Role Summary: Specter Aerospace is seeking an Avionics Systems Engineer II/III to develop and integrate the avionics architecture for our supersonic and hypersonic flight vehicles, ensuring that power, control electronics, communications, sensors, and embedded computing function together as a cohesive flight system. A successful candidate will have prior experience defining system-level requirements and interfaces, integrating multi-disciplinary avionics subsystems, and supporting hardware bring-up and troubleshooting through test and flight operations. Role Responsibilities • Develop and maintain avionics system architecture, including power distribution, communications, grounding, and subsystem interfaces • Support the integration of avionics subsystems, including flight computers, sensors, power electronics, control electronics, and instrumentation • Translate vehicle-level requirements into system-level requirements, interface definitions, and verification plans • Coordinate with electrical, mechanical, embedded software, GNC, and propulsion engineers to resolve system integration challenges • Contribute to system-level hardware integration, bring-up, debugging, and troubleshooting during development and vehicle assembly • Support design reviews and system-level trades to balance performance, reliability, manufacturability, and testability • Develop and execute integration and qualification test plans, and translate results into design improvements • Maintain system architecture, interface, and integration documentation • Mentor junior engineers and contribute to best practices in avionics system architecture and integration (Level III) Required Qualifications: • Bachelor's degree in electrical engineering, computer engineering, or a related field • 2+ years of relevant full-time experience (Level II) or 5+ years of relevant full-time experience (Level III) developing or integrating avionics or other high-reliability embedded electronic systems • Experience with avionics system architecture, power distribution, or communications interfaces • Familiarity with common aerospace interfaces and communication protocols (e.g., SPI, I²C, UART, CAN, Ethernet, RS-422/485, or similar) • Comfort with hardware integration, system-level debugging, and root cause analysis in laboratory or test environments • Familiarity with EMI/EMC, grounding, shielding, and electrical reliability considerations for aerospace systems • Available for up to 10% travel for relevant ground and flight test activities • Eligible to obtain and maintain a U.S. Secret security clearance (U.S. Citizenship required) • Ability to pass a pre-employment drug screen and background check Preferred Qualifications: • Active U.S. Secret clearance • Previous experience developing or integrating avionics for aerospace, defense, spacecraft, or other high-reliability applications • Experience with flight computers, telemetry, power distribution, or vehicle control electronics • Experience with schematic capture and PCB design; preference for Altium Designer • Familiarity with hardware-in-the-loop testing and avionics ground support equipment • Familiarity with relevant IPC, military, or environmental testing standards • Familiarity with Python, MATLAB, C, C++, or similar languages Benefits at Specter: • Competitive salary • Opportunity for equity compensation • Health and dental insurance • 401(k) plan with company match • Unlimited paid time off (PTO) policy • Paid federal holidays and annual Holiday break