As Staff DSP Engineer, you will work on the design, development, integration, and testing calibration software modules for a next-generation fixed wireless broadband system. The primary focus is functionality in layer 1 of proprietary 5G protocol, such as channel estimation, IQ imbalance correction, and LO leakage cancellation.
Develop software running on both the base station and user equipment of a broadband wireless access system, for various multicore DSP/ARM processors and real-time operating systems. Collaborate closely with L2/L3 software groups and FPGA/ASIC teams to deliver cross-layer features.
Job Responsibilities:

Design of Calibration software architecture, HW/SW interfaces, APIs and RFIC impairments correction algorithms and protocol state machines
Strong understanding of RFIC impairments and algorithms for compensating the impairments using Real-Time SW
Hands-on implementation in C/C++ of DSP software modules running under RTOS on multi-core DSP architecture
System integration and debugging on complex hardware platforms
Mentorship of junior engineers, providing technical guidance and code review
Willing to learn continuously and collaborate with the team members.

Required Skills & Experience:

MS or PhD in Electrical Engineering, with an emphasis in wireless communication and/or digital signal processing
9+ years of industry experience in a Senior/Lead role, encompassing the ownership of design and implementation of signal processing algorithms on a DSP / ARM core running Linux or a RTOS
Industry experience needed in RFIC software development for wireless communication systems (such as 5G, LTE, WiFi, or similar proprietary protocols)
Strong understanding of RFIC impairments and compensating the impairments using Real-Time SW
Experience needed on system integration and bring-up

Knowledge and Skills:

Formal understanding of communication and signal processing theory and techniques, including OFDM communication systems, and a strong mathematical background in linear algebra
Strong background in C, C++, and Python programming
Experience with software development for multi-core embedded systems, including real-time operating systems (RTOS), memory and cycle optimization, caches, multi-threaded programming, inter-process communication, and HW/SW interaction
Comprehensive knowledge of one or algorithms used in wireless communications systems, and associated design and implementation in software. Relevant experience could be in areas such as:
- RFIC impairments and compensations SW development and validation
- Calibration procedures for multi-antenna based systems
- Advanced array signal processing techniques, such as beam-forming and MIMO
- Adaptive equalization, receiver synchronization, signal identification and recovery
Experience with version control systems (Git, Gerrit, Gitlab), and issue tracking and collaboration systems (Jira, Confluence)

The salary range for this position is: $155,000 to $200,000
Compensation will be determined based on several factors including, but not limited to: skill set, years of experience and the employee’s geographic location.
Tarana provides competitive benefits to employees in this role including: Medical, dental and vision benefits, 401K match, flexible time off and stock option.
Since our founding in 2009, we’ve been on a mission to accelerate the pace of bringing fast and affordable internet access — and all the benefits it provides — to the 90% of the world’s households who can’t get it. Through a decade of R&D and more than $400M of investment, we’ve created an entirely unique next-generation fixed wireless access technology, powering our first commercial platform, Gigabit 1 (G1). It delivers a game-changing advance in broadband economics in both mainstream and underserved markets, using either licensed or unlicensed spectrum. G1 started production in mid 2021 and has now been installed by over 160 service providers globally. We’re headquartered in Milpitas, California, with additional research and development in Pune, India.
G1 has been developed by an incredibly talented and pioneering core technical team. We are looking for more world-class problem solvers who can carry on our tradition of customer obsession and ground-breaking innovation. We’re well funded, growing incredibly quickly, maintaining a superb results-focused culture while we’re at it, and all grooving on the positive difference we are making for people all over the planet. If you want to help make a real difference in this world, apply now!

Tarana Wireless, Inc.

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Staff DSP Software Engineer