Senior RF Engineer II

Roman Health Pharmacy LLC; Cambridge; On-site; GBP 90,000 - 130,000; Full time

Job summary

CesiumAstro seeks a Senior RF Engineer II to design RF circuits and systems for satellites and aerospace platforms. You will handle board-level schematic design and PCB routing, work across development phases, and contribute to proposals and customer reviews.

The role requires hands-on expertise with RF test equipment and experience with EMI/EMC considerations, in a startup-like environment.

Qualifications

• Bachelor's or Master's in Electrical Engineering from an accredited institution.
• 6+ years in RF electronics design, analysis, testing, troubleshooting.
• Experience with CST and ADS; Proficiency with Altium.
• Hands-on use of lab instruments: VNA, spectrum analyzers, signal generators, oscilloscopes.
• Strong written and verbal communication skills.

Responsibilities

• Design RF circuits and systems through all development phases.
• Perform board-level schematic capture and PCB layout for RF blocks.
• Understand link budgets, modulation schemes, and phased array concepts.

Skills

RF design

Board-level RF

Schematic design

PCB layout

Lab instrumentation

Education

BS in Electrical Engineering

Tools

CST

ADS

Altium

Job description

AtCesiumAstro, 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 looking to add aSenior RF Engineer II to our team. The ideal candidate has experience in board-level RF electronics design. If you enjoy working in a startup environment and are passionate about developing leading-edge RF hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.

In this position, you will be responsible for RF circuits 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, and system-level communications concepts such as link budgets and modulation schemes. 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 Cesium hardware team member, you will be responsible for RF hardware designs from initial concept through requirements 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.

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.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

• A Bachelor of Science (BS) or Master of Science (MS) degree in Electrical Engineering (EE) from an accredited university or institution.
• 6+ years of industry experience in design and analysis of RF electronics design, analysis, test, and troubleshooting.
• Experience with professional simulation tools such as CST and ADS, as well as EDA tools such Altium.
• 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

• Experience with MATLAB or other programming languages.
• Experience in aerospace electronics design, development, and qualification.
• Knowledge of worst‑case circuit analysis, failure method and criticality analyses, and reliability analysis.
• Experience with antenna design.
• Knowledge of 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.