CesiumAstro · 3 months ago
Principal RF Engineer I
El Segundo, CA, US
Full-time
Onsite
Lead/Staff
9+ years expCesiumAstro is a developer of communication systems for satellites and airborne platforms, seeking a Principal RF Engineer I. The role involves RF electronics design and development, including responsibilities from concept to testing and support of products.
AerospaceDronesSatellite CommunicationSpace Travel
No H1B
U.S. Citizen Only
Responsibilities
Responsible for RF circuits, modules, and systems through all phases of the development process
Proficient in board-level schematic design and PCB layout of RF circuits
System-level communications concepts such as link budgets and modulation schemes
End-to-end RF product development
Responsible for RF system and hardware designs from initial concept through requirements definition, architecture definition, part selection, detailed design, analysis, manufacturing, testing, qualification, and in-orbit support of Cesium's products
Hardware design tasks will include block diagrams, detailed schematics, PCB layout and routing, simulations, and test design
Present engineering design review materials to our customers and executive team
Participate in proposal-writing efforts
Qualification
Required
U.S. citizenship, lawful permanent resident of the U.S., conditional resident, asylee or refugee, or eligible to obtain the required authorizations from the U.S. Department of State
Bachelor of Science (BS) degree in Electrical Engineering (EE) from an accredited university or institution
Minimum of 9 years of industry experience in design and analysis of RF electronics and systems
Expert-level proficiency in professional simulation tools such as CST and ADS, as well as EDA tools such as Altium
Extensive hands-on experience with lab instruments such as vector network analyzers, spectrum analyzers, signal generators, and oscilloscopes
Excellent written and verbal communication skills
Preferred
Python or other programming languages
Aerospace electronics design, development, and qualification
Worst-case circuit analysis, failure method and criticality analyses, and reliability analysis
Antenna design
EMI/EMC design and mitigation techniques
Benefits
Company stock options
Health
Dental
Vision
HSA
FSA
Life
Disability
Retirement plans
Company
CesiumAstro
CesiumAstro provides out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space or airborne platforms.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$385.24MKey Investors
Export-Import Bank of the United StatesTrousdale VenturesAirbus Ventures
2026-01-15Debt Financing· $200M
2024-06-18Series B· $65M
2024-02-13Series Unknown· $30M
Recent News
2026-01-17
Bizjournals.com Feed (2025-11-12 15:43:17)
2026-01-16
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