RF Systems Engineer

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.

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 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 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.

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.

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.

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.

Role overview OpenAI seeks a Systems Engineer to work directly with network, storage, and systems infrastructure. This position involves hands-on support for the core technology stack, ensuring that essential systems remain performant and reliable. Daily work centers on maintaining and improving the backbone that supports OpenAI's operations. The role addresses both immediate technical issues and ongoing infrastructure needs. Key focus areas Manage and optimize network, storage, and systems components Support the stability and efficiency of core infrastructure Troubleshoot and resolve issues impacting system performance Location This position is based in San Francisco.

Astranis is pioneering the development of cutting-edge satellites for high orbits, pushing the boundaries of humanity’s exploration of the solar system. Our satellites currently provide dedicated, secure networks to an array of sophisticated clients worldwide, including major corporations, sovereign governments, and the US military. With five satellites already in orbit and numerous launches on the horizon, we are addressing a backlog exceeding $1 billion in commercial contracts.Astranis has become the go-to satellite communications partner for those demanding high standards in uptime, data security, network visibility, and customization. We have successfully raised over $750 million from leading investors, including Andreessen Horowitz, Blackrock, and Fidelity, and we are proud to employ a talented team of 450 engineers and innovators. Our satellite design, manufacturing, and operational facilities are based in our expansive 153,000 sq. ft. headquarters in Northern California, USA.Payload Operations EngineerIn the role of Payload Operations Engineer at Astranis, you will be instrumental in the planning, execution, and optimization of our communications payloads during their operational life in orbit. Merging your mission engineering expertise with an understanding of RF systems, you will ensure the performance, reliability, and responsiveness of our payloads throughout their missions. This position is perfect for individuals who excel at the intersection of space operations, RF systems, and software-driven telemetry and control.

Join Cloudflare as a Principal Systems Engineer, Data, where you will lead innovative projects that enhance our data processing capabilities. You will work collaboratively with cross-functional teams to design, implement, and optimize systems that efficiently handle large-scale data. This role requires a deep understanding of systems engineering principles, strong analytical skills, and a passion for leveraging data to drive decisions. Your contributions will be pivotal in shaping the future of our data infrastructure.

Join the City and County of San Francisco as a Principal Information Systems Engineer specializing in Systems! In this pivotal role, you will lead the development and implementation of advanced information systems, ensuring the highest levels of performance and security. Collaborate with various departments citywide to deliver innovative solutions that enhance operational efficiency and foster public service excellence.

Join DoorDash Labs as a Senior Systems Engineer, where you will play a pivotal role in designing and integrating our advanced delivery platforms. You will define precise system requirements and interfaces that unite our hardware, software, and operational teams into a cohesive, reliable system. Your expertise will help translate high-level business objectives into actionable engineering specifications, ensuring our delivery solutions meet rigorous performance, safety, and regulatory standards. We are looking for a candidate with a strong background in complex system development, particularly in aerospace, autonomous vehicles, or similar safety-critical fields. You will thrive in a collaborative, fast-paced environment, leveraging your systems-level thinking to drive impactful results.

At Inngest, our Systems Engineers are the architects behind the backbone of our platform, crafting a robust execution layer, an efficient queueing system, and scalable state stores that interlink seamlessly. This role presents an exciting opportunity to tackle complex technical challenges while deriving immense satisfaction from your contributions.About Us: Inngest is pioneering innovative solutions to long-standing challenges faced by developers. Our mission is to create first-of-its-kind tools that enhance the daily workflow of developers, prioritizing user experience and performance. A strong product-centric mindset and a passion for developer tools are essential for success in this role.The Role: A successful Systems Engineer at Inngest must possess a blend of generalist and specialist skills. You will collaborate with our team to enhance the functionality of our queueing system (including debounce and concurrency mechanisms), manage vast amounts of data in our state store, and refine the API layers that facilitate user interactions. Your work will have a direct impact on millions of developers, and you will engage closely with designers, engineers, and founders to optimize user experience.Note: This position requires overlapping working hours with US PST. While residing in the San Francisco Bay Area is preferred, exceptional candidates from anywhere in the United States will be considered. Our engineering team operates in-person several days a week in San Francisco.

