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Deputy Program Engineer, Hypersonic Strike

Torrance, California, United States
Full Time On-site

Role Overview
System-level trades for Blackbeard development test milestones and own configuration and release status for all Blackbeard development flights. Serve as the primary technical partner to the product Responsible Engineer, maintaining a vehicle-level understanding of the system and driving technical execution across the program. Set and maintain clear visibility into testing progress across the company including vehicle-level systems integration, propulsion, structures, avionics, GNC, software, payload, thermal, and ground systems.

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.

Basic Qualifications

  • 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.

Preferred Skills and Experience

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

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Benefits And Perks

All full-time employees are granted meaningful long-term equity, sharing in the company's significant growth trajectory. We offer four (4) weeks of paid time off, ten (10) company-paid holidays, and comprehensive health benefits - including 100% employee-covered medical and strong dependent coverage, along with dental and vision plans. We also provide paid parental leave to support growing families, a $100 monthly fitness stipend to promote health and performance, and onsite EV charging for convenience. In addition, employees enjoy perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day.

While this position does not currently require a U.S government-issued security clearance, it may in the near future. Therefore, the ability to obtain and maintain a U.S. government–issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Affirmative Action/EEO Statement

About Castelion

Castelion

Castelion is one of the fastest-rising defense technology companies focused on building affordable, rapidly deployable hypersonic strike systems for the U.S. military. Founded by former SpaceX leaders, the company is working to modernize how advanced weapons are developed and manufactured—using rapid iteration, vertical integration, and scalable production to deliver next-generation deterrence capabilities faster than traditional defense programs. Castelion’s mission centers on restoring America’s ability to field advanced military technology at speed and scale.

For job seekers, Castelion offers the opportunity to work directly on some of the most advanced technologies in national defense, including propulsion systems, avionics, flight software, guidance and navigation, missile systems, and advanced manufacturing. The company hires across aerospace engineering, embedded software, manufacturing, test engineering, avionics, cybersecurity, and operations—making it especially attractive to engineers, builders, veterans, and mission-driven professionals who want hands-on ownership of real hardware.

Unlike traditional defense contractors, Castelion operates with a startup-style engineering culture modeled after rapid aerospace development environments. Employees work closely with flight hardware, testing, and production systems in a fast-paced setting where speed, accountability, and execution are prioritized. The company openly emphasizes a builder mentality—giving team members the chance to own major projects and contribute directly to systems with national security impact.

As the U.S. military increases investment in hypersonic weapons, missile modernization, and scalable deterrence capabilities, Castelion continues to grow rapidly through major government contracts and manufacturing expansion. For professionals seeking a high-growth aerospace and defense company where they can help shape the future of national security technology, Castelion is quickly becoming one of the most exciting employers in the defense innovation ecosystem.

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