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).