Senior Warhead Design Engineer

Castelion Corporation • Torrance, CA

2d

About The Position

Castelion is designing and building next-generation hypersonic weapon systems that restore stability through credible deterrence. We are seeking a hands-on, mission-driven Senior Warhead Design Engineer to lead the design, development, and integration of ordnance systems across our hypersonic vehicles.
This is a high-impact role for someone with deep expertise in energetic devices and safe & arm mechanisms, who thrives in a fast-paced, hardware-rich development environment.

Requirements

• B.S. or M.S. in Mechanical Engineering, Aerospace Engineering, or related field.
• 5+ years of experience in ordnance or energetics design, analysis, and test
• Familiarity with relevant DoD and NASA standards (e.g., MIL-STD-1901A, RCC 319, etc.).
• 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 (e.g., SolidWorks, FEA tools).
• Prior experience working at a defense startup or fast-moving development organization.

Responsibilities

• Own the design, development, and qualification of ordnance systems, including: Initiators, detonators, transfer charges, explosive bolts, safe & arm devices.
• Define requirements and interface specifications across mechanical, electrical, and software boundaries.
• Lead supplier engagement, component selection, and build-to-print efforts with a focus on manufacturability, cost, and performance.
• Drive development test planning, execution, and analysis for ordnance systems (including arena testing, function testing, and environmental qualification).
• Work closely with systems, propulsion, and GNC teams to ensure ordnance components integrate safely and effectively into the full weapon system.
• Support FMEA, fault-tree analysis, and safety case development.
• Own documentation and compliance to MIL-STD-1901A, AFSPCMAN 91-710, and other relevant standards.

Benefits

• All employees are granted long-term stock incentives as part of their employment at Castelion.
• All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers four weeks of paid time off per year.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior