Staff Power Electronics Engineer

Open 22d

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.

We are seeking a Staff Power Electronics Engineer to join our growing satellite communication (SATCOM) terminal development team. In this position, you will contribute across the entire development lifecycle of next-generation power electronics hardware for military and commercial power systems—from leading the definition of power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, production transition, and manufacturing support.

JOB DUTIES AND RESPONSIBILITIES

Lead the development of power system architectures and derive power subsystem requirements.
Design DC-DC power converters, power supplies, and power distribution systems ranging from a few watts to more than 20 kW of power in the 0.8 V to 400 V range.
Design single-phase and three-phase AC-DC power supplies and power distribution systems ranging from a few kilowatts to more than 20 kW.
Perform comprehensive analysis of AC-DC and DC-DC power supplies including worst-case circuit analysis (WCA), stress analysis, small signal modeling analysis, failure modes and effects analysis (FMEA), reliability analysis, and power integrity analysis.
Develop design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plans for power converters and power supplies.
Lead board bring-up and design verification testing of analog and power electronics circuits.
Lead system integration, qualification campaigns, and production release of power supply modules and power systems.
Mentor younger engineers and foster knowledge sharing.
Lead a small team of power electronics engineers to drive project execution.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelor of Science (BS) degree or higher in Electrical Engineering from an accredited university.
Minimum of 8 years of experience designing analog and power electronics
Experience working with electrical power systems and subsystems, including developing power architecture and power requirements, performing trade studies for size, weight, power, and cost optimization (SWAP-C), selecting power converter topologies, and defining power management and control blocks
Experience designing, testing and qualifying single-phase and three-phase off-line AC-DC power supplies, and DC-DC power supplies for industrial, airborne, or military systems
Knowledge of control theory and stability of power electronics, including experience characterizing control loops and impedances in the laboratory
Experience designing power filters for low noise outputs and for power line electromagnetic compatibility (EMC)
Experience developing design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plans
Experience performing worst-case circuit analysis (WCA), stress analysis, failure modes and effects analysis (FMEA), and reliability analysis for power supplies
Extensive hands-on experience with testing and troubleshooting electronics and power converters using laboratory instruments such as oscilloscopes, impedance analyzers, spectrum analyzers, electronic loads, 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
Experience with isolation and grounding, failure mode effects analysis and fault tolerant design, and thermal management of power electronics
Experience designing and testing power electronics units to meet industry standards and requirements in the automotive, industrial, aircraft, or military markets (e.g., FCC, CISPR, UL safety standards, ECSS, NASA, MIL standards)
Excellent written and verbal communication skills

PREFERRED EXPERIENCE

Experience designing and testing isolated and non-isolated DC-DC power converters (e.g. discrete linear regulators, Buck, Boost, Buck-boost, Flyback, Forward)
Experience designing or specifying custom power magnetics for power supplies and power line filters
Knowledge of power stage design and control methods for power factor correction (PFC) converters and active rectifiers
Experience generating statements of work and requirements for external vendors, vendor selection, and vendor management for power supply and power system rack developments
Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or Xpedition
Experience running board-level power integrity simulation using tools such as Ansys SiWave, or HyperLynx
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.)

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

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.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

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As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. Are you a U.S. Person or eligible to obtain the required authorizations from the U.S. Department of State? choose one
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By submitting your application you hereby certify that the facts set forth in the above employment application are true and complete to the best of your knowledge. I certify that the information on this application is accurate and complete to the best of my knowledge and agree to have any of the information verified by CesiumAstro (the “Company”). By my signature below, I authorize any references submitted by me to the Company in support of this application to provide any and all information concerning my previous employment and any other pertinent information that they may have. I understand that I may be required to authorize the Company to obtain a consumer report or investigative consumer report, in accordance with applicable law, which authorization is contained in a separate document. Further, I release the Company and any other parties, agents, or persons from any and all liability or claims arising out of the disclosure or use of references or other information provided to the Company during the process of verifying the statements made in this application. I understand that any misrepresentation, falsification, or material omission of information on this application may result in my failure to receive an offer or, if I am hired, will result in my dismissal from employment. Furthermore, if hired, in consideration of my employment I agree to conform to the policies, rules and standards of the Company, including applicable safety rules, and agree that my employment can be terminated “at will” at any time, with or without cause, and with or without notice, either at my option or at the option of the Company. I understand that no employee or representative of the Company to which I am applying, has the authority to enter into any agreement for employment for any specified period of time, or to enter into any express or implied agreement to the contrary of at-will employment, except for a written agreement signed by me and the Chief Executive Office of the Company. I agree that this shall constitute a final and fully binding integrated agreement regarding the at-will nature of my employment relationship if I am hired. In addition, I understand that, if hired, I may be required as a condition of employment to take and pass drug and alcohol tests during employment to the extent required by policies of the Company consistent with applicable law. I acknowledge that I have personally completed this application, I have read all of the above statements, and understand them and agree to the terms and conditions therein. I confirm that I understand that my application may be subject to security checks under government regulations applicable in the aerospace and defense industry sectors. yes / no · optional
I have applied for employment with CesiumAstro, Inc. (the “Company”). In consideration of the Company's accepting and evaluating my application for employment, I hereby agree that I will comply with and be legally bound by the following terms and condition of this Agreement: 1. MAINTAINING THE CONFIDENTIALITY OF COMPANY PROPRIETARY INFORMATION. I understand that CesiumAstro, Inc. is an innovative company engaged in research and development, and that the Company's innovations and other Proprietary Information (as defined below) provide the Company with a competitive advantage in the marketplace. Accordingly, I agree to hold in strictest confidence, and not to disclose or make any use of at any time, any of the Company’s Proprietary Information which I may acquire or learn during my interview(s) or the application process for employment. The term “Proprietary Information” shall mean any and all trade secrets, confidential knowledge, data or any other proprietary information pertaining to any business of the Company or any of its customers, vendors, consultants, licensees or affiliates. 2. MAINTAINING CONFIDENTIALITY OF PROPRIETARY INFORMATION OF FORMER EMPLOYERS OR OTHERWISE ACQUIRED BY ME PRIOR TO MY EMPLOYMENT WITH THE COMPANY. I represent and agree that I will not breach any agreement to keep in confidence any third-party proprietary information, knowledge or data acquired by me in confidence or in trust prior to my application for employment with the Company. I will not improperly use, disclose or bring to the Company, or induce the Company to use, any confidential or proprietary information, documents or materials belonging to any previous employer or third parties. 3. NEW EMPLOYEE PROPRIETARY INFORMATION AND INVENTION AGREEMENT. I understand that if I am offered employment by the Company, and as a condition of my new employment, I will be required to enter into an attached New Employee Proprietary Information and Invention Agreement. Prior to any future employment with the Company, I acknowledge the opportunity to consult with legal counsel or other necessary advisors regarding the Agreement. yes / no · optional
As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. Are you a U.S. Person? choose one
Do you now or will you in the future require sponsorship for employment visa status? Please select "Yes" if you will require the Company to commence ("sponsor") an immigration or work permit case in order to employ you, either now or at some point in the future. Otherwise select "No". choose one
Do you have a family member that is currently employed with CesiumAstro? choose one
If yes, please specify the individual(s) and the department or location in which they work: written answer · optional

Staff Power Electronics Engineer

JOB DUTIES AND RESPONSIBILITIES

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

PREFERRED EXPERIENCE

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