Ursa Major · 4 hours ago
Staff GNC Software Engineer
Berthoud, Colorado
Full-time
Onsite
Senior Level, Lead/Staff
$150K/yr - $185K/yrUrsa Major is a company focused on revolutionizing aerospace and defense propulsion systems. The Staff GNC Software Engineer will develop, implement, and validate guidance, navigation, and control algorithms for flight systems, collaborating with various teams to ensure software meets performance and safety requirements.
AerospaceNational SecuritySatellite CommunicationSpace Travel
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, implement, and maintain flight GNC software for aerospace applications
Translate GNC requirements and models into efficient, reliable embedded software
Develop and execute simulations to evaluate guidance, navigation, and control performance
Support system integration, hardware-in-the-loop (HIL), and flight test activities
Analyze test and flight data to assess performance and drive improvements
Contribute to requirements definition, verification, and traceability for GNC functions
Identify and mitigate technical risks through analysis, testing, and peer review
Collaborate cross-functionally with systems, avionics, software, and test engineers
Document designs, analyses, and test results for internal and external stakeholders
Qualification
Required
Bachelor's degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Computer Science, or related field
Professional experience developing GNC algorithms or flight software for aerospace or defense systems
Strong understanding of classical control, estimation, and vehicle dynamics
Experience implementing algorithms in C/C++ or similar embedded languages
Experience with modeling and simulation tools such as MATLAB/Simulink or equivalent
Familiarity with real-time or embedded software development environments
Ability to work effectively across disciplines and communicate technical concepts clearly
Ability to work effectively in teams or individually
US CITIZENSHIP, PERMANENT RESIDENCY, REFUGEE OR ASYLUM STATUS IS REQUIRED
Eligibility to obtain and maintain a U.S. Security Clearance
Preferred
Master's degree in a relevant engineering discipline
Experience with navigation sensors (IMUs, GPS, star trackers, etc.) and state estimation techniques (e.g., Kalman filtering)
Exposure to hardware-in-the-loop testing, flight testing, or operational flight systems
Familiarity with safety-critical or regulated development environments (e.g., DO-178 or equivalent processes)
Experience with Python or similar scripting languages for analysis and tooling
Prior experience supporting aerospace or defense programs through integration and test phases
Benefits
Unlimited PTO - Vacation, Sick, Personal, and Bereavement
Paid Parental and Adoptive Leave
Medical, Dental and Vision Insurance
Tax Advantage Accounts (HSA/FSA)
Employer Paid Short and Long Term Disability, Basic Life, AD&D
Additional Benefit Options Including Voluntary Life and Emergency Medical Transport
EAP Program
Retirement Savings Plan - 401k with Company Match
Equity Grants in the Company
Company
Ursa Major
Ursa Major is an aerospace and defense company that provides a propulsion system for space launch, hypersonics, and national security.
Founded in 2015
201-500 employees
Funding
Current Stage
Late StageTotal Funding
$434.33MKey Investors
Eclipse VenturesExplorer 1 FundBlackRock
2025-11-18Series E· $100M
2025-11-18Debt Financing· $50M
2024-09-19Grant· $12.5M
Leadership Team
Daniel Jablonsky
Chairman and CEO
Recent News
2026-01-16
2025-12-19
Company data provided by crunchbase