Full-Time

Senior Flight Software Engineer I

Confirmed live in the last 24 hours

CesiumAstro

CesiumAstro

201-500 employees

Develops compact communication systems for space

Compensation Overview

$120k - $150k/yr

Senior

No H1B Sponsorship

El Segundo, CA, USA

The position is onsite in El Segundo, CA.

US Citizenship Required

Category
Space & Rocket Engineering
Aerospace Engineering
Software Engineering
Required Skills
TCP/IP
Python
C/C++
Requirements
  • Bachelor of Science (BS), Master of Science (MS), or Doctorate (PhD) degree in Software or Computer Engineering from an accredited university or institution.
  • Minimum of 4 years of industry experience in spacecraft software development. A Master's degree may count as two years of experience.
  • Experience in hands-on development and troubleshooting of software systems and hardware (such as motors, power distribution units, etc.).
  • Experience with C, C++, Python, or other languages in an aerospace context.
  • A strong understanding of space missions from conception through flight and disposal.
  • Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, sequencing, and operations.
  • Experience with spacecraft failure in post-CDR testing and on-orbit, root cause analysis, and recovery.
  • Experience with design for reliability, spaceflight redundancy, and fault detection, identification, and recovery.
  • Space software experience with attitude dynamics, coordinate frame transformations, vector mathematics, radiative heat transfer, spacecraft propulsion, space communication systems, and power systems.
  • Experience with communication protocols such as TCP/IP or UDP for use in software-in-the-loop and hardware-in-the-loop lab development and for use in space flight.
  • Experience in interfacing a variety of open-source software to create an integrated system.
  • Embedded software experience, particularly for space missions.
  • Ability to implement physical first principles as scripts or spreadsheets.
  • Experience with processes for software release, revisioning, and configuration.
  • Familiarity with configuration management tools, defect tracking tools, and peer review.
  • Experience with trades and processes for handling radiation tolerance in software on automotive grade parts.
  • Familiarity with systems for continuous integration, test, and delivery.
  • Excellent understanding of multi-threaded applications and resource management.
  • Excellent written and verbal communication skills.
Responsibilities
  • Design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers.
  • 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
  • CubeSat and SmallSat experience including LEO, MEO, GEO, and beyond.
  • Hands-on experience with spacecraft instrumentation, subsystems, and test labs.
  • Experience with JPL F’, NASA cFS, and other commercial space software frameworks.
  • Experience with ground system software engineering for space missions.
  • Experience in a team leadership role on a space software program.
  • Experience in other non-space safety critical software programs.
  • Experience with network security.

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 company also offers a range of products including a software-defined radio, a credit-card-sized single-board computer, and a compact DC-to-DC converter. CesiumAstro differentiates itself by providing modular hardware and software that can be customized for specific mission needs, catering to clients like NASA. Their goal is to deliver affordable, mission-ready communication solutions by leveraging advanced 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

1%

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