Full-Time

Principal Embedded Software Engineer II

Updated on 7/11/2025

CesiumAstro

CesiumAstro

201-500 employees

Develops compact communication systems for space

No salary listed

Expert

No H1B Sponsorship

Austin, TX, USA

In Person

US Citizenship Required

Category
Embedded Engineering
Software Engineering
Required Skills
C/C++
FPGA
Requirements
  • Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering.
  • Minimum of 11 years of industry experience in software development.
  • Experience in hands-on development and troubleshooting of embedded hardware. API design for interfacing with FPGAs.
  • Extensive programming experience in C and an object oriented programming language, preferably C++.
  • Experience in embedded systems design with preemptive, multitasking real-time operating systems (experience with real-time Linux is desirable).
  • Familiarity with software configuration management tools, defect tracking tools, and peer review.
  • Excellent knowledge of real-time system coding techniques, IP protocols, interfaces, and hardware subsystems.
  • Excellent understanding of multi-threaded applications and resource management.
  • Excellent written and verbal communication skills.
Responsibilities
  • Design and implement software for embedded devices and systems, from requirements to production and commercial deployment.
  • Design, develop, code, test, debug and document system software.
  • Review code and system designs.
  • Analyze code for efficiency, stability and scalability.
  • Integrate and validate new product designs.
  • Support software quality assurance and optimize I/O performance.
  • Provide post-production/in-orbit customer support.
  • Interface with hardware design and development engineers.
  • Assess third party and open source software.
Desired Qualifications
  • Experience with products for aerospace applications.
  • Adequate knowledge of reading electronics schematics and component data sheets.
  • Experience with ARM processors and fully-featured microcontrollers.
  • Experience in design and development of a Software Development Kit (SDK).

CesiumAstro creates compact and efficient communication systems specifically for space applications. Their products, such as the Nightingale Series and CommPack, are designed to be small and scalable, meeting high standards for Size, Weight, Power, and Cost (SWaP-C). The Nightingale Series offers a complete system with a small form factor, while the CommPack serves as a low-profile communications payload. Additional products include the SDR-1001, a compact software-defined radio, the SBC-1461, a credit-card-sized single-board computer, and the PCU-1C28, a high-efficiency DC-to-DC converter. CesiumAstro differentiates itself from competitors by providing modular hardware and software that can be easily integrated for mission-specific configurations, catering to clients like NASA. The company's goal is to deliver affordable, high-performance communication solutions for space missions, leveraging the latest semiconductor and manufacturing technologies.

Company Size

201-500

Company Stage

Grant

Total Funding

$208.2M

Headquarters

Austin, Texas

Founded

2017

Simplify Jobs

Simplify's Take

What believers are saying

  • Increased demand for small satellite constellations aligns with CesiumAstro's offerings.
  • Growing interest in dual-use technologies benefits their flexible phased array systems.
  • Expansion of Space Development Agency initiatives offers supply opportunities for CesiumAstro.

What critics are saying

  • Intellectual property theft poses a risk, as seen in the lawsuit against Erik Luther.
  • Emergence of competitors like AnySignal increases competition in space-based radio technology.
  • Reliance on venture capital funding may lead to financial instability if rounds fail.

What makes CesiumAstro unique

  • CesiumAstro offers compact, high-performance communication systems for space applications.
  • Their products set a new standard for Size, Weight, Power, and Cost (SWaP-C).
  • They provide modular hardware and software for mission-specific payload configurations.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

401(k) Retirement Plan

Stock Options

Growth & Insights and Company News

Headcount

6 month growth

-2%

1 year growth

0%

2 year growth

0%
Aviation Week
Mar 16th, 2025
CesiumAstro Secures $55M for Satellite Development

CesiumAstro has secured a $55 million strategic funding increase from AFWERX to advance the development of its Element satellite, a multibeam active phased array satellite. The satellite, equipped with L-band and Ka-band payloads, is designed to enhance the capabilities of the Space Development Agency (SDA).

SatNow
Dec 4th, 2024
CesiumAstro and Axiom Space Collaborates to Develop Advanced Spacesuit Technology

CesiumAstro and Axiom Space collaborates to develop advanced spacesuit technology.

Military & Aerospace Electronics
Oct 2nd, 2024
CesiumAstro announces dual-use Element flexible phased array satellite

AUSTIN, Texas - CesiumAstro in Austin, Texas has unveiled its new satellite platform, Element, designed for use in defense and commercial sectors.

Business Wire
Jun 19th, 2024
Phillip Sarofim’s Trousdale Ventures Leads CesiumAstro Series B+ Funding Round

Trousdale Ventures, a global venture capital firm founded by Phillip Sarofim, announces its role as lead investor in the oversubscribed Series B+ fina

Finsmes
Jun 19th, 2024
CesiumAstro Raises $65M in Series B Funding

CesiumAstro Inc., an Austin, TX-based provider of space communications technology, closed a $65m Series B+ funding round