Senior PCB Designer II (RF)

Company: CesiumAstro
Location: Westminster
Posted on: February 10, 2026

Job Description:

Job Description Job Description Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. 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 looking to add a Senior PCB Designer II (RF) to our team. If you are excited about working in a startup environment, have a strong work ethic, and are passionate about cutting-edge electronics, we would like to hear from you. In this position, you will perform PCB layout and library management for state-of-the-art power, digital, and RF electronics for aerospace applications. Electronics design is a core part of the company’s business, and as such, these functions are critical. You will have the opportunity to work with and learn from a highly talented team with state-of-the-art tools. As a small company, the Cesium team “wears many hats.” Candidates should be comfortable with a varied workflow that may involve multitasking between PCB layout, library management, schematic capture, review, and other related tasks. JOB DUTIES AND RESPONSIBILITIES Perform complex RF and mixed-signal PCB layout in Altium Designer, working closely with engineers on staff. Own intricate and challenging PCB layouts that often feature 30 GHz RF, power, and digital on the same board, with high density and complex stackups. Generate and revise drawings and release packages for PCBs and assemblies. Manage and maintain electronic component libraries in Altium Enterprise. Generate and review schematic symbols and footprints. Maintain templates for schematics, layouts, bills-of-materials (BOMs), and other documents. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS An Associate degree in Electronics Engineering Technology or similar. 7 years of experience as a PCB Designer. Strong experience with Altium Designer. Strong understanding of the technical principles of PCB layout, with a focus on high-frequency RF. This includes shielding and impedance matching among others. Experience with high-reliability, aerospace, and/or IPC Class 3 designs. Experience with advanced PCB manufacturing techniques such as blind vias and microvias. Strong organizational skills. An eye for detail and commitment to excellence. Comfortability with collaboration tools such as MS Teams, Confluence, and Jira. The ability to work well under deadlines. Strong digital, written, and spoken communication skills, especially in the context of working with hardware engineers and mechanical engineers to complete a layout. PREFERRED EXPERIENCE Experience managing an electronic component library. Experience with PLM systems such as Arena. 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. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans. CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law. 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 will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. 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.

Keywords: CesiumAstro, Castle Rock , Senior PCB Designer II (RF), Engineering , Westminster, Colorado