Warhead Design Engineer (Castelion)

STEM Boomerang•Rio Rancho, NM

17h

About The Position

Castelion is seeking a hands-on, mission-driven Senior Warhead Design Engineer to lead the design, development, and integration of advanced systems for long-range hypersonic strike vehicles. The role focuses on energetic devices and safe-and-arm mechanisms in a fast-paced, hardware-rich development environment. Castelion’s mission is to restore America’s ability to field advanced weapons at speed and scale through rapid iteration, vertical integration, and scalable manufacturing.

Requirements

B.S. or M.S. in Mechanical Engineering, Aerospace Engineering, or a related field.
At least 5 years of experience in ordnance or energetics design, analysis, and test.
Familiarity with relevant DoD and NASA standards, such as MIL-STD-1316 and MIL-STD-1901A.
Hands-on test experience in high-consequence environments.
Strong communication and documentation skills.
Active or eligible for a U.S. security clearance.

Nice To Haves

Experience working with DoD customers and navigating military qualification processes.
Background in hypersonics, missile systems, or space launch vehicles.
CAD and mechanical analysis experience, such as SolidWorks and FEA tools.
Experience with additive manufacturing tools and capabilities.
Prior experience at a defense startup or fast-moving development organization.

Responsibilities

Lead the design, development, and integration of advanced next-generation systems for long-range hypersonic strike vehicles.

Benefits

Meaningful employee equity for all full-time employees.
Four weeks of paid time off.
Ten company-paid holidays.
Medical plans with 100% of employee coverage and 80% of dependent coverage.
Dental and vision coverage of 90% for employees and 80% for dependents.
FSA and HSA options.
401(k) plan.
Paid parental leave, including up to 10 weeks for birthing parents and up to 4 weeks for non-birthing parents; the description also states eight weeks of paid parental leave for all parents and additional paid pregnancy leave for California employees.
Frequently catered lunches and team meals, plus company-covered meals when extra time or effort is required.
Fully stocked kitchen with unlimited snacks and drinks.
$100 monthly fitness stipend.
Onsite electric vehicle charging.