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Senior Embedded Software Engineer

In short. Senior Embedded Software Engineer at CesiumAstro: a full-time senior role, on-site in El Segundo, CA. Posted salary: $140K – $168K. Asks for 5+ years of experience. Skills mentioned: Product roadmapping, C++, Linux, C. Posted Nov 4, 2026, checked on the employer's site 59 min ago.

Salary$140K – $168K / year
LocationEl Segundo, CA
FormatOn-site
TypeFull-time
LevelSenior
PostedNov 4, 2026 · 2 hours ago
Checked on CesiumAstro's careers page 59 min ago · via Lever0 views
  • Early applicant
  • Salary listed

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Summary

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you.

Quoted from CesiumAstro's description, not rewritten.

Skills mentioned

About the role

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

The Skylark product line is focused on the rapid design, build, and test of cutting-edge active phased array antennas (AESA) for terrestrial and airborne applications. Current programs span high-power, large-scale ground terminals for missile defense to commercial airline and helicopter connectivity solutions.  

In this position, you will be responsible for low-level and high-level software in CesiumAstro’s products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller systems. Cesium’s goal is to create an out-of-the-box hardware and software experience which enhances our customers’ ability to rapidly integrate our products into their systems.

As a CesiumAstro software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack, including microcontrollers, low-level drivers, board support packages (BSP), end-use applications, and user interfaces. Additionally, the ideal candidate will have experience in software testing and high-reliability qualification, as well as software engineering and software project management practices.

The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.

JOB DUTIES AND RESPONSIBILITIES

  • Designing and implementing software for embedded devices and systems, from requirements to production and commercial deployment.
  • Designing, developing, coding, testing, debugging, and documenting system software.
  • Reviewing code and system designs.
  • Analyzing code for efficiency, stability, and scalability.
  • Integrating and validating new product designs.
  • Supporting software quality assurance and optimizing I/O performance.
  • Providing post-production/in-orbit customer support.
  • Interfacing with hardware design and development engineers.
  • Assessing third-party and open-source software.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • A Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering.
  • A minimum of 5 years of industry experience in software development.
  • Experience in hands-on development and troubleshooting of embedded hardware. API design for interfacing with FPGAs.
  • Experience with products for aerospace applications.
  • Programming experience in C or 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.

PREFERRED EXPERIENCE

  • Adequate knowledge of reading electronics schematics and component data sheets.
  • Experience with ARM processors and fully-featured microcontrollers.
  • Experience in the design and development of a Software Development Kit (SDK).

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills.  Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.  

CesiumAstro is an Equal Opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

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Questions & answers

What is the salary for this Senior Embedded Software Engineer role?
CesiumAstro lists $140K – $168K per year.
Is this job remote?
It is on-site in El Segundo, CA.
How do I apply to CesiumAstro?
Use the Apply button. It opens the application on CesiumAstro's own careers site; no account on Sudo Get Job is needed.
What do Software Engineer jobs pay in Los Angeles, CA?
The median advertised base salary is $175K a year across 663 open listings.