Full-Time

Wireless Modem Implementation Engineer

DSP & 5G PHY Specialist

Updated on 8/19/2026

E-Space

E-Space

51-200 employees

Sustainable satellite constellations for AIoT data

No salary listed

Saratoga, CA, USA

In Person

Bachelor's, Master's

Category
Electrical Engineering (1)
Required Skills
Python
MATLAB
Simulink
C/C++

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Requirements
  • A Bachelor's or Master's degree in Electrical Engineering, Telecommunications, or a related field.
  • Demonstrable experience in wireless modem design, including digital signal processing-based implementations and 5G physical layer development.
  • Extensive hands-on expertise with Layer 1 modem software development and integration.
  • A solid understanding of digital signal processing, communication theory, and wireless standards including 4G, 5G, 5G New Radio, and LTE.
  • Proficiency in C, C++, Python, or MATLAB.
  • A proven track record of troubleshooting and optimizing complex communication systems.
  • Strong collaboration and communication skills for working within cross-functional teams.
  • Flexibility to occasionally work extended hours or weekends during critical periods.
Responsibilities
  • Develop and implement physical layer algorithms for digital signal processing-based wireless modems.
  • Lead the design and coding of Layer 1 modem software, emphasizing 5G physical layer implementation and performance optimization.
  • Use knowledge of digital signal processing-based modems, including NXP Layerscape modems, to integrate and enhance modem functionalities in software.
  • Collaborate with cross-functional teams to integrate modem software with firmware and other system components.
  • Develop test strategies, simulate real-world scenarios, and validate performance under diverse conditions.
  • Identify performance bottlenecks and apply debugging and optimization techniques to improve system efficiency.
  • Conduct performance analyses including link budget, throughput, latency, and error-rate evaluations.
  • Document design methodologies, test results, and system enhancements.
  • Provide technical support during system integration, design reviews, and field trials.
Desired Qualifications
  • Experience with modern coding techniques such as LDPC, Turbo Codes, or Polar Codes.
  • Exposure to simulation tools such as MATLAB and Simulink and to real-time system testing.
  • Familiarity with software-defined radio platforms and related development tools.
  • Background in wearable technology or emerging Internet of Things applications.

E-Space creates and deploys small, easy-to-install devices that can be tracked and connected globally. Its E-Space LEO platform uses AIoT to optimize data from these devices, turning it into actionable insights and automation. They redesign spacecraft, antennas, and terminals to cut the cost of satellite systems and make space technology more accessible. They serve governments, businesses, communities, and individuals, and emphasize ESG goals by using space data to support sustainable decisions.

Company Size

51-200

Company Stage

Seed

Total Funding

$50M

Headquarters

Arlington, Texas

Founded

2021

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Simplify Jobs

Simplify's Take

What believers are saying

  • Arlington broke ground October 3, 2025, backing a North American HQ.
  • Beyon’s Bahrain MoU extends E-Space’s IoT sales pipeline beyond Texas.
  • The US Defense Department awarded E-Space a communications demonstration contract in 2023.

What critics are saying

  • Only nine satellites launched by February 2026; commercial proof remains thin.
  • Arlington’s 480,000-square-foot campus finishes in spring 2027, delaying scale revenue.
  • Hundreds-of-thousands-satellite ambition needs capital, spectrum, and launch execution; one miss kills it.

What makes E-Space unique

  • Greg Wyler’s CommAgility acquisition gives E-Space 5G NTN software depth.
  • E-Space’s 2023–2026 pitch centers on sustainable, deorbit-capable LEO design.
  • Its AIoT stack targets direct device-to-cloud data, not dumb bandwidth.

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Benefits

Competitive salaries

Continuous learning and development

Health and wellness care options

Financial solutions for the future

Optional legal services

Paid holidays

Paid time off

Growth & Insights and Company News

Headcount

6 month growth

-2%

1 year growth

0%

2 year growth

0%
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