Software Engineer I – Ground 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

Use this summary to align your resume positioning with the role.

Demonstrates proficiency in software development for space systems, with a focus on clean coding practices, collaboration in team environments, and adherence to industry standards. Capable of utilizing version control systems and understanding Agile methodologies to enhance project outcomes.

Highest-signal resume keywords

Software DevelopmentVersion Control (Git)Frontend Development (React, Typescript, NodeJS, FastAPI)Agile Methodologies (Scrum, Kanban)U.S. Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Programming LanguagesSoftware Development PrinciplesClean Code PracticesNetworking Concepts (TCP/IP, Sockets)CI/CD PipelinesAutomated Testing FrameworksSpacecraft Operations Concepts

Soft Skills

Problem-Solving SkillsAttention to DetailCommunication SkillsTeam Collaboration

Tools & Technologies

Windows Development EnvironmentLinux/Unix Development Environment

Industry Keywords

Space SystemsTelemetryMission-Operations SoftwareCommand and Control (C2)

Tech Stack

Tools & technologies

LinuxNode.jsReactTCP/IPTypeScriptUnix

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 is required
Preferred: Frontend development experience, preferably using React, Typescript, NodeJS, FastAPI or similar
Preferred: Familiarity with Windows and Linux/Unix development environments
Preferred: Understanding of basic networking concepts (TCP/IP, sockets, client-server architectures)
Preferred: Exposure to CI/CD pipelines and/or automated testing frameworks
Preferred: Exposure to command and control (C2), telemetry, or mission-operations software concepts
Preferred: Basic understanding of spacecraft, satellite, or ground system operations concepts
Preferred: Understanding of Agile software development methodologies such as Scrum or Kanban
Preferred: Strong problem-solving skills and attention to detail
Preferred: Excellent communication skills and ability to work effectively in a fast-paced, 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