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Salary
$133k – $160k per year
Location
In office (Westminster)
Seniority
Senior · 5+ years exp
Visa
H-1B filings in 12 months: 2
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 9, 2026. CesiumAstro scores A on the Alion truth index.

Overview
Company
Impact
Profile match
CesiumAstro is an American company founded in Austin in 2017 that builds active phased array communications payloads for satellites, aircraft and defence platforms. Its systems are software-defined and electronically steered, which lets a moving platform track several links at once without mechanical antennas, and the company manufactures them in house rather than integrating third-party subsystems. It sells mainly to defence customers and satellite operators, has raised venture funding from investors including Airbus Ventures and Lightspeed, and operates facilities in Austin, Colorado and the United Kingdom.

We are looking to add a Senior Embedded Software Engineer to our team. In this role you will develop, integrate, and validate embedded software supporting products and platforms. This role applies established software engineering principles to develop firmware solutions, optimize embedded software performance, and resolve complex software and hardware integration challenges from concept through verification and production.

Working cross-functionally with software, electrical, systems, hardware, quality, and test engineering teams, this role supports multidisciplinary engineering efforts, contributes to technical investigations, and promotes continuous improvement.

JOB DUTIES AND RESPONSIBILITIES

  • Develop embedded software, firmware, device drivers, middleware, and real-time software applications supporting product development.
  • Conduct software implementation, debugging, code integration, unit testing, software optimization, and feature development activities.
  • Evaluate software requirements, interface specifications, architecture documentation, source code, and design documentation to support implementation.
  • Develop and conduct software verification, validation, debugging, integration, and troubleshooting activities.
  • Analyze software test results, hardware interfaces, system behavior, performance data, and engineering observations to resolve technical issues.
  • Recommend software updates, defect fixes, engineering changes, and corrective actions to improve software reliability, maintainability, and performance.
  • Collaborate with software, electrical, systems, hardware, quality, and test engineering teams throughout software development and integration.
  • Prepare software documentation, test procedures, technical reports, engineering change documentation, software release documentation, and interface documentation.
  • Participate in code reviews, design reviews, technical investigations, hardware integration, customer support activities, and software release initiatives.
  • Evaluate embedded software engineering methods, development practices, coding standards, software architectures, and development processes to identify improvement opportunities.
  • Validate compliance with engineering standards, company procedures, customer requirements, and software development best practices.
  • Contribute to continuous improvement initiatives that strengthen software quality, reliability, maintainability, engineering efficiency, and product performance.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor's degree in computer science, software engineering, computer engineering, electrical engineering, or a related technical field with 5-8 years of related experience, or Master's degree with 3-6 years of related experience, or PhD with 0-3 years of related experience in embedded software development, firmware development, real-time systems, hardware-software integration, or a related technical discipline.
  • Strong knowledge of embedded software principles, firmware development, SDLC, and system architectures.
  • Experience with C/C++, Python, version control, debugging tools, and embedded IDEs.
  • Knowledge of RTOS, microcontrollers, hardware interfaces, communication protocols, and peripheral integration.
  • Understanding of software verification, testing, documentation, coding standards, configuration management, and CI practices.
  • Knowledge of hardware integration, software optimization, defect tracking, embedded debugging techniques, and system-level troubleshooting.
  • Proficiency with Microsoft Office Suite including Outlook, Word, Excel, PowerPoint, and Teams.
  • Embedded software development tools, e.g. C, C++, Python, Git, Visual Studio, Eclipse, JTAG debuggers, or equivalent applications.
  • Engineering documentation, project management, and collaboration tools, e.g. Jira, Confluence, Azure DevOps, or equivalent applications.
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