Summer 2027 - Electrical Engineering Internship, RF

CesiumAstroCesiumAstroWestminster, Colorado, United States
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Posted

9/15/2026

Employment

Intern

Range

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Work style

On-site

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AI summary

Core responsibilities

Interns will design and build RF electronics hardware and antennas for satellite communication systems. They will work closely with engineers on product development, schematic design, testing, and manufacturing of space electronics.

Requirements overview

Candidates must be currently enrolled in a BS, MS, or PhD program in Electrical Engineering or Physics with a GPA of 3.5 or higher. Applicants are required to have advanced coursework in RF and microwave engineering and practical experience with lab instruments.

Key skills

RF electronics designAntenna designSchematic designHardware manufacturingNetwork analyzersPower sensorsOscilloscopesSpectrum analyzersElectronic loadsSignal generatorsAltiumAnsys HFSSADSPythonElectromagneticsCommunication systems

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Education requirements

bachelor degreepostgraduate degree

About CesiumAstro

Industry

Defense and Space Manufacturing

Employees

547

Type

Privately Held

Size

501-1,000 employees

CesiumAstro builds and delivers space communications systems—at scale. We design, engineer, and manufacture software-defined radios, phased array payloads, and fully integrated satellites that enable real-time, multi-beam, multi-user connectivity across space-based and airborne networks. Our systems are built for mission-critical applications and designed to adapt on orbit. As a vertically integrated manufacturer, CesiumAstro brings RF, digital processing, and satellite integration together under one roof, enabling rapid production, consistent performance, and repeatable delivery. Headquartered in Austin, Texas, with operations in Colorado, California, the United Kingdom, Germany, and Japan, CesiumAstro is building the communications infrastructure modern missions depend on. We’re hiring. Explore open roles at CesiumAstro.com/careers.

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Job categories

EngineeringTechnologyScience & Research

Description

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 CesiumAstro hardware team is looking for Summer 2027 interns to design and build RF electronics hardware and antennas for satellite communication systems. RF hardware development interns will work closely with CesiumAstro engineers on product development, schematic design, test, and manufacturing of space electronics. Areas of focus will include either board-level RF electronics design (e.g. front-ends with amplifiers, switches, filters, etc.) system design, or antenna design. Assignments will be determined by a mix of project availability and the interests of the successful candidates. CesiumAstro interns regularly present their work to peers, mentors, and CesiumAstro executive leadership throughout the course of the summer. As such, excellent written and verbal communication skills are required. To apply, please include a cover letter describing your interest in RF hardware or antennas and either space systems or communication systems. \n JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS Current enrollment in a Bachelor of Science (BS), Master of Science (MS), or PhD program in Electrical Engineering or Physics from an accredited university. GPA of 3.5 or higher. Advanced coursework in RF & microwave engineering. Upper-level undergraduate coursework in electromagnetics. Practical experience designing and building electronics hardware for a research project, competition team, extracurricular activity, or advanced engineering course. Hands-on experience with lab instruments such as network analyzers, power sensors, oscilloscopes, spectrum analyzers, electronic loads, and signal generators. Excellent written and verbal communication skills. PREFERRED EXPERIENCE Familiarity with electronics schematic and layout tools such as Altium. Advanced coursework in antennas. Advanced coursework in communication systems. Advanced coursework in electromagnetics. Familiarity with circuit and physics simulation tools such as Ansys HFSS and ADS. Familiarity with programming languages such as Python. Aerospace or automotive electronics design and development. \n 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.

Requirements

  • RF electronics design
  • Antenna design
  • Schematic design
  • Hardware manufacturing
  • Network analyzers
  • Power sensors
  • Oscilloscopes
  • Spectrum analyzers
  • Electronic loads
  • Signal generators
  • Altium
  • Ansys HFSS
  • ADS
  • Python
  • Electromagnetics
  • Communication systems

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