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Castelion · 5 months ago

Senior Flight Software Engineer

Torrance, California, United States

Full-time

Onsite

Senior Level

5+ years exp

Castelion is innovating in defense development by focusing on iterative design and modern manufacturing strategies. The Senior Flight Software Engineer will design, develop, and test flight software for advanced missile systems, collaborating with multidisciplinary teams to ensure high performance and reliability under extreme conditions.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Design, develop, and test real-time embedded flight software for missile systems

Collaborate with GNC engineers, systems engineers, and hardware teams to ensure seamless integration

Implement and maintain software for high-reliability, safety-critical environments

Support simulation, hardware-in-the-loop (HIL), and flight testing to validate performance

Participate in root cause analysis and debugging across software and system interfaces

Follow rigorous software lifecycle practices, including configuration management and verification

Contribute to defining and improving development processes, tools, and standards

Stay informed on emerging technologies and best practices relevant to flight software and real-time systems

Qualification

Embedded software developmentC/C++ proficiencyReal-time operating systemsHardware/software integrationGNC systems experienceSimulationHIL testingAgile methodologiesProblem-solving skillsTeam collaborationClear communication

Required

Bachelors or Master's degree in Computer Science, Electrical Engineering, Aerospace Engineering, or related field

5+ years of experience in embedded software development, preferably in aerospace or defense

Proficiency in C/C++ and experience with real-time operating systems (RTOS)

Familiarity with hardware/software integration and real-time system constraints

Experience working with GNC systems or similar control-intensive applications

Strong understanding of testing practices including simulation and HIL environments

Excellent problem-solving skills and attention to detail

Ability to work effectively in a fast-paced, multidisciplinary team environment

Active or eligible for a Top-Secret security clearance

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State