Radio Product Support Engineer III

Radio Product Support Engineer III

Join to apply for the Radio Product Support Engineer III role at Fujitsu Network Communications.

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Finity, 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.

We are seeking a highly skilled Radio Product Support Engineer with expertise in wireless mobile networks, particularly 3

GPP 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).

• 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 3
  
  GPP 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, 3
  
  GPP  (5G), and O‑RAN (Open Radio Access Network).

• 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 3
  
  GPP 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 .
• 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…