Sr Principal Software Engineer Software

Sr Principal Software Engineer Lead software engineering team to design, develop, and deliver space‑grade software systems

Location:

Louisville, Colorado, United States

Compensation: $206, USD / year

Job Tags:
Software

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. Principal Software Engineer role involves designing, developing, and testing software applications for space systems and technologies. This advanced position requires extensive 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 involves leading a team of engineers, making high‑level design decisions, and driving the strategic direction of the software engineering team. The role also requires project leadership, strong problem‑solving skills, and effective communication with non‑technical stakeholders.

• Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +13 yrs experience).
• Typically, 15+ years of related experience.
• Extensive expertise in multiple programming languages and software development principles.
• Ability to design, architect, and implement complex software systems.
• Strong leadership skills to lead a team of engineers.
• Ability to make high‑level design decisions.
• Ability to drive the strategic direction of the software engineering team.
• Demonstrated project leadership, strong problem‑solving skills, and effective communication with non‑technical stakeholders.
• Ability to architect and oversee the technical aspects of large‑scale projects, innovate, and make decisions on the adoption of new technologies and methodologies.
• Experience with different software development methodologies such as Agile and Scrum/Kanban.
• The ability to obtain and maintain a Secret U.S. Security Clearance is required.

• Advanced degree in Computer Science, Software Engineering, or a related field.
• Extensive experience with kernel‑level programming and system optimization.
• Mastery in programming languages (Python, C++) and their ecosystems.
• Expertise in scripting languages (Bash, Power Shell, Perl) and automation tools (Ansible, Puppet, Chef, Terraform).
• Proven experience with Agile or Scrum methodologies and tools (JIRA, Confluence, Jenkins).
• Exceptional analytical skills, performance profiling, memory management, and debugging.
• Excellent communication and collaboration skills, with proficiency in collaborative tools (Git Hub, Git Lab, Bitbucket).
• Demonstrated ability to lead large‑scale software projects from inception to completion.
• Strong strategic thinking and decision‑making skills.
• Advanced knowledge of database management systems (MySQL, Postgre
  
  SQL, Mongo
  
  DB).
• Extensive experience with cloud platforms (AWS, Azure, Google Cloud) and cloud‑native development.
• Proficiency with containerization (Docker) and orchestration (Kubernetes).
• In‑depth understanding of network protocols, security principles, and secure coding practices.
• Ability to write and maintain comprehensive technical documentation.
• Extensive experience with CI/CD pipelines and advanced automated testing frameworks.
• Proven track record of mentoring and guiding junior engineers, providing technical leadership.
• Experience with continuous…