Senior RF Design Engineer

Astranis is revolutionizing satellite technology, crafting advanced satellites designed for high orbits to extend humanity's presence into outer space. Our satellites are currently providing dedicated, secure communication networks to esteemed clients worldwide, including large corporations, government entities, and the U.S. military. With five satellites already in orbit and numerous launches on the horizon, we are managing a robust pipeline exceeding $1 billion in commercial contracts.Astranis stands out as the preferred partner for satellite communications, catering to clients with strict demands for reliability, data protection, network insight, and bespoke solutions. Backed by over $750 million in funding from top-tier investors, including Andreessen Horowitz, Blackrock, and Fidelity, we have a dynamic team of 450 engineers and innovators. Our operations are based in Northern California, within our expansive 153,000 sq. ft. headquarters.Senior RF Design EngineerIn the role of RF Engineer, you will lead the design, qualification, and procurement of active RF electronics (frequency converters, SSPAs, LNAs, PLLs, etc.) integral to the RF front-end of satellite payloads. Collaboration will be key as you'll work alongside mechanical, payload systems, electrical, and software engineers to ensure your designs meet comprehensive system requirements.ResponsibilitiesDesign, simulate, implement, and measure both active and passive RF sub-systems operating at microwave frequencies, including SSPAs, LNAs, power amplifiers, up/down converters, oscillators, filters, and more.Oversee hardware designs from initial requirements through to manufacturing, bring-up, and qualification testing.Integrate these systems into spacecraft by closely collaborating with team members.Specify, procure, and integrate third-party vendor hardware.Assist in the recruitment, interviewing, and onboarding of new team members as we expand rapidly.

Astranis is at the forefront of satellite technology, constructing cutting-edge satellites for high orbits that extend humanity's capabilities into the solar system. Our satellites deliver dedicated, secure networks to a variety of sophisticated clients, including large enterprises, sovereign governments, and the US military. With five satellites successfully deployed and several more on the horizon, we are addressing a robust backlog of over $1 billion in commercial contracts.Astranis is recognized as the preferred satellite communications partner for clients with demanding requirements for uptime, data security, network visibility, and bespoke solutions. We have successfully secured over $750 million in funding from top-tier investors such as Andreessen Horowitz, Blackrock, and Fidelity, and we boast a talented workforce of 450 engineers and entrepreneurs who design, build, and operate our satellites from our expansive 153,000 sq. ft. headquarters in Northern California.RF Design EngineerIn the role of RF Design Engineer, you will take on the critical responsibility of designing, qualifying, and procuring active RF electronics (such as frequency converters, SSPAs, LNAs, PLLs, etc.) for the RF front end of our satellite payloads. Collaboration with mechanical, payload systems, electrical, and software engineering teams will be essential to meet the overall system requirements.

At Specter, we are pioneering a revolutionary software-defined control plane for the physical world. Our mission is to empower American enterprises by providing unparalleled perception over their physical assets.We are developing a cohesive hardware–software ecosystem that leverages advanced multi-modal wireless mesh sensing technology, significantly reducing the cost and time to deploy sensors by a factor of ten. Ultimately, Specter’s platform will act as the perception engine for a company’s physical footprint, facilitating real-time perimeter visibility and enabling autonomous operations management.Our co-founders, Xerxes Libsch and Philip Clark, have assembled a team of exceptional engineers from Anduril, Tesla, Uber, and the U.S. Special Forces, who are transforming the way machines perceive and interact with the physical world.The RoleWe are seeking a Lead RF Engineer to spearhead the design and development of our modular software-defined radio (SDR) architecture, which serves as the communications backbone for our distributed sensing network.In this role, you will take ownership of end-to-end RF system design, from initial concept and architecture to prototyping, validation, and deployment. This includes designing a scalable, high-bandwidth, long-range mesh communications layer that seamlessly connects thousands of edge devices into a unified sensing fabric.As the RF lead, you will define the company’s radio strategy, establish our RF lab and testing infrastructure, and build a small, elite team capable of bringing designs from benchtop prototypes to production-ready hardware.ResponsibilitiesDesign and develop Specter’s modular SDR platform, integrating multi-node mesh networking with real-time software control.Define RF system and software requirements for transceiver, front-end, and antenna subsystems.Lead system-level evaluations to identify the optimal network topology, frequency bands, and modulation schemes within software-defined constraints.Engineer and prototype analog front-end components (LNAs, PAs, filters, matching networks) with close integration to digital baseband and firmware.Create automated RF testing infrastructure and validation workflows (VNA, spectrum analyzer, OTA testing) supported by software-driven test harnesses.Collaborate with firmware, networking, and cloud teams to integrate PHY-layer and OpenWRT-based mesh protocols into the broader control plane.

