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Date Posted: 2026-08-31 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Activ…
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Cyber & Cross Domain Solution (CDS) Systems Engineer
El Segundo, California, United States · Hybrid
$148k–$200k/yr
Senior+
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$140k–$168k/yr
Full-time
bachelor degree, postgraduate degree
Company stock options, Health insurance, Dental insurance, Vision insurance, HSA, FSA
Posted 11d ago
~40 hrs/week
Responsibilities
The engineer will design, develop, and test low-level and high-level software for embedded systems across the entire product lifecycle. Responsibilities include collaborating with hardware teams, performing code reviews, and providing post-production support for aerospace products.
Requirements
Candidates must hold a Bachelor or Master of Science degree in Computer Science, Electrical Engineering, or Computer Engineering. A minimum of 5 years of industry experience in embedded software development and proficiency in C or C++ are required.
Full job description
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.
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.
\nJOB 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.
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).
\n
$140,000 - $168,000 a year
\n
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.
Related keywords
Embedded SoftwareAerospaceLinuxMicrocontrollersFPGACC++Real-time Operating SystemsBSPSDKARM ProcessorsSoftware Development Life CycleHardware IntegrationConfiguration ManagementDebuggingSystem Design
CesiumAstro builds and delivers space communications systems—at scale.
We design, engineer, and manufacture software-defined radios, phased array payloads, and fully integrated satellites that enable real-time, multi-beam, multi-user connectivity across space-based and airborne networks. Our systems are built for mission-critical applications and designed to adapt on orbit.
As a vertically integrated manufacturer, CesiumAstro brings RF, digital processing, and satellite integration together under one roof, enabling rapid production, consistent performance, and repeatable delivery.
Headquartered in Austin, Texas, with operations in Colorado, California, the United Kingdom, Germany, and Japan, CesiumAstro is building the communications infrastructure modern missions depend on.
We’re hiring. Explore open roles at CesiumAstro.com/careers.
Offices: 13215 Bee Cave Parkway, Suite A-300, Austin, Texas 78738, US · 20 Oskar-von-Miller-Ring, Munich, 80333, DE · 10355 Westmoor Drive, Suite 100, Westminster, Colorado 80021, US · 101 Continental Boulevard, Suite 400, El Segundo, California 90245, US · 13418 Galleria Circle, Suite H-100, Austin, Texas 78738, US
Space TravelMilitarySatellite CommunicationEmbedded SystemsDronesAerospace
Based on 318 listings with disclosed salaries, most software jobs in El Segundo, CA pay between $99k–$220k per year. Individual offers vary with seniority, company size, and specialization.
How many Software jobs are open in El Segundo, CA right now?
There are currently 348 open software positions in El Segundo, CA listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Software roles in El Segundo, CA?
Companies currently hiring include Boeing, The Aerospace Corporation, CHAOS Industries, Varda Space Industries, RTX, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Software jobs in El Segundo, CA?
Yes — 59 of the 348 open software positions offer remote or hybrid work (11 remote, 48 hybrid).
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