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Salary
$133k – $161k per year
Location
In office (Westminster)
Seniority
Senior · 5+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
CesiumAstro is an aerospace technology company headquartered in Austin, Texas, and founded in 2017. The company develops and manufactures software-defined active phased array communication systems, including satellites, terminals, and reconfigurable processing units for space, airborne, and ground missions. It serves commercial and defense sectors with high-throughput connectivity solutions and operates manufacturing facilities in the United States to support domestic supply chains.

We are seeking a Senior Software Engineer to support several new, space-centric programs across the DoW and IC. We are looking for engineers who thrive in a fast-paced startup environment and enjoy solving hard problems. Our culture is simple: work hard, solve real problems, build things that matter.

JOB DUTIES AND RESPONSIBILITIES

  • Build modern full-stack applications in support of space mission systems.
  • Integrate and modernize legacy space-related ground and flight software.
  • Develop distributed applications leveraging microservices, cloud-native architectures, and Distributed Ledger Technology (DLT)/consensus frameworks.
  • Support on-orbit and ground system integration & test, including emulation, simulation, and interface validation.
  • Implement DevSecOps pipelines, automated testing, and secure software practices.
  • Develop modern UI/UX interfaces for mission operators and analysts.
  • Work closely with space system engineers, mission integrators, and operations teams.
  • Contribute to a mission-focused engineering culture where your ideas truly shape the product.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor’s degree in Software Engineering, Computer Engineering, or relevant field.
  • 5+ years of relevant software engineering experience.
  • Demonstrated technical leadership across software modernization or distributed systems
  • Experience architecting microservices, APIs, message buses, and high-availability systems
  • Expertise integrating and testing software for space-based or ground mission systems
  • Ability to mentor junior engineers and guide design decisions
  • Experience with DoD/IC programs, ATO processes, or DevSecOps on classified systems
  • Experience developing in C++, C#, Rust, Python, or Go.
  • Experience with SQL/NoSQL database design and integration.
  • Experience with cloud services (AWS, Azure, or GovCloud variants).
  • Experience with GitHub, Jira, and Confluence.
  • U.S. Citizenship is required for this position along with the ability to obtain a Secret security clearance.
  • Ability to travel up to 10%.

PREFERRED EXPERIENCE

    • Existing security clearance (TS/SCI preferred).
    • Experience supporting DoD/IC programs.
    • Experience building software for spacecraft, OPS software, or flight/ground segment integration.
    • Experience with high-performance computing, distributed processing, or real-time systems.
    • Experience with performance tuning and resource-constrained environments.
    • Experience with DevSecOps, IaC, and automated test frameworks.
    • Familiarity with DLT, blockchain, or consensus protocols.
    • Experience with modern UI/UX frameworks (React, Vue, Svelte, Blazor, etc.).
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