Castelion · 5 months ago
Senior Avionics Systems Integration Engineer
Castelion is focused on innovative defense development and production, particularly in creating advanced long-range strike weapons systems. The Senior Avionics Systems Integration Engineer will lead the integration and operational readiness of avionics systems, ensuring their seamless functionality across various stages of design, development, and testing.
AerospaceGovernmentManufacturingMilitaryNational Security
Responsibilities
Lead the integration and operational readiness of avionics systems from initial design and assembly through testing and field operations
Diagnose, troubleshoot, and resolve electrical hardware issues under aggressive development timelines while driving long-term improvements
Support hardware-in-the-loop (HIL) testing, flight operations, and post-flight assessments, ensuring real-time system health monitoring and issue resolution
Collaborate cross-functionally to optimize avionics architectures, reducing mass, cost, and complexity through innovative solutions
Contribute to the development and validation of advanced avionics capabilities, including power systems, sensors, vehicle networks, RF, and control systems
Qualification
Required
Bachelors degree in engineering, physics, or a related technical field
5+ years of experience in electrical component design, system integration, or electronic testing
1+ years of experience using software tools such as MATLAB, Python, or C++
Ability to work onsite and support testing at remote facilities as needed
Willingness to travel occasionally to support test campaigns and customer engagements
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
Preferred
Proficiency with electrical test equipment (multimeters, oscilloscopes, power supplies, etc.)
Creative problem-solving mindset with the ability to balance risk and make sound decisions
Experience diagnosing and repairing avionics systems, including sensors and actuators
Familiarity with 3D CAD tools
Software skills to automate test or analysis processes
Strong organizational and communication skills with the ability to thrive in a dynamic, fast-paced environment
Real-time operations experience in complex systems such as flight tests or other high-consequence environments
Benefits
All employees are granted long-term stock incentives as part of their employment as Castelion.
All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers 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
Recent News
Tech Startups - Tech News, Tech Trends & Startup Funding
2025-12-09
Washington Technology
2025-12-09
alleywatch.com
2025-12-09
Company data provided by crunchbase