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Software Engineer II

Sierra Space

Centennial, CO | Louisville, US$106k – $145konsite

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About this role

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.     Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.  

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the Role The Software Engineer II role involves designing, developing, and testing software applications for space systems and technologies. This mid-level position requires a strong understanding of programming languages and software development principles, as well as the ability to work both independently and as part of a team. Responsibilities include writing clean, maintainable code, collaborating with team members to understand project requirements, and contributing to the development of innovative software solutions. This role offers the opportunity to work on cutting-edge projects in the space industry, stay current with industry trends, and advance in a dynamic and collaborative environment.

In this role, you will design, develop, and test software applications for space systems and technologies, writing clean, maintainable code that adheres to best practices and coding standards. You will collaborate with team members to understand project requirements and contribute to the development of software solutions. Utilizing version control systems such as Git, you will manage code changes and work effectively with team members. You will participate in code reviews to ensure code quality and adherence to development standards, troubleshoot and resolve software-related issues in a timely manner, and document software designs, configurations, processes, and procedures for future reference. Staying current with industry trends and advancements in software development and space technologies will be essential, and you will work both independently and as part of a team to deliver high-quality software solutions. About You Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.  

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications: • Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree).

• Typically, 2+ years of related experience.

• Strong understanding of at least one programming language, and general knowledge of others.

• Strong understanding of software development principles.

• Ability to design, code, test, and debug complex software applications.

• Experience with different software development methodologies such as Agile and Scrum/Kanban.

• Ability to work independently and as part of a team.

• The ability to obtain and maintain a U.S. Security Clearance is required.

Preferred Qualifications: • Proficiency in Python and React

• Experience with Python FastAPI

• Experience with Kubernetes, Helm, and ArgoCD for application deployments

• Experience with code coverage testing and writing unit tests

• Experience with Agile or Scrum/Kanban methodologies and tools (JIRA, Confluence).

• Familiarity with scripting languages (Bash, PowerShell) and automation tools (Ansible)

• Strong analytical skills, performance profiling, and debugging complex systems.

• Excellent communication and teamwork skills, and efficient with collaborative tools (GitHub, GitLab, Bitbucket) and development ceremonies (daily standup, backlog grooming, work planning, task estimation, retrospectives, etc.).

• Experience with cloud platforms (AWS) and cloud-native development.

• Familiarity with containerization (Docker) and orchestration (Kubernetes).

• Understanding of network protocols, security principles, and secure coding practices.

• Ability to write and maintain technical documentation.

• Strong problem-solving skills and experience with CI/CD pipelines and automated testing.

• Experience with continuous integration and automated test.

• Knowledge of and experience implementing Software Design Patterns.

• Knowledge of database management systems (MySQL, PostgreSQL, MongoDB).

• An active Top Secret U.S. Security Clearance is preferred.

    Compensation :

Pay Range: $105,534.00 - $145,109.25 Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.

IMPORTANT NOTICE: This position requires the ability to obtain and maintain a U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance.  The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Elevate Your Career At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meani

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