Senior Physical-Layer Modem Engineer for LEO Satellite IoT

Espace; Arlington (TX); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Competitive salaries

Health and wellness care options

Paid holidays

Paid time off

Opportunities to make a difference

Job summary

E‑Space is seeking a Senior Wireless Communication Systems Engineer to model, simulate, and design the physical layer modem for a LEO satellite constellation. You will work with cross‑functional teams to ensure reliable data transmission and seamless integration with the overall payload.

Arlington, TX based, full-time exempt role. The candidate should have a strong background in communication theory, DSP, 3GPP standards, and hands-on experience with MATLAB/Simulink and SDR platforms.

Qualifications

• 10+ years in wireless/ satellite comms or related field.

Responsibilities

• Model and simulate physical layer for LEO satellite networks using detailed mathematical models.
• Evaluate performance under varied conditions and scenarios with simulations.
• Design architecture and algorithms for physical layer modems including modulation, coding, synchronization, channel estimation.
• Develop prototypes and conduct lab tests to validate modem performance.
• Collaborate with hardware and software teams for integration of the physical layer with system components.
• Perform link-budget analysis, assess throughput, latency and error rates.
• Document design processes, simulation results and performance evaluations for stakeholders.
• Stay updated with satellite tech advancements and incorporate relevant innovations.
• Participate in design/code reviews and provide constructive feedback.
• Provide technical support during system integration and field trials.

Skills

10 years experience

Communication theory

Digital signal processing

Wireless communication systems

3GPP 5GNR knowledge

Analytical skills

Team player

Education

Master’s or Ph.D. in Electrical Engineering/Telecommunications

Tools

MATLAB

Simulink

VHDL/Verilog

SDR platforms/tools

C/C++

Python

Job description

E‑Space is seeking a Senior Wireless Communication Systems Engineer to model, simulate, and design the physical layer modem for a LEO satellite constellation. You will work with cross‑functional teams to ensure reliable data transmission and seamless integration with the overall payload.

Arlington, TX based, full-time exempt role. The candidate should have a strong background in communication theory, DSP, 3GPP standards, and hands-on experience with MATLAB/Simulink and SDR platforms.