Senior Staff Software Engineer - Fullstack
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.
About the role
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 as a Staff Software Engineer to support several new, space-centric programs across the DoD 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.
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.
Requirements
- Bachelor’s degree in Software Engineering, Computer Engineering, or relevant field.
- 12+ 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 Qualifications
- 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.).
Pay
$184,000 - $225,000 a year
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.
Benefits
- Full-time employment offers include company stock options.
- Generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.