Sr Software Engineer, Ground Software

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.

The Sr. Software Engineer role involves designing, developing, and testing software applications for space systems and technologies. This advanced position requires deep expertise in multiple programming languages, an advanced understanding of software development principles, and the ability to design, architect, and implement complex software systems. The role includes writing clean, maintainable code, collaborating with team members to understand project requirements, and contributing to the development of innovative software solutions.

Additionally, this position may involve providing technical leadership, mentorship, and making high-level design decisions that significantly impact program cost, schedule, and technical performance.

In this role, you will design, develop, and test software applications for space systems and technologies while writing clean, maintainable code that adheres to best practices and coding standards. You will architect and implement complex software systems to meet project requirements and collaborate with team members to understand project needs, contributing to the development of effective software solutions. Utilizing version control systems such as Git, you will manage code changes and work collaboratively 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 configurations, processes, and procedures for future reference. Staying current with industry trends and advancements in software development and space technologies will be essential. Additionally, you will provide technical leadership, mentorship, and support to team members, making high-level design decisions that have significant impacts on program cost, schedule, and technical performance.

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 +6 years experience).
• Typically, 8+ years of related experience.
• Deep expertise in multiple programming languages and software development principles.
• Ability to design, architect, and implement complex software systems.
• Experience with different software development methodologies such as Agile and Scrum/Kanban.
• Strong leadership skills to lead a team of engineers.
• Ability to make high-level design decisions that will have significant impacts on program cost, schedule, and technical performance.
• The ability to obtain and maintain a U.S. Security Clearance is required.

• Advanced expertise in Python and React with demonstrated ability to architect complex applications.
• Proven experience designing and implementing solutions with Python FastAPI.
• Extensive experience with Kubernetes, Helm, and ArgoCD for enterprise-level application deployments and orchestration.
• Demonstrated mastery of code coverage testing methodologies and…