5G Rf Optimization Engineer Jobs in California (NOW HIRING)

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’ll be doing

As a RF Wireless Systems Engineer (5G), you will work as part of a team developing solutions that solve complex and challenging problems spanning diverse industries and verticals. This involves cross-layer RF system design and optimization, modeling, and performance analysis at the rf digital boundary.  The successful candidate is expected to have a deep knowledge of the 3GPP/FCC requirements of LTE and NR air interfaces, with hands-on expertise in both lab environments and algorithm development.

What you will bring to XCOM RAN by Globalstar

• MSEE with at least 5 years of experience with wireless systems design and engineering, OR BSEE with at least 7+ years of experience with wireless systems design and engineering.
• Detailed knowledge of wireless communication systems, including physical layer signal processing and RF transceiver architectures.
• Recent and direct knowledge of 3GPP 4G/5G RAN specifications, including conformance test requirements and procedures.
• Experience working on LTE/NR productization or standardization.
• Proficiency with RF and vector signal test equipment, including oscilloscopes, spectrum analyzers, vector signal analyzers, for system validation and debug.
• Experience with digital filter analysis and design using MATLAB, Python, or equivalent tools, including hands-on algorithm development, evaluation, and product integration.
• Hands-on experience implementing or optimizing RF transmitter algorithms such as Digital Pre-Distortion (DPD), Automatic Gain Control (AGC), and Crest Factor Reduction (CFR).
• Experience debugging RF systems, including receiver and transmitter performance, noise figure, transmit linearity, and distortion.
• Knowledge of PLLs, RF noise figure, transmit linearity, and distortion characteristics in wireless transceiver systems.

It’s a bonus if you have:

• Experience with link budget analysis or system performance modeling.
• Experience attending or contributing to 3GPP RAN working groups, particularly RAN4.
• Familiarity with OTA (Over-the-Air) conformance testing methodologies and test chambers.

Physical Requirements:

• Willingness and ability to travel domestically and internationally as needed
• Willingness and ability to work after regularly scheduled hours as needed, particularly during launch campaigns, anomaly response, and critical mission events
• Ability to sit at a desk for prolonged periods working on a computer (4 to 8 hours)
• Ability to operate the equipment used for the job
• Ability to lift 15 pounds at times
• Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this job

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.