Principal / Senior Staff Software Engineer ( 5G PHY )
Company: Globalstar
Role summary
Principal / Senior Staff Software Engineer ( 5G PHY ) is a full-time role at Globalstar in San Diego, California, United States (on-site). Posted 2026-08-20. Experience level: 10+.
- Job title
- Principal / Senior Staff Software Engineer ( 5G PHY )
- Company
- Globalstar
- Location
- San Diego, California, United States
- Work arrangement
- on-site
- Employment type
- full-time
- Category
- Software Engineering
- Experience level
- 10+
- Date posted
- 2026-08-20
You’ll be taking on a high-level technical leadership role at Globalstar, shaping the future of their 5G physical layer infrastructure. It’s a fantastic opportunity for a seasoned engineer to drive complex architectural decisions in the telecommunications space while working with cutting-edge wireless technology.
Job description
Globalstar (NASDAQ: GSAT) is a leading provider of mobile satellite and terrestrial connectivity solutions with a comprehensive connectivity ecosystem, including XCOM RAN, its software-defined private wireless platform purpose-built for mission-critical network communications.
XCOM RAN delivers a next-generation Radio Access Network platform designed to deliver secure, high-performance private wireless connectivity for enterprises and government organizations. XCOM RAN has an advanced software-defined architecture and enables the creation of wide-area “Supercells” that eliminate handoffs and optimize throughput. The solution is engineered for mission-critical environments where reliability, scalability, and low-latency performance are essential, from smart logistics and industrial automation to defense, emergency response, and more.
What you will be doing at XCOM RAN by Globalstar
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.
What you will bring to Globalstar
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
Marginal Functions:
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.
Skills and Competencies:
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
What Globalstar offers:
Work/Life Balance: Paid Time Off, Paid Holidays
Financial Benefits: 401(k) Plan with Company Match, Employee Stock Purchase Program, Voluntary and Company Paid Group Life Insurance, Short- and Long-Term Disability Insurance, Medical FSA, Dependent Care, Competitive Salaries
Health & Wellness: Health Insurance, Dental Insurance, Vision Insurance, Employee Assistance Program, Comprehensive and Interactive Wellness Program
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