Staff Software Engineer — Space Systems & Mission Software

Roman Health Pharmacy LLC; Westminster, Northern (CO, KY); Hybrid; USD 158,000 - 189,000; Full time

Benefits offered by this job

Stock options

Health, dental, vision, and retirement

Job summary

CesiumAstro is seeking a Staff Software Engineer to support space-centric programs across the DoD and IC. You will build modern full-stack applications, integrate legacy space software, and develop distributed systems with microservices and cloud-native architectures.

You will mentor engineers, work with mission operators and space system engineers, and contribute to a culture focused on solving hard problems and delivering impactful products.

Qualifications

• Bachelor’s degree in Software Engineering, Computer Engineering, or a relevant field.
• 8+ years of relevant software engineering experience.
• Experience architecting microservices, APIs, message buses, and high-availability systems.
• Experience integrating and testing software for space-based or ground mission systems.
• 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).
• Experience with GitHub, Jira, and Confluence.
• U.S. Citizenship is required for this position along with the ability to obtain a Secret security clearance.

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 and cloud-native architectures.
• Support on-orbit and ground system integration & test, including emulation 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 shape the product.

Skills

Leadership

Distributed systems

Microservices

APIs

DevSecOps

Cloud (AWS/Azure)

GitHub/Jira/Confluence

C++, C#, Rust, Python, or Go

Space/DoD programs experience

Education

Bachelor's degree in Software Engineering or Computer Engineering

Tools

GitHub

Jira

Confluence

Job description

CesiumAstro is seeking a Staff Software Engineer to support space-centric programs across the DoD and IC. You will build modern full-stack applications, integrate legacy space software, and develop distributed systems with microservices and cloud-native architectures.

You will mentor engineers, work with mission operators and space system engineers, and contribute to a culture focused on solving hard problems and delivering impactful products.