Capella Space · 2 months ago
Principal RF Payload Engineer
Capella Space, an IonQ company, builds trusted space systems that deliver secure, rapid, and actionable Earth intelligence. The Principal RF Payload Engineer will be responsible for the technical direction of satellite RF system architectures and subsystem design, collaborating cross-functionally with various engineering teams.
AerospaceGeospatialImage RecognitionInformation Services
Responsibilities
Lead detailed RF system modeling & EM simulation efforts
Develop system level budgets, maintaining technical oversight of system performance throughout product lifecycle
Direct RF system architecture trade studies
High-level direction of design validation & qualification campaigns
Act as subject matter expert in new program proposal development
Manage the development of outsourced components and interface with external vendors
Provide guidance and mentorship for junior engineers
Qualification
Required
BSEE/Physics + 13 years related experience, or MSEE/Physics + 11 years related experience
Experience developing RF system/payload budgets to assess margin to performance requirements
Expert knowledge of EM simulation tools for waveguide, antenna, and/or planar component design (MWO, ADS, HFSS)
Expert knowledge in at least two of the following areas: Space-based antenna systems (single- and multi-aperture, passive and active), Space-based high-power PA design, Satellite communications transponder system design, Software defined radios and digital signal processing, Ultra-stable oscillator / frequency synthesizer design
Expert knowledge of RF test & measurement methods
Deep hands-on experience working with and troubleshooting RF circuits and/or systems
Familiarity with spacecraft architectures and cross-functional engineering stakeholders
Experience leading teams and mentoring junior engineers
Exceptional communication and presentation skills
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Capella Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable
Preferred
Proficiency with RF/communication system design tools (VSS, SystemVue, MATLAB)
Familiarity with microwave component assembly and packaging techniques
Knowledge of wireless communications standards, protocols, and link analysis
Past experience with multilayer mixed signal PCB design (Altium preferred)
Proficiency in data analysis and signal processing tools (e.g., Python, MATLAB)
3D CAD modeling experience
Security clearance or eligibility to obtain clearance preferred
Benefits
Extensive medical coverage, including strong vision and dental plans, flexible spending accounts, and additional supplemental health options.
Paid Flexible Time Off Policy
401(k) Plan with Company Match to help you invest in your long-term retirement goals
Parental Leave program
Lifestyle Spending Account
Commuter & Parking Benefits
Mental Health Resources
Monthly Phone Stipend
Dog-friendly work environment & them with pet insurance options
Company
Capella Space
Capella Space is an information services company that provides on-demand 24/7 SAR data for government and commercial customers.
Funding
Current Stage
Growth StageTotal Funding
$238.97MKey Investors
US Innovative Technology FundNightDragonDCVC
2025-05-07Acquired
2023-01-10Series Unknown· $60M
2022-04-25Series C· $97M
Recent News
Spark Capital
2026-01-05
2025-12-30
2025-12-27
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