Avionics Hardware Engineer

Responsibilities

• Own avionics hardware from architecture and schematic design through PCB layout, bring-up, and production support
• Drive design decisions including component selection, interfaces, and system tradeoffs
• Lead hardware bring-up, debugging, and root-cause analysis across lab, integration, and flight test
• Collaborate cross-functionally to ensure avionics hardware meets performance, reliability, and mission requirements
• Define and execute hardware validation strategies appropriate to development and flight maturity
• Produce clear technical documentation covering designs, test results, and engineering changes
• Partner with manufacturing and suppliers to transition hardware from prototype to production
• Continuously improve designs based on test results, field data, and evolving requirements
• Basic Qualifications
• Bachelor's degree in electrical engineering or related field
• Proven end-to-end ownership of avionics or high‐reliability electronic hardware
• Strong experience with PCB design, bring‐up, and lab debugging
• Ability to operate autonomously and drive hardware issues to closure
• Preferred Qualifications
• Avionics, aerospace, missile, space, automotive, or defense hardware experience
• Experience with motor controllers, backplanes, power electronics, or flight hardware
• Familiarity with MIL‐STD or aerospace hardware standards (e.g., DO‐254 exposure)
• Embedded systems or FPGA‐adjacent hardware experience
• Experience supporting hardware in integration, test, or flight environments
• Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.
• 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.
• Additional Eligibility Requirements
• This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.
• Affirmative Action/EEO Statement
• Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.
• Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact [email protected]. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.
• Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.
• EAR/ITAR Requirements
• This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.