Software Engineer I – Flight Software

Sierra Space

. Design, develop, and test software applications for space systems and technologies .

Posted 10/7/2026full-timeCentennial • Colorado • United StatesJuniorMid-Level💰 $83,999 - $115,498 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates proficiency in software development for space systems, with a focus on writing clean, maintainable code and collaborating effectively within a team. Familiarity with version control systems and the ability to troubleshoot software-related issues are essential.

Highest-signal resume keywords

Software DevelopmentPythonC++GitAgile

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software Development PrinciplesClean Code WritingTroubleshootingCode Review ParticipationDocumentation

Soft Skills

Problem-SolvingAttention to DetailTeam CollaborationCommunication

Tools & Technologies

Version Control Systems

Certifications & Qualifications

U.S. Security Clearance

Industry Keywords

Space TechnologiesEmbedded SystemsAgileScrumKanban

Tech Stack

Tools & technologies

PythonC++

About the role

Key responsibilities & impact

Design, develop, and test software applications for space systems and technologies
Write clean, maintainable code adhering to best practices and coding standards
Collaborate with senior engineers to understand project requirements and complete assigned tasks
Use version control systems such as Git to manage code changes
Participate in code reviews to ensure code quality and compliance with development standards
Troubleshoot and resolve software-related issues
Document software designs, configurations, processes, and procedures
Stay current with industry trends and advancements in software development and space technologies

Requirements

What you’ll need

Bachelor's degree in a related field or equivalent work experience in lieu of degree
Typically 0–2 years of experience
Basic understanding of one or more programming languages and software development principles
Ability to write clean, maintainable code
Familiarity with version control systems such as Git
Ability to work in a team environment
Ability to obtain and maintain a U.S. Security Clearance
U.S. Citizenship status required for active U.S. Security Clearance
Preferred: experience in embedded systems or software development through coursework, internships, or employment
Preferred: familiarity with Python or C++
Preferred: understanding of Agile or Scrum/Kanban
Preferred: strong problem-solving skills and attention to detail
Preferred: excellent communication skills and ability to work effectively in a team environment

Benefits

Comp & perks

Medical, dental, and vision plans
401(k) with 150% match up to 6%
Life insurance
3 weeks paid time off
Personal and professional development opportunities
Collaborative work culture
Reasonable accommodations for applicants with disabilities