Software Engineer III

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.

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.

• 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.

• Expertise in one to multiple programming languages and 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.

• Strong problem-solving skills.

• Ability to mentor and guide other engineers.

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

• 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

Pay Range:

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.

At Sierra Space we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration where teamwork ignites breakthrough innovations. 

 
We also offer a generous benefit package including medical dental and vision plans 401(k) with 150% match up to 6% life insurance 3 weeks paid time off and more.

Sierra Space is an industry-leading space and defense technology company providing satellites spacecraft and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation protect space-based assets and enable space exploration.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space and we will not be obligated to pay any referral fees.

Sierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment with Sierra Space or at any stage of the recruitment process please contact us.

What We Do

Securing The Freedom of Operations Headquartered in Colorado Sierra Space is a mission-proven Defense Tech company delivering satellite platforms critical subsystems reusable spaceplanes hypersonic technologies propulsion systems and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space Sierra Space is trusted by U.S. National Security Civil customers and global allies. Our technologies safeguard our nation sustain human exploration in space and ensure the freedom of operations beyond Earth. Sierra Space is defining the new era of Space Defense strengthening deterrence today and preserving freedom of action for generations to come.

Why Work With Us

At Sierra Space you’ll find a supportive respectful and upbeat culture where your opinions matter and your personal contributions have impact. If you’re thinking about your own next frontier we’d love to help you explore it.

Gallery