Senior Power Electronics Engineer

Castelion Corporation•Rio Rancho, NM

3h•Onsite

About The Position

We are seeking a Senior Power Electronics Engineer to develop and integrate advanced electrical power systems for Castelion's long-range hypersonic strike vehicles. This role is critical to ensuring reliable power generation, storage, and distribution across mission-critical avionics and vehicle subsystems. You will work hands-on with multidisciplinary engineering teams to design, analyze, test, and validate power electronics hardware in a fast-paced, hardware-driven environment.

Requirements

Bachelor's, Master's, or PhD in Electrical Engineering or related field
5+ years of experience in power electronics design, analysis, and validation for aerospace, defense, or other high-reliability systems
Strong background in battery systems, power conversion (DC-DC), and power distribution architectures
Experience designing power controllers and power management systems for embedded or avionics applications
Proficiency in circuit design, simulation, and analysis tools (e.g., SPICE, MATLAB/Simulink, or equivalent)
Experience with hardware bring-up, test, and troubleshooting in a lab or flight hardware environment
Familiarity with thermal management, EMI/EMC considerations, and ruggedized electronics design
Strong problem-solving mindset, thriving in a fast-paced, hardware-rich, high flight cadence environment
U.S. citizenship is required

Nice To Haves

Ability to obtain and maintain a U.S. government–issued security clearance

Responsibilities

Design and develop power electronics systems including battery architectures, power conversion, and distribution for high-performance flight vehicles
Lead the design and optimization of power controllers and power management systems to ensure stable, efficient operation across all mission phases
Develop and analyze battery systems, including selection, packaging, thermal considerations, and safety mechanisms for demanding environments
Work closely with avionics, GNC, and flight software teams to ensure seamless integration of power systems with vehicle subsystems
Conduct circuit-level and system-level modeling and simulation to evaluate performance, efficiency, and reliability under dynamic conditions
Support hardware bring-up, integration, and test campaigns, including troubleshooting and root cause analysis
Define and execute qualification and flight test plans, translating results into system-level improvements
Mentor junior engineers and contribute to best practices in power electronics design
Partner closely with program leadership to make technical trades aligned with mission success