Sr. Software Engineer – 5G RAN

Fairwinds Technologies is a U.S.-based engineering firm specializing in Satellite Communications and RF Transmission Systems. They are seeking a Communications Software Engineer to adapt the 5G OpenAirInterface stack for military applications, focusing on Low Probability of Intercept and Low Probability of Detection objectives.

Responsibilities:

• Support SW architecture design for an end-to-end 5G communications system based on Open AirInterface (OAI) open-source SW stack
• Deliver software requirements, documents and integration and test plans
• Act as software engineer and implement the software needed changes into the 5G SW stack
• Adapt and extend the 5G OpenAirInterface stack to optimize military LPI/LPD requirements, specifically through the implementation of DSSS and Frequency Hopping techniques
• Support integration and testing of communication systems in lab and field settings
• Interface with hardware and system teams to drive system-level performance
• Author technical documentation and support generation of system specifications and SBIR deliverables

Requirements:

• Bachelor's degree in Computer Science, Computer Engineering, or related field
• 5+ years of design experience in 5G RAN/Radio software development with deep knowledge of 5G and/or ORAN systems and 5G waveforms
• 10+ years of experience coding and reverse engineering with C/C++
• 7+ years of debugging real time communication SW
• Experience in writing 5G systems and SW specifications
• U.S. Citizenship and eligible for DoD security clearance
• Must be eligible to work in the US
• Must hold active secret clearance
• Master's degree in Communications, Computer Science / Engineering, or Wireless Systems
• Experience with 5G core deployment using containerized or virtualized environments (Docker, Kubernetes)
• Experience in utilizing AI in code writing and reviews
• Hands-on experience with the 5G OpenAirInterface (OAI) stack, including gNB, and UE integration
• Experience in L1 and L2 integration of 5G RAN or SATCOM communications systems
• Familiarity with adapting 5G/OAI for military applications, including LPI/LPD techniques
• Experience of User Equipment 5G software
• Practical knowledge of DSSS and Frequency Hopping as applied to secure, resilient wireless communications
• Experience with Terrestrial and Non-Terrestrial (NTN) communications systems
• Understanding of 3GPP specifications (Rel-15 to Rel-18)