working with O-RAN fronthaul architecture and functional splits, with a focus on 7.2 CAT-A and 7.2 CAT-B configurations. Proficiency in the call-flow process, including understanding call establishment and teardown procedures. Proven track record of successful collaboration with service providers and engineering teams on Small Cell, LTE, and 5G NR projects. Ability to analyze system logs, Key Performance Indicators (KPIs), statistics, and performance issues to identify root causes and recommend solutions. Strong understanding of RAN components and interfaces (RU, CU/DU, FH & F1). Experience in test and validation of wireless protocols. Proficiency in using various tools and devices for testing purposes Ability to comprehend system-level concepts and apply them to practical scenarios. Familiarity with a wide range of science and technology domains. Strong communication and interpersonal skills, with the ability to effectively communicate with customers and internal teams. Excellent problem-solving and troubleshooting skills. If you possess the required qualifications and are passionate about contributing to the advancement of wireless technology, we encourage you to apply for this exciting opportunity. 1Finity salaries are aligned to the specific geographic location in which the work is primarily performed. It is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the circumstances of each situation. The pay range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to: specific skills, qualifications, experience, and comparison to other employees already in this role. The pay range for this position is estimated at $90,105 to $128,721 USD. Additionally, this role may be eligible for a short-term incentive based on company results and individual performance. As a technology company, 1Finity recognizes that human resources are its most important capital. To create an environment where all employees can work positively and healthily, both in mind and body, we offer a full range of health, 401K, and other benefits. Relocation Supported: Yes Visa Sponsorship Approved: No At Fujitsu, we are committed to creating a diverse and inclusive workplace where everyone feels valued and respected. We believe that diversity and inclusion are essential to our success, and we are committed to creating an environment where all employees can thrive. We are an equal opportunity employer and qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, marital status, sexual orientation, gender identity or expression, genetic information, veteran status, or any other characteristic protected by law. We believe that everyone has something to contribute, and we are committed to creating a workplace where everyone can reach their full potential. California Consumer Privacy Act (CCPA), read here // if("017c5a80" === "d2c8f8b9" && "#788FA6") { jobAlertLinkLabelTextFontColor = "#788FA6"; } if("017c5a80" === "30c266d7399226e8" && "#788FA6") { jobAlertLinkLabelTextHoverColor = "#788FA6"; } //