> Markdown version of [/jobs/ext/2163858-principal-senior-staff-software-engineer-5g-phy](https://www.wearedevelopers.com/jobs/ext/2163858-principal-senior-staff-software-engineer-5g-phy). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal / Senior Staff Software Engineer ( 5G PHY ) - **Company:** Globalstar Inc. - **Location:** San Diego, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** LTE (Telecommunication), Algorithm Design, Computer Networks, Computer Engineering, Software Debugging, Linux, Kernel Debuggers, Microsoft Office, Netsuite, Network Diagnostics, Real-Time Operating Systems, Software Engineering, Tcpdump, Wireshark, 5G NR, Information Technology, Wireless Technologies, C++14, Software Performance - **Published:** August 21, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88105164/1 ## About the Role * Bachelor's degree or higher in Computer Science, Computer Engineering, or closely related field * 10+ years of recent and hands-on software development experience with C and/or Modern C++ * 7+ years of experience software and algorithm development for PHY ( L1 ) 5G or LTE wireless systems * 7+ years of experience taking complex software from concept to finished custom ready products * 5+ years of experience developing software for real-time Linux systems It's a bonus if you have: * Master's or higher in Computer Science, Computer Engineering, or closely related field * Networking concepts, protocol, and networking tools (e.g., Wireshark, tcpdump) * Debugging techniques for real-time software applications * Kernel debugging including core dump analysis * Optimizing software performance Physical Requirements: * Prolonged periods of sitting at a desk and working on a computer, * Excellent verbal and written communication skills, including the ability to interact clearly and concisely with all departments and levels of management * Excellent organizational skills with attention-to-detail * Ability to meet multiple deadlines in a fast-paced environment * Ability to effectively manage time and prioritize tasks * Ability to act with integrity, professionalism, and confidentiality * Proficiency with Microsoft Office * Familiarity with NetSuite * Strong problem-solving skills, especially under time constraints * Ability to identify and seek needed information ## Description As a Principal / Senior Staff Software Engineer, you will lead a high performing team of software and engineers developing the next generation of high throughput 5G NR wireless systems. This will included architecting, designing, developing, and coding major system features. You will guide and mentor the software team, innovate and improve software development processes, and work with cross function engineering teams. Also, you will work with systems design and test teams to integrate and validate novel 3GPP wireless technology concepts., A review of this job description may have omitted some of the marginal functions of the position that are incidental to the performance of the job duties and responsibilities. This job description, in no way, states or implies that these are the only duties and/or responsibilities to be performed by the employee in this position. The employee in this position will be required to follow any other job-related instructions and to perform any other job-related duties requested by his/her supervisor. ## Related Videos - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [You’re a great coder? 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