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We are seeking an experienced Senior Hardware Engineer to join our team, specializing in board-level 4G/5G RAN design and hardware development. The ideal candidate will have a strong background in RF hardware design, embedded systems, and ruggedized electronics, with a focus on delivering high-performance, reliable solutions for mission-critical applications in challenging environments.


• Key Responsibilities:
• Design and Development:
• Develop design, schematics, oversee PCB layout, and perform board bring-u p for 4G LTE and 5G NR systems operating in sub-6 GHz bands.
• Design for ruggedized electronics, ensuring compliance with relevant standards for environmental and electromagnetic compatibility.
• Ensure designs meet stringent requirements for shock, vibration, temperature extremes, and EMI/EMC.
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• Review and advise on board level simulations and PCB Layout.
• ·RF System Integration:
• Optimize signal integrity, power efficiency, and thermal performance for compact, high-density designs.
• Testing, Debugging, & Integration:
• Conduct board-level testing, debugging, rework, and validation using oscilloscopes, spectrum analyzers, network analyzers, and other lab equipment.
• Support system-level integration and field testing.
• Collaboration and Documentation:
• Work closely with cross-functional teams, including software and systems engineers, to ensure seamless integration of hardware solutions.
• Work with external parties for PCB layout and prototype production.
• Create detailed design documentation, including schematics, BOMs, and test plans.
• Compliance and Standards:
• Ensure designs comply with 3GPP standards for 4G/5G.

Qualifications

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• U.S. Citizenship required
Education:
• Bachelor’s or Master’s degree in Electrical Engineering, Electronics Engineering, or a related field.
 Experience:
• 5+ years of experience in board-level design, with a focus on 4G/5G designs.
• Proven experience designing electronics for ruggedized platforms.
• Hands-on experience with RF design.
• Technical Skills:
• Expertise in high-speed circuits including FPGA, SDRAM, SERDES, Ethernet, and RF circuit design.
• Knowledge of thermal management and power supply design for rugged environments
• Knowledge of PCB layout for high-frequency signals.
• Familiarity with embedded systems and FPGA integration.
• Knowledge of harsh environmental standards and 3GPP 4G/5G specifications.
• Experience debugging complex digital and RF circuits.
• Experience with lab equipment for RF testing and validation (e.g., spectrum analyzers, vector network analyzers).
• Familiarity with Software-Defined Radio (SDR) platforms or Open RAN architectures.
• Soft Skills:
• Strong problem-solving and analytical skills.
• Ability to work in a fast-paced, collaborative environment.
• Experience working with third parties on board layout and prototype production.
• Excellent communication skills for cross-functional teamwork.


• Work Environment:
• Hybrid, minimum of 3 days per week onsite in Nashua, NH with occasional travel for field testing or customer engagements.