> Markdown version of [/jobs/ext/3950954-staff-software-engineer-mission-software](https://www.wearedevelopers.com/jobs/ext/3950954-staff-software-engineer-mission-software). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer, Mission Software - **Company:** Vast, Inc - **Location:** Long Beach, CA, United States - **Experience:** Expert - **Salary:** $188,600.0 - $267,720.0 - **Contract:** Permanent contract - **Skills:** Automation of Tests, Command-Line Interface, Configuration Management, Database Design, Shell Script, Software Engineering, Software Application Programming, Git, Information Technology, Restful APIs - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/staff-software-engineer-mission-software-long-beach-ca--d96a33f8-691b-48f6-938e-95a02094a335 ## About the Role Software Engineering, Government, Product Demonstration, Manufacturing, Space Operations, Software Engineering, Mentoring, Configuration Management, Product/Service Launch, Help Desk, * Bachelor's degree in engineering, computer science, or STEM discipline; OR 9+ years of professional experience as a software engineer * 7+ years experience writing full-stack web applications * Experience writing and securing REST APIs * Experience with database design, implementation, and security Preferred Skills & Experience: * Proficiency using the command line, writing shell scripts, and an understanding of the GNU/Linux operating system * Experience building applications in the cloud * Enjoys end-user facing roles for support and interfacing with cross-functional teams * Ability to work quickly and accurately in fast-paced environment during critical launch and mission operations * Excellent communicator, both written and verbal * Familiarity with Git * Collaborative mindset * Problem solver with a bias for action ## Description * Develop new and optimize existing software codebases and systems which will be used to test, command, and monitor the Vast family of spacecraft * Mentor junior ground software engineers to help build a strong and capable team * Own the lifecycle of software, including rolling out to operations, managing configurations, maintaining and upgrading, and supporting end-users * Configure and optimize automated testing and deployment systems * Maintain and upgrade the ground systems that control our test sites and communicate with our spacecraft at the launch site and on orbit