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CesiumAstro creates out-of-the-box communication systems for space and airborne platforms.
The Role
Lead RF hardware and system design for phased-array satellite and aerospace communications: concept through in-orbit support. Responsibilities include schematics, PCB layout, simulations (CST/ADS), test design, lab measurements, part selection, requirements and architecture definition, mentoring, design reviews, and proposal support.
Summary Generated by Built In
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 actively seeking passionate, collaborative, energetic, and forward-thinking individual to join our team as a Principal RF Engineer I. The ideal candidate has extensive experience in board-level and system-level RF electronics design. If you enjoy working in a startup environment and are passionate about developing leading-edge phased arrays for satellites, spacecraft, and aerospace systems, we would like to hear from you.
In this position, you will be responsible for RF circuits, modules, and systems through all phases of the development process. The ideal candidate will be proficient in board-level schematic design and PCB layout of RF circuits, system-level communications concepts such as link budgets and modulation schemes, and end-to-end RF product development. The work will include many aspects of phased array communication systems, including RF front ends, frequency converters and synthesizers, filters, beamformers, power dividers, and phased array antennas.
As a principal hardware team member, you will be 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. Principal Engineers also serve as technical and professional mentors in their field and may be given the opportunity to lead company programs.
The successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.
Successful candidates will require:
- Bachelor of Science (BS)) degree in Electrical Engineering (EE) from an accredited university or institution. Master of Science (MS) desired.
- 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 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 experience includes:
- 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.
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.
Please be aware that many roles will be subject to both security and export control restrictions. These restrictions mean that factors including new starter’s nationality, any previous or dual nationalities held, place of birth and country of residence may limit those roles that you can perform for the organisation.
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 not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
Skills Required
- Bachelor of Science in Electrical Engineering
- Master of Science in Electrical Engineering
- Minimum of 9 years industry experience in RF electronics and systems design
- Proficiency in electromagnetic and RF simulation tools such as CST and ADS
- Experience with EDA tools, specifically Altium
- Hands-on experience with lab instruments: vector network analyzers, spectrum analyzers, signal generators, oscilloscopes
- Board-level schematic design and PCB layout of RF circuits
- System-level communications concepts: link budgets, modulation schemes, end-to-end RF product development
- Experience with phased array communication systems (RF front ends, frequency converters, synthesizers, filters, beamformers, power dividers, antennas)
- Excellent written and verbal communication skills
- Python or other programming languages
- Aerospace electronics design, development, and qualification experience
- Worst-case circuit analysis, FMEA, reliability analysis
- Antenna design experience
- EMI/EMC design and mitigation techniques
CesiumAstro Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CesiumAstro and has not been reviewed or approved by CesiumAstro.
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Healthcare Strength — Health coverage includes medical, dental, vision, life and disability insurance, plus FSAs and mental health benefits. Feedback suggests the health package is comprehensive for a growth-stage aerospace firm.
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Retirement Support — Offerings include a 401(k) with company matching and other retirement-plan elements. Feedback suggests core retirement mechanisms are in place alongside standard financial benefits.
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Leave & Time Off Breadth — Generous PTO, paid holidays, paid sick days, and bereavement leave are included. Feedback suggests time-off options are broad on paper across multiple leave types.
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The Company
What We Do
We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.
Why Work With Us
At CesiumAstro, we’re a team. We’re passionate, respectful, and determined colleagues ready to help at a moment’s notice. We’re mentors excited to enable our peers with the knowledge they need to succeed. Together, we’re visionaries committing to building memories that will last a lifetime.
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