{"id":4410,"date":"2026-09-25T11:39:23","date_gmt":"2026-09-25T11:39:23","guid":{"rendered":"https:\/\/theemcnews.co.uk\/?post_type=job_listing&#038;p=4410"},"modified":"2026-09-25T11:42:21","modified_gmt":"2026-09-25T11:42:21","slug":"principal-rf-engineer-i","status":"publish","type":"job_listing","link":"https:\/\/theemcnews.co.uk\/index.php\/job\/principal-rf-engineer-i\/","title":{"rendered":"Principal RF Engineer I"},"content":{"rendered":"<div class=\"_496fcd88 eebe61b8 _9e907aaf cdc21505 e44ec45d a19caacd _9d28bf94 fa3d9e2a\">\n<h2 class=\"a3b8ceaa e679664e bd77f1d9 cee5902c _9ed12745 _9cd37f2c dad557fd fdb4f4ca a78cd072 _76917905 f9c2fb56\">About the job<\/h2>\n<\/div>\n<p class=\"a3b8ceaa _49454e33 cee5902c _9ed12745 _4facca12 b21e6eae fdb4f4ca a78cd072 _76917905 f9c2fb56 _1f2f8eef\"><span class=\"ab34e6e8 _405e308b _42b5bbcd fa3d9e2a\" tabindex=\"-1\" data-testid=\"expandable-text-box\">At <strong>CesiumAstro<\/strong>, 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.<\/p>\n<p>We are actively seeking passionate, collaborative, energetic, and forward-thinking individual to join our team as a <strong>Principal RF Engineer I<\/strong>. The ideal candidate has extensive experience in board-level and system-level RF electronics design<strong>.<\/strong> 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.<\/p>\n<p>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.<\/p>\n<p>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&#8217;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.<\/p>\n<p>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.<\/p>\n<p><strong>Successful Candidates Will Require<\/p>\n<p><\/strong><\/span><\/p>\n<ul class=\"_79ca1dba _6b73e47f fa3d9e2a\">\n<li>Bachelor of Science (BS)) degree in Electrical Engineering (EE) from an accredited university or institution. Master of Science (MS) desired.<\/li>\n<li>Minimum of 9 years of industry experience in design and analysis of RF electronics and systems.<\/li>\n<li>Expert-level proficiency in professional simulation tools such as CST and ADS, as well as EDA tools such Altium.<\/li>\n<li>Extensive hands-on experience with lab instruments such as vector network analyzers, spectrum analyzers, signal generators, and oscilloscopes.<\/li>\n<li>Excellent written and verbal communication skills.<\/li>\n<\/ul>\n<p class=\"a3b8ceaa _49454e33 cee5902c _9ed12745 _4facca12 b21e6eae fdb4f4ca a78cd072 _76917905 f9c2fb56 _1f2f8eef\"><span class=\"ab34e6e8 _405e308b _42b5bbcd fa3d9e2a\" tabindex=\"-1\" data-testid=\"expandable-text-box\"><strong>Preferred Experience Includes<\/p>\n<p><\/strong><\/span><\/p>\n<ul class=\"_79ca1dba _6b73e47f fa3d9e2a\">\n<li>Python or other programming languages.<\/li>\n<li>Aerospace electronics design, development, and qualification.<\/li>\n<li>Worst-case circuit analysis, failure method and criticality analyses, and reliability analysis.<\/li>\n<li>Antenna design<\/li>\n<li>EMI\/EMC design and mitigation techniques.<\/li>\n<\/ul>\n<p class=\"a3b8ceaa _49454e33 cee5902c _9ed12745 _4facca12 b21e6eae fdb4f4ca a78cd072 _76917905 f9c2fb56 _1f2f8eef\"><span class=\"ab34e6e8 _405e308b _42b5bbcd fa3d9e2a\" tabindex=\"-1\" data-testid=\"expandable-text-box\">CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate\u2019s work experience, education\/training, and key skills.<\/p>\n<p>Please be aware that many roles will be subject to both security and export control restrictions. These restrictions mean that factors including new starter\u2019s 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.<\/p>\n<p><em>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.<\/p>\n<p><\/em>We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.<\/span><\/p>\n","protected":false},"author":1,"featured_media":4129,"template":"","meta":{"_promoted":"","_job_location":"Cambridge, England, United Kingdom","_application":"https:\/\/jobs.lever.co\/CesiumAstro\/d5348ac1-477a-47c6-aad0-1c9a42c6402a","_company_name":"CesiumAstro","_company_website":"http:\/\/CesiumAstro.com","_company_tagline":"","_company_twitter":"","_company_video":"","_filled":0,"_featured":0,"_remote_position":0,"_job_salary":"","_job_salary_currency":"","_job_salary_unit":""},"job-categories":[152],"job-types":[146],"class_list":{"0":"post-4410","1":"job_listing","2":"type-job_listing","3":"status-publish","4":"has-post-thumbnail","5":"hentry","7":"job-type-full-time"},"_links":{"self":[{"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/job-listings\/4410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/job-listings"}],"about":[{"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/types\/job_listing"}],"author":[{"embeddable":true,"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/media\/4129"}],"wp:attachment":[{"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=4410"}],"wp:term":[{"taxonomy":"job_listing_category","embeddable":true,"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/job-categories?post=4410"},{"taxonomy":"job_listing_type","embeddable":true,"href":"https:\/\/theemcnews.co.uk\/index.php\/wp-json\/wp\/v2\/job-types?post=4410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}