High Speed Systems Engineer Verified today
About AST SpaceMobile
AST SpaceMobile is building the first global cellular broadband network in space, operating directly with standard mobile devices. The mission is to eliminate connectivity gaps for five billion mobile subscribers and bring broadband to the unconnected.
The Role
We seek a High-Speed Hardware Engineer (RF and Digital Systems) to design and develop advanced electronic systems for next-generation satellite and telecommunications platforms. You will own high-frequency and high-data-rate hardware development across the full product lifecycle, ensuring robust performance, reliability, and industry compliance.
Your Responsibilities
- Design high-speed multilayer PCBs with controlled impedance
- Develop high-speed digital interfaces including DDR, PCIe, Ethernet, and SerDes
- Ensure signal integrity and power integrity across complex electronic systems
- Design and integrate RF and mixed-signal circuits
- Perform schematic design, layout supervision, and PCB stack-up definition
- Conduct signal integrity and RF simulations to validate designs
- Support hardware validation, testing, debugging, and troubleshooting
- Collaborate with FPGA, RF, and system engineering teams for product integration
- Prepare technical documentation and support manufacturing processes
Your Background
Required:
- Bachelor's degree in Electrical Engineering, Telecommunications Engineering, or related field
- Minimum 5 years high-speed hardware design experience
- Strong proficiency with PCB design tools such as Altium Designer or Cadence
- Solid knowledge of signal integrity principles and transmission line theory
- Experience with high-speed communication protocols: PCIe, Ethernet, DDR, SerDes
- Hands-on laboratory experience with oscilloscopes, spectrum analyzers, and test equipment
Preferred:
- RF design experience in the GHz frequency range
- Experience in satellite, aerospace, or telecommunications industries
- Familiarity with FPGA-based systems
- Experience with simulation tools: HyperLynx, ADS, HFSS
- Knowledge of EMC/EMI standards and compliance requirements
Tools and Technologies
- Altium Designer
- Cadence Design Systems
- HyperLynx
- ADS (Advanced Design System)
- HFSS
- Oscilloscopes and spectrum analyzers
- PCB design and simulation tools
- Microsoft Office Suite
Physical Requirements
- Ability to work in standard office and laboratory environments
- Extended computer use and interaction with electronic test equipment
- Hardware testing, validation, and debugging activities
- Occasional travel to support testing, integration, manufacturing, or customer activities