Sr. Principal Software Engineer (Software Architect & Tech Lead) (Greater Denver Area, CO)

| Greater Denver Area
Employer Provided Salary: $159,430-$219,216 Annually
Salary data is provided by the employer. Please note this is not a guarantee of compensation.
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Join 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, but they will also be a part of shaping the future of Spaceflight. We are truly One Team, with One Dream. Come make history with us.
Sierra Space-based in Louisville, CO with operations in Madison, WI, Durham, NC, Huntsville, AL, Houston, TX, and Kennedy Space Center, FL-designs and manufactures the Dream Chaser spaceplane and other advanced spacecraft, commercial space destinations, satellites, propulsion and environmental systems, spacecraft subsystems and components for the U.S. government (including NASA), commercial customers, and international organizations. Learn more about Sierra Space
Primary Responsibilities:
  • Lead technical development for software development across a large integrated team.
  • Work with stakeholders and program management to streamline and optimize development.
  • Design and Implement complex, safety and mission critical Flight Software that will manage the Dream Chaser through every aspect: from low 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.

Must-haves:
  • Bachelor's of Science degree in Computer Science, Software Engineering or other related discipline and typically 16 or more years of relevant experience
  • Advanced capabilities using Computer Aided Engineering tools
  • Thorough Understanding of engineering principles and practices
  • Progressive experience working in multi-disciplinary teams

Preferred:
  • Experience leading engineering teams on a Large Spaceflight Program
  • Experience with embedded C/C++
  • Understanding of memory, timing and throughput constraints in an embedded system and ensure robust and sound designs that address these issues.
  • Experience with Configuration Management platforms (GIT, SVN)
  • Experience developing on a Real Time Operating System (VxWorks preferably)
  • Experience with Continuous Integration and Automated Test
  • Experience and knowledge of Software Design Patterns
  • Experience leading integrated multi-discipline teams to investigate and solve complex design and performance issues on a Spacecraft Software System
  • Experience leading Integrated Software Designs through PDR, CDR, and various design reviews on a Large Space Craft Program
  • 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.
  • Understanding or ARINC 653
  • Understanding of MIL-STD-1553, Ethernet, SPI and techniques for efficient memory storage and retrieval
  • Experience performing MCDC Coverage Testing.
  • 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 managing Software Change Control on a Large Spaceflight Program
  • Experience working with NASA Software Safety, Safety Review Panel and Computer Safety Panels to relay design concepts and work issues to resolution.
  • 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

IMPORTANT NOTICE:
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.
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

Estimated Starting Salary Range: $159,430.15 - $219,216.46
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.
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.
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Technology we use

  • Engineering
  • Sales & Marketing
    • C#Languages
    • C++Languages
    • JavaLanguages
    • PythonLanguages
    • CLanguages
    • HTMLLanguages
    • BashLanguages
    • DOORSDatabases
    • WordpressCMS
    • Sprout Social CMS
    • DocuSignCRM
    • MailChimpEmail
    • StaffbaseEmail

Location

Based in Louisville, CO with operations in Broomfield, CO, Madison, WI, Durham, NC, Huntsville, AL, Houston, TX, and Kennedy Space Center, FL. Our offices in Colorado are close to Boulder, Broomfield and Denver.

An Insider's view of Sierra Space

What are some social events your company does?

The Young Professionals Group holds social events including happy hour, paint n sip, axe throwing, hiking, ice skating, first time home-buyer info session, ugly holiday sweaters, matching Halloween costumes, picnics, game nights, volunteer events, joint events with other local companies and organizations, and more!

Maggie

Systems Engineer

What projects are you most excited about?

The Dream Chaser spaceplane is an incredibly exciting project! This vehicle – with a cargo and a crew variant – will revolutionize space travel. It will carry astronauts to destinations in Low Earth Orbit, it will supply cargo and science experiments to the ISS and the Orbital Reef space station, and it can land at many spaceports around the world!

Miguel

Director Engineering, 4800 - DC100

How does the company support your career growth?

Through my career, my management has continually ensured that I am working on projects that I found interesting, challenging, and enjoyable. My management has my best interests in mind and they want me to be successful. Additionally, my managers have repeatedly fought for my promotion and empowerment to greater responsibility.

Chris

DCCS Structures Engineer

What are Sierra Space Perks + Benefits

Sierra Space Benefits Overview

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.

Culture
Volunteer in local community
Friends outside of work
Eat lunch together
Intracompany committees
Open door policy
Team owned deliverables
Team based strategic planning
Group brainstorming sessions
Open office floor plan
Diversity
Documented equal pay policy
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Wellness Programs
Onsite Gym
Mental Health Benefits
Retirement & Stock Options Benefits
401(K)
401(K) Matching
Performance Bonus
Child Care & Parental Leave Benefits
Generous Parental Leave
Family Medical Leave
Company sponsored family events
Vacation & Time Off Benefits
Generous PTO
Paid Holidays
Perks & Discounts
Casual Dress
Parking
Relocation Assistance
Professional Development Benefits
Job Training & Conferences
Tuition Reimbursement
Lunch and learns
Promote from within
Mentorship program
Online course subscriptions available

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