RF Systems EngineerJoin our client's innovative team, where we develop cutting-edge connected hardware and software systems that offer real-time insight into physical infrastructure via expansive wireless sensing networks.Our platform employs advanced multimodal wireless mesh sensing technologies, facilitating distributed perception in industrial, logistics, and operational contexts. This approach not only simplifies the deployment of sensors but also empowers organizations to efficiently monitor their assets and operations in real time.We are on the lookout for a talented RF Systems Engineer to spearhead the design and optimization of a comprehensive wireless architecture that interlinks thousands of edge devices across vast, distributed deployments.In this pivotal role, you will engage in system-level modeling, simulation, and performance validation across diverse wireless systems. You will collaborate closely with RF, firmware, and software teams to create and implement robust multi-radio architectures tailored for real-world scenarios.

Join Oura Health as an Antenna Design Engineer, where you will play a pivotal role in designing cutting-edge antenna systems for our innovative health tracking devices. You will work collaboratively with a talented team of engineers to develop, test, and refine antenna designs, ensuring optimal performance and integration into our products.

Astranis is at the forefront of space technology, developing cutting-edge satellites designed for high orbits to extend humanity’s presence within our solar system. Our satellites deliver dedicated, secure networks to a diverse clientele, including large enterprises, sovereign governments, and the US military. With five satellites already in orbit and numerous launches on the horizon, we are addressing a substantial backlog of over $1 billion in commercial contracts.Astranis is the trusted satellite communications partner for clients who demand excellence in uptime, data security, network visibility, and bespoke solutions. Having secured over $750 million in funding from prominent investors such as Andreessen Horowitz, Blackrock, and Fidelity, we are proud to employ a dynamic team of 450 engineers and entrepreneurs at our impressive 153,000 sq. ft. headquarters in Northern California.RF/Communication Systems EngineerIn this role, you will take charge of the architecture, design, and modeling of our satellite communication payloads. Collaboration will be key as you work alongside teams including antenna, SDR, RF, DSP, and mechanical engineers to develop optimal radio systems.Conduct architectural trade studies and analytically or via simulation define system and unit-level requirements.Lead R&D initiatives for innovative radio features, technologies, and custom components.Engage with multiple design teams, including RF, antenna, digital hardware, FPGA, mechanical, and thermal.Design and test communications-related signal processing algorithms.Support recruitment efforts by interviewing and onboarding new team members to our rapidly expanding team.

Astranis is revolutionizing satellite communication by designing and deploying cutting-edge satellites for high orbits, thereby enhancing humanity’s exploration of the solar system. Our state-of-the-art satellites deliver dedicated, secure networks to a diverse clientele, including major enterprises, government entities, and the US military. With five satellites in orbit and a robust pipeline of future launches, we are addressing over $1 billion in commercial contracts.As the preferred partner for satellite communications, Astranis meets the rigorous demands for uptime, data security, network visibility, and customization. Backed by over $750 million from esteemed investors such as Andreessen Horowitz, Blackrock, and Fidelity, our dynamic team of 450 engineers and entrepreneurs operates from our expansive 153,000 sq. ft. headquarters in Northern California.As an RF Systems Engineer, you will be pivotal in shaping our RF systems roadmap, evaluating trade-offs, incubating new technologies, and managing RF sub-systems budgets and requirements. You will model payload and TT&C systems for both commercial and USG satellites, taking ownership of your projects while collaborating across teams to innovate and advance satellite technology.

