Castelion · 5 months ago
Engineering Manager, Flight Software
Castelion is bringing a new approach to defense development and production, focusing on short, iterative design cycles and modern manufacturing strategies. The Software Engineering Manager for Flight Software will lead the development of flight software for advanced missile systems, ensuring safety and reliability while building a high-performing team.
AerospaceGovernmentManufacturingMilitaryNational Security
Responsibilities
Lead and contribute hands-on to the design, implementation, and testing of real-time embedded flight software
Set technical standards for software design, safety, and reliability in mission-critical systems
Build and scale a high-performing software team and culture of excellence
Define and drive the software roadmap - from prototype through production certification
Establish robust development processes for coding, testing, integration, and continuous improvement
Conduct design and code reviews to ensure software quality, consistency, and maintainability
Collaborate cross-functionally with GNC, systems, and hardware engineers to ensure seamless integration
Lead verification and validation efforts, including simulation, HIL, and flight tests
Drive safety-critical certification efforts and help secure client buy-in through process maturity and rigor
Continuously evaluate emerging tools and technologies to enhance system performance and reliability
Qualification
Required
Bachelors or Masters degree in computer science, Electrical Engineering, Aerospace Engineering, or related field
5+ years of experience in embedded software development, including technical leadership or team management experience
Strong command of C/C++ and experience with real-time systems and hardware-software integration
Experience defining and building software infrastructure, testing frameworks, and development pipelines
Familiarity with guidance, navigation, and control (GNC) systems or other flight-critical applications
Proven record of delivering reliable, safety-critical software for complex systems
Experience with simulation, hardware-in-the-loop, and flight testing
Strong understanding of software lifecycle management, version control, and CI/CD tools
US citizenship and ability to obtain a Top Secret security clearance
Preferred
Experience in defense, aerospace, or other safety-critical industries
Familiarity with certification processes (DO-178C, MIL-STD, etc.)
Experience with embedded Linux and real-time operating systems (RTOS)
Knowledge of secure software development and cybersecurity best practices
Exposure to agile or iterative development methodologies
Benefits
Long-term stock incentives
Comprehensive medical, vision, and dental insurance
Four weeks of paid time off per year
Company
Castelion
Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.
Funding
Current Stage
Growth StageTotal Funding
$469.61MKey Investors
Lightspeed Venture PartnersSilicon Valley BankAndreessen Horowitz
2025-12-05Series B· $350M
2025-01-29Series A· $70M
2025-01-29Debt Financing· $30M
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