This role has closed. CesiumAstro has taken the posting down.
hirly last saw it live on 5 November 2026. See similar open roles below, or browse the live board.
CesiumAstro
Principal RF Engineer I
Cambridge, United Kingdom
Similar open jobs
- Lead RF EngineerLeonardocompany · GB - EdinburghFirst seen 3d ago
- Principal RF EngineerMbda · StevenageFirst seen 39d ago
- Graduate RF Engineer, Telecommunications (2027 start)Cambridge Consultants · United KingdomFirst seen 35d ago
- RF EngineerFlir · UK - LincolnFirst seen 39d ago
- Senior Staff RF EngineerEpiq Design Solutions LLC · Frederick, MDFirst seen 2d ago
- Principal RF EngineerCaci · Springfield, VA, USFirst seen 3d ago
- Principal RF EngineerGlobalhr · US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDGFirst seen 8d ago
- Principal RF EngineerAstspacemobile · Dallas, Texas, United StatesFirst seen 8d ago
- Lead RF EngineerSafransed · Rochester, New YorkFirst seen 14d ago
- Principal RF EngineerGlobalhr · US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDGFirst seen 29d ago
- 2027 Associate Electrical RF Engineer - Plymouth MNNgc · United States-Minnesota-PlymouthFirst seen 2d ago
- Sr. RF EngineerItron · United States of America, South Carolina, West UnionFirst seen 2d ago
- Senior RF Engineer II (Hardware)Nerostechnologies · Torrance, California, United StatesFirst seen 3d ago
- RF Engineer IRocketlab · Long Beach, CAFirst seen 8d agoremote
- Microwave Radiometer RF Engineer (entry level)Ag · Getafe AreaFirst seen 8d ago
hirly's read of this role
- Seniority
- Lead / management
- Country
- GB
- Work mode
- On-site / unstated
- First seen by hirly
- 5 Nov 2026
Derived automatically from the posting.
the posting
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.
Find Jobs in United Kingdom on Arbeitnow
Listed on hirly, a job board. hirly is not the employer: CesiumAstro is hiring for this role.