Summer 2027 – Power Electronics Internship

Posted 6 Hours Ago
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Austin, TX, USA
In-Office
Internship
Aerospace • Hardware • Software • Defense
CesiumAstro creates out-of-the-box communication systems for space and airborne platforms.
The Role
Support analog and power electronics engineering projects for space and military products. Design and analyze power supplies, perform schematic and PCB development, simulate circuits, and conduct hands-on laboratory characterization and troubleshooting. Interns work alongside experienced engineers on active programs and technology roadmap projects, gaining experience with power conversion, control, filtering, fault management, verification testing, and production-oriented hardware development.
Summary Generated by Built In
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

The Analog & Power Electronics team is responsible for developing advanced power electronics for our space and military products. We own analog and power electronics designs for multi-output power supply modules and for point of load (PoL) power supplies for RF and Digital boards. We are responsible for the entire development cycle from power architecture development to part selection, schematic and printed circuit board (PCB) design, verification testing, and production release. Designs encompass the entire spectrum of power supply development including power conversion, power management and control, fault management, and power filtering for low noise and electromagnetic compatibility (EMC).  
 
We’re looking for summer interns to support our mission. Interns work side-by-side with experienced power electronics engineers. Interns in the Analog & Power team are typically responsible for design projects that directly contribute towards an on-going program or contribute towards advancing the Analog & Power Electronics team’s technology development road map. Interns will also gain valuable experience in hands-on laboratory characterization and troubleshooting of power electronics.  
 
To apply, please include a brief cover letter describing your interest in power or analog electronics hardware design.  

REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Current enrollment in a Master of Science (MS), or PhD program in Electrical Engineering or Computer Engineering from an accredited university with a focus in analog or power electronics 
  • GPA of 3.5 or higher 
  • Strong fundamentals in electronics and completion of course work in one or more of the following areas: power electronics, modeling and control of power electronics, control theory, linear systems theory, non-linear system theory, power systems, and analog electronics  
  • Knowledge ofdifferent DC-DC power converter topologies (e.g.discrete linear regulator, Buck, Buck-boost, Flyback, Forward, Half-bridge, Full-bridge)  
  • Hands-on experience with lab instruments such as oscilloscopes, spectrum analyzers, frequency response and impedance analyzers, electronic loads, power sources, and signal generators 
  • Experience with analysis and simulation tools such as SPICE, LTSPICE, SIMetrix/SIMPLIS, PLECS, Simulink, MATLAB, MathCAD, ANSYS Q3D and SiWave, or HyperLynx  
  • Excellent written and verbal communication skills  

PREFERRED EXPERIENCE

  • Practical experience designing and building power electronics hardware for a research project, competition team, extracurricular activity, prior internship, or for an advanced electronics engineering course 
  • Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or Xpedition  
  • Experience with power magnetics modeling, design and laboratory characterization  
  • Experience with voltage mode or peak current mode control, including control loop modeling and laboratory characterization  
  • Experience in power electronics applications utilizing GaN or SiC wide bandgap power semiconductor devices 
  • Knowledge of soft switching and resonant power converter topologies (e.g. LLC, CLLC, series resonant, phase shifted full bridge, dual active bridge, etc.) 
  • Programming skills to support hardware test and data processing(Python, MATLAB, etc.) 

All CesiumAstro internships are compensated competitively and located onsite at one of our facilities.
 
CesiumAstro is an Equal Opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Skills Required

  • Currently enrolled in a Master of Science or PhD program in Electrical Engineering or Computer Engineering at an accredited university
  • Academic focus in analog or power electronics
  • GPA of 3.5 or higher
  • Strong fundamentals in electronics
  • Coursework in power electronics, modeling and control of power electronics, control theory, linear systems theory, nonlinear system theory, power systems, or analog electronics
  • Knowledge of DC-DC power converter topologies, including linear regulators, Buck, Buck-boost, Flyback, Forward, Half-bridge, and Full-bridge converters
  • Hands-on experience with oscilloscopes, spectrum analyzers, frequency response and impedance analyzers, electronic loads, power sources, and signal generators
  • Experience with power electronics analysis and simulation tools
  • Excellent written and verbal communication skills
  • Practical experience designing and building power electronics hardware
  • Experience with electronics schematic capture and PCB layout tools such as Altium, OrCAD, Allegro, or Xpedition
  • Experience with power magnetics modeling, design, and laboratory characterization
  • Experience with voltage-mode or peak-current-mode control, including control-loop modeling and laboratory characterization
  • Experience using GaN or SiC wide-bandgap power semiconductor devices
  • Knowledge of soft-switching and resonant power converter topologies
  • Programming skills for hardware testing and data processing, such as Python or MATLAB

CesiumAstro Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CesiumAstro and has not been reviewed or approved by CesiumAstro.

  • Healthcare Strength Health coverage includes medical, dental, vision, life and disability insurance, plus FSAs and mental health benefits. Feedback suggests the health package is comprehensive for a growth-stage aerospace firm.
  • Retirement Support Offerings include a 401(k) with company matching and other retirement-plan elements. Feedback suggests core retirement mechanisms are in place alongside standard financial benefits.
  • Leave & Time Off Breadth Generous PTO, paid holidays, paid sick days, and bereavement leave are included. Feedback suggests time-off options are broad on paper across multiple leave types.

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The Company
HQ: Austin, TX
400 Employees
Year Founded: 2017

What We Do

We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.

Why Work With Us

At CesiumAstro, we’re a team. We’re passionate, respectful, and determined colleagues ready to help at a moment’s notice. We’re mentors excited to enable our peers with the knowledge they need to succeed. Together, we’re visionaries committing to building memories that will last a lifetime.

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