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Software Engineer III (Clearance Required)

Sierra Space
life insurance, paid time off, 401(k)
United States, Colorado, Broomfield
390 Interlocken Crescent (Show on map)
Apr 23, 2025
Sierra Space Careers: Dare to Dream

We honor those that are not afraid to dream big dreams, those that tenaciously chase their dreams even when others say it cannot be done, those that achieve big dreams and change everything. Those are Dreams Worth Chasing.

At Sierra Space we envision a future where humanity lives and works in space, on moons, and on distant planets. Our mission isn't restricted to the few, instead we see a future where all people can choose to live, work, discover and explore beyond our planet. Our company is building a platform in space to benefit life on Earth and together we will alter the course of humanity.

We have a bold mission. We are a bold company. Together, we are an extraordinary team.

About the RoleThe Software Engineer III role involves designing, developing, and testing software applications for space systems and technologies. This advanced position requires expertise in at least one programming language, an advanced understanding of software development principles, and the ability to design and architect 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 mentoring and guiding other engineers, providing technical leadership and support.

Key Responsibilities:

  • Design, develop, and test software applications for space systems and technologies.

  • Write clean, maintainable code following best practices and coding standards.

  • Architect and implement complex software systems to meet project requirements.

  • Collaborate with team members to understand project requirements and contribute to the development ofsoftware solutions.

  • Utilize version control systems such as Git to manage code changes and collaborate with team members.

  • Participate in code reviews to ensure code quality and adherence to development standards.

  • Troubleshoot and resolve software-related issues in a timely manner.

  • Document software configurations, processes, and procedures for future reference.

  • Stay current with industry trends and advancements in software development and space technologies.

  • Mentor and guide other engineers, providing technical leadership and support.

About You

Our mission is driven by the unwavering passion to push the boundaries of what is possible. We seek those who Dare to Dream - to envision the extraordinary and pursue it relentlessly - to join us on this transformational journey.

We're looking for dreamers who align with our values, vision and audacious 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 or master's +3yrs experience).

  • Typically, 5+ years of related experience.

  • Expertise in one to multiple programming languages and advanced understanding of software developmentprinciples.

  • 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.

  • An active Top Secret with SCI eligibility U.S. Security Clearance is required.

Preferred Qualifications:

  • Experience with kernel-level programming.

  • Proficiency in programming languages (Python, C++, Java) and their ecosystems.

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

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

  • 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.).

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

  • Experience with cloud platforms (AWS, Azure, Google Cloud) 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.

  • Familiarity with SysML/UML to create software designs.

  • Experience utilizing and setting up static analysis tools.

  • Specialization in designing and building user interfaces for space-related software applications, with a focus on creating intuitive and user-friendly experiences within the context of the Astro UX Design System.

  • Deep knowledge of user-centered design principles to create interfaces that cater to the needs of space operators, considering factors like mission criticality, data visualization, and complex workflows.

  • Proficiency in front-end technologies such as HTML, CSS, and JavaScript to implement designed interfaces within software applications.

  • Experience programming in Java.

  • Experience working in a Cloud environment.

  • Experience and understanding of interface specification documents (ISDs) - Tier 1-4.

Compensation

Pay Range:

$126,610 - $174,075

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.

Physical/Mental/Emotional Requirements:

  • Frequently walk, sit, stand, climb stairs and steps

  • Frequently repeat same hand, arm, and finger motion many times to include finger and hand dexterity

  • Rarely lifting or carrying up to 20 lbs.

Working Conditions:

  • Rarely exposed to outdoor elements (high/low temperatures, sun, rain/snow, etc.)

  • Rarely exposed to fumes or hazardous chemicals/materials

  • Rarely exposed to loud noises

IMPORTANT NOTICE:

This position requires current/active Top Secret with SCI eligibility 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 meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.

Sierra Space offers annual incentive pay based upon performance that is commensurate with the level of the position.

We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 8%, life insurance, 3 weeks paid time off, and more.

At Sierra Space we are at the very doorstep of unlocking the future and the work in front of us is hard, but it is truly important and meaningful. Achieving our mission requires dedication, relentless pursuit of a dream and an unwavering passion for pushing the boundaries to accomplish what others might believe to be impossible. We seek those who too, Dare to Dream and will join us in a pursuit to achieve the extraordinary.

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 Corporationis 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 withSierra Spaceor at any stage of the recruitment process, pleasecontact us.

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