Senior Software Engineer

Sierra Space
July 22, 2021
Louisville, CO
Job Type


Come 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


  • Bachelor's of Science degree in Computer Science, Software Engineering or other related discipline and typically 10 or more years of relevant experience

  • 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

  • Experience standing up Embedded SW Development Environments

  • Experience with creating a Board Support Package

  • Ability to recognize inefficiencies in software development or processes and work with FSW Lead to improve

  • Mentoring and leading younger engineers through technical challenges

  • Previous experience with large Space Design Programs or Space Flight Operations

  • Deep Knowledge of pitfalls and that cause performance issues in embedded systems


  • Experience with software tools for requirements tracking, code reviews, static analysis, library and artifact repository, and automated build

  • Knowledge of software development methodologies such as Agile/Scrum, Waterfall, and Spiral

  • Proficient with data structures

  • The ability to obtain and maintain a Security Clearance may be required. Learn more about the background check process for Security Clearance


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 to learn more about Sierra Space, its business areas, capabilities, programs, products and services.

Estimated Starting Salary Range: $117,040.88 - $160,931.20

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

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.

Sierra Space Corporation is an Equal Opportunity Employer

– Minority / Female / Disability / Veteran, or any other protected status

pursuant to applicable local, state or federal law, ordinance or regulation.

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