Senior RAN Validation Engineer

AST SpaceMobile • Midland, TX

14d

About The Position

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Senior RAN Validation Engineer to join AST SpaceMobile’s Validation Team. This role is responsible for hands-on validation and troubleshooting of Radio Access Network (RAN) systems in a satellite end-to-end environment. The ideal candidate will analyze and troubleshoot field test results, validate RAN components (terrestrial and non-terrestrial), and ensure network performance and reliability meet design expectations.

Requirements

• Bachelor’s degree in electrical engineering, Telecommunications, or a related technical field.
• A minimum of 5+ years of experience in wireless network testing and RAN validation.
• Strong interpersonal skills and ability to collaborate effectively within cross-functional teams.
• Excellent written and verbal communication skills for technical documentation and reporting.
• Meticulous attention to detail to ensure accuracy of all validation results and documentation.
• Strong analytical and problem-solving skills for troubleshooting complex systems.

Nice To Haves

• Experience with Python and MATLAB for automation and data analysis.
• Familiarity with industry tools such as XCAL, UE Simulators, and Viavi.
• Solid RF testing background and understanding of radio performance metrics.
• Knowledge of 3GPP procedures involving RRC, RLC, MAC, and PHY layers.

Responsibilities

• Perform hands-on RAN testing in an end-to-end lab environment.
• Troubleshoot and interpret field testing results to identify issues and improvement opportunities.
• Conduct RAN-oriented troubleshooting and root cause analysis.
• Work closely with system engineers and developers to validate new software releases and features.
• Contribute to test planning, execution, and reporting for RAN validation activities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 1,001-5,000 employees