[Remote] Sr. Software Engineer – 5G RAN

Remote Full-time
Note: The job is a remote job and is open to candidates in USA. Fairwinds Technologies is a U.S.-based engineering firm specializing in Satellite Communications and RF Transmission Systems. They are seeking a Sr. Software Engineer with hands-on 5G RAN and radio software development experience to adapt the 5G OpenAirInterface stack for military applications.

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

Skills
• 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)

Company Overview
• Fairwinds Technologies is a defense and space manufacturing company that offers engineering, field service, and interactive training. It was founded in 2016, and is headquartered in Annapolis, Maryland, USA, with a workforce of 51-200 employees. Its website is https://www.fairwinds-tech.com/.

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