Engineer unit test (contract)

InnoPhase Inc., DBA GreenWave Radios™, is at the forefront of innovation in Open RAN digital radios. Our cutting-edge solutions, powered by the Hermes64 RF SoC, are designed to enhance network energy efficiency while dramatically reducing operational expenses, with purpose-built silicon that is the heart of ORAN-based active antenna arrays.

Headquartered in San Diego, California, GreenWave Radios™ has established itself as a pioneer in delivering power-efficient digital-to-RF solutions. The company is supported by a talented team of over 100 engineers spread across four global R&D facilities. With an extensive portfolio of more than 120 global patents, GreenWave Radios™ continues to push the boundaries of radio technology and innovation.

To learn more about GreenWave Radios™ and hear what our employees have to say, visit the GreenWave™ certification profile at GreatPlacetoWork.com or explore our Home - GreenWave Radios website.

InnoPhase Inc., DBA GreenWave™ Radios, is at the forefront of innovation in Open RAN digital radios. Our cutting-edge solutions, powered by the Hermes64 RF SoC, are designed to enhance network energy efficiency while dramatically reducing operational expenses, with purpose-built silicon that is the heart of ORAN-based active antenna arrays. Based in San Diego, California, GreenWave Radios has earned a reputation for delivering power-efficient digital-to-RF solutions. Our commitment to innovation is backed by a robust team of more than 100 talented engineers spread across four R&D facilities worldwide and an extensive portfolio of over 120 global patent filings, underscoring our dedication to pushing the boundaries of radio technology.

InnoPhase Inc., DBA GreenWave™ Radios and Synergic Emergence have a co-employment relationship. For over three years, GreenWave Radios has partnered with Synergic Emergence, a professional employment organization provider, to offer our employees the best benefits and services. This arrangement means that Synergic Emergence provides employee pay checks, and GreenWave Radios will provide employment, evaluation, and advancement. By outsourcing some HR functions, GreenWave Radios can focus on what we do best – developing and implementing highly innovative SOC cellular radio integrated circuit products.

Key Responsibilities

• This is a 6-month contract position.
• Design and develop bare metal & RTOS-based firmware/software for a 5G SoC – specifically device driver and lower PHY.
• Assist with the definition, development and verification of SW/FW products in accordance with company & industry standards, policies & procedures.
• Run & test developed SW/FW both in simulation & on actual HW in lab (lab may be remote).
• Collaborate closely with Applications, Systems, HW and SW/FW teams to determine SW/FW requirements.
• Participate in architecture & code reviews.
• Produce documentation e.g., design specs, developer & customer user guides, etc.
• Read and understand detailed technical specifications.
• Individual contribution is the main role, with some technical leadership and mentorship.

Job Requirements:

• 6+ years’ experience required.
• B.E EE/CS required, M.Tech EE/CS preferred.
• Experience with ARM or similar embedded SoC development environments.
• Experienced in RTOS principles and concepts, and hands-on experience in any RTOS.
• Comfortable with configuration management, version control and modern software development flows (e.g., Agile, Scrum, Lean).
• Excellent debug skills.
• Good communication, documentation & presentation skills.
• Demonstrate initiative to drive technical issues to resolution.

Desirable Skills:

• Prior System on a Chip (SoC) product development experience.
• Good understanding of cellular wireless protocols (MAC/PHY), especially 4G LTE or 5G NR.
• Be able to work productively and independently.
• Experience using GIT and Jira tools.
• Team player with a strong sense of urgency to meet product needs on time.

Technical Skills:

• Strong proficiency in C / C++ for embedded systems.
• Hands-on experience with Unity, GoogleTest (gtest), or similar frameworks.
• Solid understanding of embedded systems and low-level driver development.
• Experience with mocking techniques for hardware-dependent code.
• Familiarity with build systems (Make, CMake, etc.).
• Experience with debuggers (GDB, JTAG) and static analysis tools.
• ARM-based systems (Cortex-R/A/M).
• Register-level programming.
• Interrupts, DMA, and concurrency considerations.
• Boot-time and runtime initialization testing.
• Proficiency in using Claude AI (Anthropic) for AI-assisted development, including code generation, code review, debugging, test case creation, and technical documentation.

Good-to-Have (Optional):

• Experience with simulators / emulators (simvision, etc).
• Exposure to SoC-level verification.
• Knowledge of Python for test automation or result analysis.
• Experience in ORAN/wireless domains.
• Familiarity with code coverage tools (coverity).