Deputy Program Engineer, Hypersonic Strike

Castelion Corporation•Torrance, CA

2d•Onsite

About The Position

Castelion is rapidly developing and delivering advanced defense systems at a time when execution and technical excellence matter more than ever. We move fast, focus hard, and build real capability—not just concepts. This is a rare opportunity to join at an early stage where your work will directly shape critical systems, influence major technical decisions, and have immediate real-world impact.

Requirements

Bachelor's degree in Mechanical, Aerospace, Electrical Engineering, or related field.
8+ years of hands-on hardware design, testing, and support
Demonstrated project management and communication skillset across 100+ organizations
Demonstrated capability to evaluate system-level risk and develop test strategies aligned with and approved by the customer.
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Ability to obtain and maintain a U.S. government–issued security clearance is required.

Nice To Haves

System integration and test for electromechanical hardware and software
Flight vehicle test experience, first flights, rockets
Deep ownership mindset – reliably deliver extreme outcomes

Responsibilities

Own the objectives, success criteria, schedule, and vehicle configuration for each development test. Align these with program leadership and technical stakeholders.
Own the integrated technical configuration for each development vehicle and mission, including top-level vehicle CAD, interfaces, configuration baselines, and design release status.
Identify and resolve cross-functional technical issues, interface conflicts, and configuration gaps that could impact vehicle performance, build, test, or flight.
Track and communicate vehicle technical maturity, schedule, critical-path risks, and readiness to the broader organization and program leadership.
Lead vehicle and mission readiness reviews, ensuring technical risks, open work, deviations, and required decisions are clearly understood and driven to closure.
Coordinate preflight engineering verification across all disciplines, ensuring required analyses, tests, inspections, and technical approvals are completed.
Own or coordinate key customer technical data deliveries and mission-specific vehicle information.
Ensure lessons learned from ground and flight testing are rapidly incorporated into subsequent vehicle configurations.
Operate with broad authority across the program and drive issues to closure regardless of functional ownership.

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, along with dental and vision plans.
Paid parental leave
$100 monthly fitness stipend
Onsite EV charging
Catered meals
Company-covered food during high-demand periods
Fully stocked kitchen