Louisville, Colorado

Want to build a Spaceplane? Design and develop flight software for the Dream Chaser Spaceplane!

Be part of an amazing team, where you’ll be directly responsible for developing flight software that will power missions to the International Space Station and beyond! The products you develop will go to space AND help shape the future of Spaceflight.

We are truly one team with one goal. Come make history with us!

Be a part of an amazing team designing and developing Flight Software for the Dream Chaser Spaceplane! In this role, you will be directly responsible for developing flight software that will power missions to the International Space Station and beyond. The products you develop will not only go to space, be will be a part of shaping the future of Spaceflight. We are truly One Team, with One Goal. Come make history with us.

A subsidiary of Sierra Nevada Corporation (SNC), Sierra Space builds and delivers the future of space transportation, destinations and infrastructure, offering “space-as-a-service” in support of the new space economy. Leveraging breakthrough technologies including the Dream Chaser® spaceplane, also known as America’s Spaceplane®, and expandable LIFE™ habitat, Sierra Space offers turnkey solutions that are modular, reusable and scalable. Sierra Space brings life to space, and space to life.  Learn More about Sierra Space

Primary Responsibilities:

This position supports the Flight Software Integration Lead through the following:

  • Design and Implement complex, safety critical and mission critical Flight Software that will manage the entire Dream Chaser through every aspect of a mission from lower level Command and Data Handling  (CD&H) to Automation and Fault Detection, Isolation and Recovery (FDIR).

  • Develop and execute comprehensive tests at the Unit, Integrated, and Functional Test level to ensure compliance to requirements and adherence to design.

  • Integrate various flight software units, components and data products to ensure a robust software system.

  • Develop Software Documentation including but not limited to: Software Requirements Specification, Software Design Descriptions, Software UML Models, Software User Guides, Software Test Plans and Software Test Descriptions.

  • Coordinate and collaborate across multi-discipline/multi-organizational teams to understand key aspects of various subsystems, safety requirements and operational requirements.

  • Support Hardware-Software Integration Team, Simulation Team and Flight Controllers through Joint Tests with NASA, Qualification of the Software, training of Flight Controllers and support during missions.

  • Work within well-defined processes and strong change management discipline to ensure accountability and tracking for all software changes working towards certification with NASA.

  • Work products through multiple Agile Scrum teams ensuring accountability and that commitment are met.


  • Bachelor's of Science degree in Computer Science, Software Engineering or other related discipline and typically 3 or more years of relevant experience

  • Experience managing engineering teams on a Large Spaceflight Program (Dream Chaser)

  • Experience managing Software Change Control on a Large Spaceflight Program (Dream Chaser)

  • Experience working with NASA Software Safety, Safety Review Panel and Computer Safety Panels to relay design concepts and work issues to resolution.

  • Experience leading Integrated Software Designs through PDR, CDR and various design reviews on a Large Space Craft Program (Dream Chaser)

  • Experience leading integrated multi-discipline teams to investigate and solve complex design and performance issues on a Spacecraft Software System (FTFC Dream Chaser)

  • Experience working with Program Management on a Large Spacecraft Program to solve complex issues including technical, schedule and budget.

  • Experience working through complex architectural, performance and testing issues with Automation and FDIR Sequencing Engine a Large Spaceflight Program (Dream Chaser)


  • Execute the entire Software Design Lifecycle

  • Experience with embedded C/C++

  • Understand memory, timing and throughput constraints in an embedded system and ensure robust and sound designs that address these issues

  • Experience using SysML/UML to create Software Designs

  • Experience Testing and debugging on both Software in the Loop (SITL) and Hardware in the Loop (HITL, on target platform) environments

  • Experience with Configuration Management platforms (GIT, SVN)

  • Experience developing on a Real Time Operating System (VxWorks preferably)

  • Understanding or ARINC 653

  • Understanding of MIL-STD-1553, Ethernet, SPI and techniques for efficient memory storage and retrieval.

  • Experience with Continuous Integration and Automated Test

  • Experience performing MCDC Coverage Testing

  • Experience and knowledge of Software Design Patterns

  • Knowledge of Python

  • Ability to present complex and safety critical SW designs to peers and customers

  • Experience Utilizing and setting up Static Analysis Tools


To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.

With 30+ years of proven spaceflight heritage, Sierra Space has provided more than 4,000 space systems, subsystems and components to customers worldwide, and participated in more than 500 missions to space, including to Mars. The company has technology in production and in development to enable space habitats for short- and long-duration space travel, a fleet of Dream Chaser spaceplanes, and the first free-flying commercial space station.  Please visit www.sierraspace.com to learn more about Sierra Space, its business areas, capabilities, programs, products and services.

Estimated Starting Salary Range: $88,499.72 - $121,687.12

Sierra Space offers 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, tuition reimbursement, and more.

At Sierra Space, our mission is to dream, innovate, inspire and empower the next generation to transform humanity through technology and imagination. As an Equal Opportunity Employer, we welcome our employees to bring their whole selves to their work. Sierra Space is committed to fostering an inclusive, accepting, and diverse environment free of discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Contributions to Sierra Space come in many shapes and styles, and we believe diversity in our workforce fosters new and greater ways to dream, innovate, and inspire.

Louisville, Colorado

Sierra Nevada Corporation (SNC) provides customer-focused technology solutions in the areas of aerospace, aviation, electronics and systems integration, with applications including telemedicine, navigation and guidance systems, threat detection and security, scientific research and infrastructure protection. Founded in 1963 and headquartered in Sparks, Nevada, SNC operates under the leadership of owners, CEO Fatih Ozmen and President Eren Ozmen, with a global workforce supporting its customers

Sierra Nevada Corporation and owners Fatih and Eren Ozmen have been honored by numerous organizations as a result of their successful leadership, including: World's Top 10 Most Innovative Companies in Space, Fast Company America's Fastest-Growing Private Companies, Inc. Tier 1 Superior Supplier for U.S. Air Force Aerospace Company of the Year Top Women-Owned U.S. Government Contractor Fastest Growing Women-Owned Company in North America Aviation Entrepreneurs of the Year Living Legends of Aviation Most Influential Turkish-American Woman, No. 2 TurkOfAmerica Top 10 Most Influential Turkish Americans, TurkOfAmerica Top Woman-Owned Firm for excellence in using innovative information technology solutions Women Role Model of the Year Distinguished Business of the Year Honorary Doctorate of Science -- University of Nevada, Reno (2016) Family Owned Business Award -- Nevada Business Magazine As a tribute to the Ozmen's exceptional leadership, successful vision and extraordinarily generous employee benefits, SNC was recognized by its employees as: Reno-Tahoe's Best Places to Work Denver's Best Places to Work Florida's Best Companies to Work

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