Astranis is at the forefront of aerospace innovation, crafting cutting-edge satellites designed for high orbits, thereby extending humanity's capabilities into the cosmos. Our satellites deliver dedicated and secure networks to a diverse clientele that includes large corporations, government entities, and the U.S. military. With five satellites currently in orbit and several more set to launch imminently, we are addressing a robust backlog exceeding $1 billion in commercial contracts.As the go-to partner for satellite communications, Astranis caters to clients with demanding needs for uptime, data security, network visibility, and customization. Having secured over $750 million in funding from esteemed investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 skilled engineers and entrepreneurs thrives in our 153,000 sq. ft. headquarters located in Northern California.Senior Mechanical Engineer - RF PackagingIn the role of Senior Mechanical Engineer for Electronics Packaging at Astranis, you will take full ownership of the lifecycle of various components and subsystems aboard our spacecraft. Collaborating with multiple teams, you will implement incremental improvements and introduce new systems to fruition.Beyond your individual contributions, you will mentor and guide junior mechanical engineers through these projects. A robust problem-solving mindset, hands-on testing capabilities, and preferably experience in spacecraft or aerospace engineering are essential for success in this role.

Join Planet Labs and help us harness the power of space to benefit life on Earth.At Planet, we are pioneers in the design, construction, and operation of the largest constellation of imaging satellites ever created. Our innovative cloud-based platform offers an unparalleled dataset of empirical information, catering to leaders in commercial, environmental, and humanitarian fields. We blend the realms of space exploration and data innovation.Our data empowers customers worldwide to create groundbreaking technologies, drive revenue, advance research, and tackle some of the planet's most pressing challenges.Our team, composed of experts across diverse fields, is dedicated to maintaining control over every aspect of hardware design, manufacturing, data processing, and software engineering, fostering a truly inspiring workplace.We prioritize a people-centric culture and community, iterating in ways that prioritize our team members and position our company for sustainable growth. Be a part of our mission to transform perspectives on our world.With a global workforce, Planet Labs has employees working remotely from various locations, including our offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.Internship Overview:Our Summer 2026 internships are full-time, paid positions spanning 12 weeks, located at our San Francisco headquarters.Program Dates:June 1 - August 21June 22 - September 11Role Summary:As a part of our team, you will contribute to the development of next-generation onboard and ground radios, modems, and antenna systems aimed at pushing the boundaries of satellite communications. This role focuses on improving the performance, reliability, and cost-efficiency of communication systems, including the design of advanced S-band to Ka-band radios and Intersatellite Optical communications. You'll engage in the design and implementation of communication systems, collaborating on various ongoing projects.

Join Interaction, a cutting-edge company in the heart of California, as we seek talented design engineers to enhance our innovative team. We are dedicated to finding exceptional individuals who share our passion for technology and design.We invite you to apply if you:Have a strong passion for technology and design, backed by well-informed opinions.Can engage in thoughtful discussions about various tools and applications like Arc, Roam, Tana, Hey.com, Things, Cron, Raycast, and more.Possess expertise in frameworks such as Next.js, React, and SwiftUI.

Parallel is seeking a Design Engineer in San Francisco or Palo Alto. This role centers on creating innovative solutions that align with both industry standards and customer requirements. Role overview As a Design Engineer, collaboration sits at the heart of the work. Expect to work closely with a skilled team to design and implement new products. The position calls for both creative thinking and strong technical skills to ensure each design meets high quality standards. What you will do Work with team members to develop product designs from concept through implementation Apply technical expertise to solve design challenges and refine solutions Ensure all products meet industry benchmarks and customer expectations Requirements Experience in product design and engineering Ability to collaborate effectively with others Strong creative and technical problem-solving skills

Role Overview Firecrawl is looking for a Design Engineer to join the team in San Francisco. This hybrid role combines in-office collaboration with the flexibility to work remotely part of the week. What You Will Do Create and refine product designs from initial concept through to final implementation Work closely with cross-functional teams to ensure products meet standards for quality and functionality Apply technical knowledge and creativity to help move projects forward Location and Work Environment This position is based in San Francisco, CA, with a hybrid schedule that balances team interaction and independent work.

