Radio Product Support Engineer III Job at Fujitsu Network Communications in Rich

Radio Product Support Engineer III

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1Finity, a Fujitsu company, is a global provider of communications networks for our connected world. We uniquely combine technological leadership and expertise in open optical and wireless networking, network automation, and applied AI/ML to design, build, operate, and maintain critical digital communications network infrastructure. Collaborating closely with ecosystem partners, we deliver transformative outcomes for service providers and network operators, and enable them to lower TCO, improve network performance, and increase energy efficiency. We’re also a diverse, inclusive, and innovative workplace that achieves together. We offer highly competitive compensation, benefits, and career development opportunities, as well as flexible options for working your way.

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.

1Finity salaries are aligned to the specific geographic location in which the work is primarily performed. The pay range for this role is estimated at $90,105 to $128,721 USD, with potential 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, 401(k), and other benefits.

We are proud to be an equal‑opportunity employer that values diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. By empowering people, we can unleash our collective strengths to create a better experience for our employees, our customers, and our partners.

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