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Salary
≈ $121k – $222k per year (Estimated)
Location
In office (Austin)
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 Oct 23, 2026. First seen by Alion on Aug 31, 2026. CesiumAstro scores B 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 seeking a highly motivated engineer to lead the development and evolution of our software-defined radio (SDR) and space communications development kits. This role is responsible for delivering a seamless and powerful developer experience across our hardware development kits, board support packages (BSPs), firmware enablement tools, documentation, and source code distribution.

You will operate at the intersection of hardware, embedded software, product design, and customer enablement, ensuring our platforms are robust, intuitive, and ready for mission-critical applications.

JOB DUTIES AND RESPONSIBILITIES

  • Own the end-to-end developer experience for SDR and space communications development kits
  • Define and maintain board support packages (BSPs) for customer firmware development
  • Architect and manage source code distribution strategy (versioning, access control, packaging, licensing)
  • Design intuitive workflows for customer firmware bring-up, integration, and validation
  • Develop and maintain example projects, reference designs, and integration guides
  • Lead documentation strategy including user guides, API references, release notes, and onboarding materials
  • Collaborate with hardware, FPGA, embedded, and applications engineering teams to ensure cohesive platform delivery
  • Gather customer feedback and translate it into actionable product improvements
  • Drive improvements in usability, tooling, and automation
  • Ensure reproducibility, maintainability, and quality across releases

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field
  • 5+ years of experience in embedded systems or FPGA-based platforms
  • Strong experience with board support packages (BSPs), embedded Linux, or RTOS environments
  • Proficiency in C/C++ and familiarity with firmware development workflows
  • Experience with version control systems (Git), CI/CD pipelines, and source code release management
  • Strong understanding of hardware/software interfaces in FPGA or SDR systems
  • Ability to think from the customer’s perspective and design intuitive engineering workflows

PREFERRED EXPERIENCE

  • Direct experience with SDR, RF systems, or space communications hardware
  • Proven track record designing SDKs or developer platforms
  • Familiarity with Yocto, Buildroot, or similar embedded Linux build systems
  • Experience writing technical documentation for external customers
  • Experience supporting external engineering teams or customers
  • Knowledge of export control and secure code distribution practices
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