Castelion Corporation

Senior Simulation Software Engineer, GNC

API CI/CD C++ Itar Python +2 skills

Build and maintain high-fidelity missile simulation software in C++/Rust to test guidance, navigation, and control systems for next-gen long-range strike weapons.

Open 50d HybridNorth AmericaContractSenior

Senior Technical Sourcer (Contract)

Employer Branding GitHub LinkedIn Recruiter

About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing…

Open 50d North AmericaContractSenior

Senior Test Engineer

Automation Data Quality Itar LabVIEW MATLAB

Leads static fire, environmental, and flight tests for solid rocket motors and hypersonic systems, designing test setups, analyzing data, and ensuring safety in high-stakes aerospace/defense programs.

Senior Thermal & TPS Integration Engineer

Ansys Assembly MATLAB Prototyping Root Cause Analysis

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

Manager, Development Test

Automation Itar Jira LabVIEW Prototyping +1 skills

About Castelion 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…

Manager, Government and Community Affairs, Project Ranger

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

Open 50d On-siteNorth AmericaFull-time

Manager, Social Media & Strategic Communications

Analytics Business Development Itar Motion Graphics

About Castelion Castelion is bringing a new approach to defense development and production: short, iterative design cycles, rapid testing, and modern commercial manufacturing strategies built for scale. We're…

Open 50d North AmericaContract

Materials & Process, Program Support Manager

Data Quality Itar Program Management

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

Office Manager

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

People Operations Specialist

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

Candidate Experience

Product Security Architect, Embedded Systems

Authentication C++ Cryptography Distributed Systems Firmware +5 skills

Architect and implement cryptographic foundations for embedded flight systems, including secure boot, encryption, code signing, and key management to protect mission-critical defense hardware.

Senior Autonomous Flight Termination System Hardware Engineer

Design and validate high-reliability pulsed power electronics for autonomous flight termination systems in hypersonic strike vehicles, ensuring safety and fault tolerance.

MATLAB Simulink

Senior Avionics Systems Engineer

Altium Assembly Ethernet Pcb Root Cause Analysis +1 skills

Senior Avionics Systems Engineer We are seeking a Senior Avionics Systems Engineer to define and deliver the avionics architecture for Castelion's long-range hypersonic strike vehicles. This role is responsible for…

Senior Avionics Systems Integration Engineer

Assembly CAD C++ Itar MATLAB +2 skills

About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing…

Senior Avionics Test Engineer

Automation C++ Embedded Systems Ethernet Oscilloscope +2 skills

Senior Avionics Test Engineer designs and builds automated test rigs to validate avionics, power electronics, RF assemblies, and flight systems, feeding results back to hardware teams.

Senior Control Electronics Engineer

MATLAB Root Cause Analysis Simulink

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

Development Test Engineer

Anomaly Detection Automation CAD Corrective Action Data Quality +8 skills

Designs and runs hardware tests for next-gen defense systems, from benchtop rigs to full vehicle trials, and feeds results back into rapid design iteration.

Open 50d North AmericaContract

Director, Business Development – Air Force Programs

Business Development Program Management

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…

Embedded Software Engineer (All Levels)

Bash C++ Distributed Computing Embedded Software Embedded Systems +13 skills

Develop and test embedded software for autonomous flight systems and hypersonic missile capabilities, collaborating across hardware/software teams to ensure mission-critical performance.