Senior Software Engineer (5G PHY Layer)

Globalstarupdated; San Diego (CA); On-site; USD 120,000 - 190,000; Full time

Job summary

Globalstar is seeking a Senior Software Engineer (L1/PHY) to design and implement real-time C/C++ software for high performing wireless systems. You will develop, test, and verify major features, participate in design reviews, and integrate with systems design and test teams to validate 3GPP concepts.

We value a BS in CS/CE, 7+ years of C/C++, 5+ years real-time Linux, and 5+ years with 4G/5G L1 specs. Nice-to-haves include Intel AVX-512, NIC drivers, DPDK, and strong testing skills.

Qualifications

• BS Computer Science, Computer Engineering, or closely related field.
• 7+ years of hands-on software development experience with C and/or Modern C++.
• 5+ years of experience developing software for real-time Linux systems.
• 5+ years of experience with 5G or 4G L1 (PHY Layer) specs and stack development.

Responsibilities

• Design and implement real-time C/C++ software for wireless systems.
• Develop, test, and verify major system features.
• Participate in design reviews, code reviews, and CI processes.
• Collaborate with systems design and test teams to validate novel 3GPP concepts.

Skills

C

Modern C++

Real-time Linux

5G/L1 specs

Education

BS in CS/CE

Tools

Intel AVX-512

NIC drivers

DPDK

Wireshark

tcpdump

Job description

Globalstar pioneered personal safety by introducing its SPOT Satellite GPS Messenger in 2007. Today, leveraging its low-earth orbit (LEO) satellite constellation, Globalstar reliably connects and protects assets, transmits key operational data, and saves lives - from any location - for consumers, industrial companies and government agencies in over 120 countries. With a portfolio that includes SPOT GPS messengers, next-generation IoT products and modems, and cloud-based telematics solutions, Globalstar’s cost effective satellite-powered innovations give users visibility and intelligence for improving safety and operational efficiencies.

What you'll be doing at Globalstar

As a Senior Software Engineer (L1/PHY), you will design and implement real-time C/C++ software for high performing wireless systems. This includes designing, developing, coding, testing, and verifying major system features. You will participate in and enhance software processes, including design reviews, code reviews, and continuous integration. 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

• BS Computer Science, Computer Engineering, or closely related field
• 7+ years of recent and hands-on software development experience with C and/or Modern C++
• 5+ years of experience developing software for real-time Linux systems
• 5+ years of experience with 5g or 4g L1 (PHY Layer) specs and stack development

It’s a bonus if you have:

• MS Computer Science, Computer Engineering, or closely related field
• Experience with Intel ecosystem: CPU architecture (AVX-512 instructions), NIC drivers, and DPDK (Data Plane Development Kit)
• Knowledge of digital signal processing. Linear algebra would be a plus.
• Networking concepts, protocol, and networking tools (e.g., Wireshark, tcpdump)
• Unit testing and end to end system integration testing
• Debugging techniques for real-time software applications
• Optimizing software performance

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