About BraintrustBraintrust is at the forefront of AI observability, providing a unique platform that merges evaluations and observability into one cohesive workflow. Our mission is to empower developers with the insights they need to comprehend AI behavior in production and the tools necessary for enhancement.Leading tech teams at companies like Notion, Stripe, Zapier, Vercel, and Ramp utilize Braintrust to analyze model performance, test prompts, and identify regressions. We transform production data into superior AI solutions with every iteration.Role OverviewWe are seeking a passionate Design Engineer who excels in tackling intricate challenges and crafting products that resonate with power users. Our primary audience consists of engineers and product managers at cutting-edge tech firms who rely on our product daily to conduct experiments, evaluate user interactions, and explore innovative concepts, fluidly transitioning between their code and our user interface.In this pivotal role, you will:Significantly influence the core user experience of our offerings. Your work will span UI, API, and SDK, ensuring that Braintrust becomes an indispensable tool for AI engineers.Engage closely with our user base to grasp their requirements and shape the product roadmap. You will take ownership of the product lifecycle, from requirement gathering to ideation, design, and implementation.Collaborate intimately with our product and engineering teams. Your efforts will contribute to establishing a design system that facilitates swift product iterations.Ideal Candidate ProfileDemonstrated experience in designing B2B products with complex specifications from inception to launch.A passion for building and familiarity with modern development tools (please share your GitHub link!).Proven track record of managing projects end-to-end and a willingness to acquire any necessary knowledge to complete tasks.A history of thriving in environments with ambiguity, competing priorities, and tight deadlines.What We OfferComprehensive medical, dental, and vision coverageDaily provisions of lunch, snacks, and beveragesFlexible vacation policyCompetitive salary structure and equity optionsAI Stipend for resourcesInclusivity CommitmentAt Braintrust, we are committed to being an equal opportunity employer. We value diversity and welcome applicants from all backgrounds without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Metriport is hiring a Design Engineer in San Francisco. This position centers on turning ideas into practical designs that serve client needs. The work involves close collaboration with colleagues from different specialties to move concepts from initial sketches to finished products. Role overview The Design Engineer will contribute engineering expertise to develop new solutions and refine existing ones. Each project requires attention to both quality and efficiency, with a focus on meeting client expectations at every stage. Collaboration Expect to work alongside cross-functional teams throughout the design process. Communication and teamwork are essential as concepts evolve and move toward implementation.

=== Hex is seeking a passionate and systems-oriented Design Engineer to spearhead the advancement of our innovative product design system, known as Spellbook. This pivotal role is embedded within the Design organization and collaborates closely with Product Engineering to establish a cohesive, scalable, and high-quality user interface foundation. Your responsibilities will include architecting, implementing, and maintaining the essential building blocks that drive Hex’s product. This encompasses components, tokens, documentation, accessibility standards, and sophisticated interaction patterns. You will partner with designers and engineers to ensure our product experience is crafted with precision, consistency, and sustainable maintainability in mind. Lead the design system. Define the strategic roadmap, establish component standards, enhance system ergonomics, and facilitate contributions across teams. You will be the go-to person for the development of our interface components. Focus on scalability and quality. Transform design patterns into robust, accessible components. Create and sustain tokens, documentation, and tools to guarantee widespread adoption and user-friendliness. Elevate quality through collaboration. Work closely with designers and engineers to enhance UI quality, visual appeal, and consistency across products. This involves advocating for best practices and educating the organization. Prototype and innovate. Develop prototypes to showcase advanced interactions, validate user experience patterns, and guide product direction. ===

As a Lead Design Engineer at Braze, you will spearhead innovative design solutions, utilizing your expertise to create exceptional user experiences. Collaborate with cross-functional teams to drive product design from concept to completion, ensuring alignment with business goals and user needs. You'll be at the forefront of design strategy, mentoring junior designers and influencing product direction.

