Senior Guidance Systems Engineer

Castelion Corporation•Rio Rancho, NM

1d•Onsite

About The Position

We are seeking a Senior Guidance Engineer to develop guidance solutions for Castelion's long-range hypersonic strike vehicles. This role is critical in shaping the flight performance of our hypersonic systems from concept through flight tests and operational deployment. You will work hands-on with multidisciplinary engineering teams to design, analyze, characterize, and validate guidance algorithms in a rapid hardware-driven environment.

Requirements

Bachelor's, Master's, or PhD in Aerospace Engineering or related field
3+ years of experience in guidance system design, analysis, and validation for high-speed vehicles (missiles, rockets, hypersonic glide vehicles, or maneuvering re-entry systems)
Demonstrated ability to field guidance systems for DoD or similar programs
Strong background in trajectory/flight simulation (3DOF and 6DOF) and real-time trajectory generation/optimization methods
Experience with onboard trajectory generation approaches
Familiarity with the application of AI/deep learning to trajectory optimization
Proficiency in flight/trajectory analysis tools such as TAOS, POST, or equivalent
Strong problem-solving mindset, thriving in a fast-paced, hardware-rich, high flight cadence environment
U.S. citizenship is required
Ability to obtain and maintain a U.S. government–issued security clearance

Responsibilities

Lead the design and optimization of hypersonic flight vehicle guidance methods to maximize performance, stability, and maneuverability in atmospheric and space environments
Conduct trajectory and flight simulations to evaluate guidance system performance, identify improvement opportunities, and validate design decisions
Analyze and enhance the inertial and active guidance of Castelion's long-range hypersonic systems, ensuring robust performance under variable environmental conditions
Work closely with teams in avionics, seeker, flight software, and GNC to ensure seamless vehicle integration
Help define and execute test plans for subscale and full-scale flight tests, translating results into system-level design improvements
Mentor and guide junior engineers in best practices
Partner closely with program leadership to make technical trades aligned with mission success

Benefits

Meaningful long-term equity
Four (4) weeks of paid time off
Ten (10) company-paid holidays
Comprehensive health benefits - including 100% employee-covered medical and strong dependent coverage
Dental plans
Vision plans
Paid parental leave
$100 monthly fitness stipend
Onsite EV charging
Catered meals
Company-covered food during high-demand periods
Fully stocked kitchen