Senior Antenna and RF Payload Engineer

No longer listed
Open Cosmos
Didcot, United Kingdom · Pallini, Greece · Barcelona, Spain · Porto, PortugalEngineerPosted May 6, 2026
This website uses cookies to ensure you get the best experience. Open Cosmos and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics purposes. See our Cookie Policy to read more about the cookies we set. You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page. Accept all cookies Decline all non-necessary cookies Cookie preferences Select which cookies you accept On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly. If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site. To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy. Strictly necessary These cookies are necessary to make the site work properly, and are always set when you visit the site. Vendors Teamtailor Analytics These cookies collect information to help us understand how the site is being used. Vendors Teamtailor Accept these cookies Decline all non-necessary cookies Skip to main content Career menu Employee Log in as employee Candidate Log in to Connect Homepage open-cosmos.com CRO · SATCOM (Broadband and Narrowband) · Multiple locations · Hybrid Senior Antenna and RF Payload Engineer Apply for this job Aim high, go beyond! At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…The Satcom team is responsible for the design, delivery and performance of Open Cosmos’ satellite communications services, spanning the space segment, ground infrastructure and global connectivity.We now require a Senior Antenna and RF Payload Engineer to join the team.What will you be doing?As a Senior Antenna and RF Payload Engineer, you’ll lead the modelling, specification, and validation of antenna and RF payload systems across both satellite payloads and user terminals. You’ll play a key role in translating high-level mission and service requirements into robust, high-performance hardware designs ready for deployment in demanding operational environments.You will:Lead antenna and RF payload design activities across phased arrays, reflectors, and beamforming systemsDefine and validate electromagnetic simulations to optimise antenna and RF performanceSupport beam steering, coverage optimisation, and spectral compliance across satellite constellationsDefine technical specifications and interface requirements for RF modules and payload subsystemsGovern frequency planning, signal integrity, and linearity requirements across RF chainsPerform cascade analysis to optimise gain, noise figure, and overall link performanceSupport radiometric modelling and PFD analysis to ensure regulatory complianceLead prototyping and hardware validation activities including OTA testing and engineering model developmentDefine and oversee qualification activities including vibration, TVAC, and radiation testingWork closely with system architects, RF engineers, hardware teams, and spectrum specialists to deliver integrated solutionsWhat You’ll bring Strong understanding of antenna theory and RF system design including phased arrays, reflectors, and beamforming techniquesCapability in...

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