CesiumAstro · 16 hours ago
Principal Narrowband Communication Systems Engineer I
Denver Metropolitan Area
Full-time
Onsite
Senior Level, Lead/Staff
$140K/yr - $170K/yr
9+ years expCesiumAstro is a developer and pioneer of innovative communication systems for satellites and airborne platforms. The Principal Narrowband Communication Systems Engineer I will own the design and operation of satellite communication systems, ensuring reliable command and telemetry while coordinating activities across multidisciplinary engineering teams.
AerospaceDronesSatellite CommunicationSpace Travel
No H1B
U.S. Citizen Only
Responsibilities
Own the RF Link – Model, analyze and maintain the satellite’s link budget, modulation and coding, ensuring reliable communications from space to ground
Select & Configure Hardware – Define and implement the TT&C radios, antennas, and modems best suited for the mission
Develop Operational Concepts – Define how the radios are used in different mission phases, including contingency operations and emergency recovery
Integrate & Test – Work with flight software and ground teams to validate end-to-end TT&C performance, from antenna to command center
Solve Hard Problems – Optimize low-SWaP communications, mitigate interference, and ensure robust, fail-safe links
Qualification
Required
Bachelor's degree in electrical engineering or a related field
A minimum of 9 years of experience with emphasis on satellite communications, RF system engineering, or related fields
Expertise in design and operation of TT&C, S-band, and narrowband satellite communications
Strong understanding of link budget analysis, modulation schemes, and ground station interfaces
Hands-on experience configuring and testing ground station equipment and space-qualified radios and antennas
Ability to define and implement communication system CONOPS for nominal and emergency operations
Understanding of how communication payloads fit into the broader mission, from flight software integration to ground operations
Ability to move fast to prototype, test, and iterate quickly, focusing on what's needed to get a mission off the ground
Preferred
Experience with software-defined radios (SDRs), CCSDS protocols, or regulatory compliance (ITU/FCC)
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
$185.24MKey Investors
Trousdale VenturesAirbus Ventures
2024-06-18Series B· $65M
2024-02-13Series Unknown· $30M
2023-01-26Series Unknown· $2.09M
Recent News
2026-01-07
Satellite Today
2025-04-16
2025-04-03
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