Join SerVal as a Design Engineer where you will play a crucial role in the development and improvement of innovative design solutions. You will collaborate with cross-functional teams to create high-quality products that meet customer needs and industry standards. Your responsibilities will include conceptualizing designs, conducting analyses, and refining prototypes to ensure optimal performance.

Exa is building a new kind of API for global knowledge and is among the few teams developing a search engine from scratch. The research lab is dedicated to advancing information retrieval technology. Designers here play a key role in shaping both web interfaces and brand experiences, especially for developer-focused products. Strong visual instincts and the ability to elevate every touchpoint are valued. Role overview The Creative Design Engineer will help define how users interact with Exa’s products and the overall brand. This position offers significant creative freedom, with designers often leading new initiatives based on their insights. The work is hands-on and fast-moving, covering a wide range of projects. Success in this role depends on adaptability, delivering polished designs, building dynamic prototypes, and creating engaging interactions. What you will do Lead product design across all platforms and user touchpoints. Create visual concepts in Figma or similar tools and adapt them for the web. Explore and define agent-native experiences, rethinking how autonomous agents influence user interactions with Exa’s products. Identify opportunities for growth and develop or refine product workflows and high-fidelity visuals. Sample projects Collaborate with front-end engineers to shape the API playground’s flow, layout, and features. Design onboarding, documentation, and debugging experiences that integrate seamlessly with coding workflows. Requirements Proficiency with Figma, Sketch, and Adobe Creative Suite. Experience using coding agents for project delivery and design iteration. Interest in emerging tools such as coding agents, design libraries, and shaders. Strong understanding of UX/UI principles, especially for complex technical products. At least 3 years of design experience, with 1-2 years in-house preferred. Ability to bring a unique perspective and sound judgment. Comfort working in a high-growth startup environment. Location and benefits This is an in-person position based in San Francisco, California. Exa offers visa sponsorship for international candidates (including STEM OPT, OPT, H1B, O1, and E3). Premium healthcare: medical, dental, and vision Fertility benefits Monthly wellness stipend

Location: Hybrid - Palo Alto OR San Francisco Office 2 days/week (Tuesday/Thursday)About Midi HealthMidi Health stands at the forefront of virtual healthcare, dedicated exclusively to enhancing women's midlife health. We provide insurance-backed care for women as they navigate the complexities of perimenopause, menopause, and various hormone-related health issues. Our innovative care model blends clinical expertise with cutting-edge technology to elevate access, health outcomes, and quality of life for millions of women.Backed by premier investors, we are in a rapid growth phase, currently serving hundreds of thousands of patients across the United States. If you thrive in a dynamic, mission-driven environment focused on impactful healthcare solutions, we would be thrilled to connect with you!Role SummaryThe Design Engineer role bridges the gap between product design and frontend engineering, transforming design concepts into code-first prototypes. This position is pivotal in implementing the design system, creating reusable components, and ensuring a cohesive, high-quality user interface across our product offerings. The Design Engineer will also lead the establishment and enhancement of AI-driven design workflows, seamlessly integrating design tools (such as Figma) with coding tools (like Claude Code) to expedite prototyping and execution.Key ResponsibilitiesUI ImplementationTransform product requirements into code-first prototypesGuarantee visual and interaction consistency across systems (from Figma to code)Design SystemDevelop and uphold reusable UI componentsFacilitate the rollout of the design system throughout the productFigma ↔ Code IntegrationEstablish and manage Figma Code ConnectCreate workflows that bridge Figma and the frontend codebaseEnsure a seamless mapping of design components to production elementsAI Workflow EnablementImplement and oversee Figma MCP + Claude workflowsEnable code-first prototyping based on design inputsAssist the team in leveraging AI for UI generation and iterationCollaborationCollaborate with Product Design, Product, and Engineering teamsProvide constructive feedback on implementation during the design phaseQuality AssuranceEnsure consistency and polish across the product UIIdentify opportunities for efficiency and reuse

Join xdof as a Product Design Engineer and contribute to innovative design solutions that elevate user experiences. You will collaborate with cross-functional teams to create and develop product designs that meet both user needs and business objectives. This role offers the opportunity to engage in all stages of the design process, from ideation to prototyping and testing.