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Sierra Space Logo

Software Engineer III

Sierra Space

$126,610 - $174,089
Dec 4, 2025
Centennial, CO, US
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Sierra Space is looking to solve the problem of advancing space-based technology in service of their customers and safeguarding national security by designing, developing, and testing software applications for space systems and technologies.

Requirements

  • Expertise in one to multiple programming languages
  • Advanced understanding of software development principles
  • Ability to design and architect complex software systems
  • Experience with different software development methodologies such as Agile and Scrum/Kanban
  • Proficiency in Python and React
  • Experience with Python FastAPI
  • Experience with Kubernetes, Helm, and ArgoCD for application deployments

Responsibilities

  • Design, develop, and test software applications for space systems and technologies
  • Write clean, maintainable code that adheres to best practices and coding standards
  • Architect and implement complex software systems to meet project requirements
  • Collaborate with team members to understand project needs, contributing to the development of effective software solutions
  • Utilize version control systems such as Git to manage code changes and work collaboratively with team members
  • Participate in code reviews to ensure code quality and adherence to development standards
  • Troubleshoot and resolve software-related issues in a timely manner

Other

  • Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +3 yrs experience)
  • Typically, 5+ years of related experience
  • Ability to obtain and maintain a U.S. Security Clearance is required
  • U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment
  • Excellent communication and teamwork skills