CoreWeave is The Essential Cloud for AI™. Designed by innovators for innovators, CoreWeave provides a robust platform of advanced technology and exceptional teams, empowering organizations to confidently build and scale AI solutions. As a trusted partner for leading AI labs, startups, and global enterprises, CoreWeave integrates unmatched infrastructure performance with extensive technical expertise, driving innovation and transforming compute capabilities into actionable results. Since its inception in 2017, CoreWeave has rapidly advanced, becoming a publicly traded company (Nasdaq: CRWV) in March 2025. Explore more at www.coreweave.com.What You’ll Do:Description of the TeamThe IT Business Systems (GTM) team at CoreWeave is responsible for the application stack that facilitates the entire customer journey—from lead generation to quoting and cash collection. This team designs and manages systems that underpin a rapidly growing AI cloud business, collaborating closely with Revenue Operations, Marketing Operations, Finance, Billing, and Customer Experience to deliver scalable, compliant, and automated workflows.About the role:As a Senior Salesforce Engineer, you will take on a pivotal role as a hands-on technical leader, tasked with designing, building, and operating Salesforce solutions across Sales Cloud, Revenue Cloud/CPQ, and GTM integrations. You will tackle high-impact projects including post-acquisition system integrations, the implementation of a new usage-based billing platform, and enhancements within quoting, forecasting, and revenue operations. This role demands deep expertise in CPQ workflows while also overseeing broader platform architecture and integrations with finance and GTM systems. You will work cross-functionally with GTM, Finance, and IT leadership to create scalable, dependable solutions that position CoreWeave for continued success.

Join our innovative team at Mindlance as a Systems Engineer. In this role, you will leverage your expertise in systems architecture and design to create cutting-edge solutions that drive our technology forward. You will work closely with cross-functional teams to ensure system reliability, scalability, and performance.

About Our TeamAt OpenAI, we are dedicated to ensuring our innovative products are effectively monetized to meet the diverse needs of our customers. Our Financial Engineering team works closely with the Go-To-Market (GTM) and Finance departments to continuously adapt our billing architecture to align with our dynamic internal requirements.About the OpportunityWe are seeking a talented Engineering Manager to oversee and enhance the workflows that drive quoting, tracking, and fulfillment for all OpenAI sales. This role is pivotal in developing essential billing and invoicing capabilities while collaborating on customer-facing billing experiences to uphold financial integrity, ensure auditability, and provide a seamless onboarding and billing journey for enterprise clients.Key Responsibilities:Lead and mentor a team of engineers focused on automating order management, prioritizing reliability, accuracy, and a positive customer onboarding experience.Own the design and roadmap for order data flows into various downstream systems, including internal provisioning, billing, invoicing, and revenue management.Create and maintain resilient workflows that automate entitlements, provisioning, usage controls, SKU attribution, invoice generation, and revenue recognition—streamlining processes while maximizing accuracy and traceability.Enhance the accuracy and timeliness of provisioning, billing, and invoicing through automation, validation, and reconciliation, reducing manual intervention.Establish robust operational practices (observability, alerting, runbooks, on-call) to ensure system health with minimal human oversight.Collaborate extensively with Sales Operations, Finance, Accounting, Support, Product, Security, and Compliance teams to translate complex requirements into resilient, auditable workflows.Navigate ambiguous problem spaces and evolving product offerings, creating scalable frameworks and abstractions as OpenAI's commercial footprint grows.Uphold high engineering standards through technical direction, design reviews, mentoring, and fostering a culture of ownership and continuous improvement.Exhibit strong leadership by mentoring engineers, recruiting and retaining top talent, managing stakeholder expectations, and balancing customer needs with deliverable realities.You Will Excel in This Role If You:Possess a passion for leading engineering teams and driving process improvements.Have a proven track record of managing complex engineering projects and fostering collaboration across diverse teams.Enjoy tackling challenges with innovative solutions while maintaining a customer-centric approach.

Waymo is at the forefront of autonomous driving technology, aspiring to become the most trusted driver globally. Originating from the Google Self-Driving Car Project in 2009, Waymo has dedicated itself to developing the Waymo Driver – recognized as The World’s Most Experienced Driver™. Our mission is to enhance mobility access and significantly reduce the number of lives lost in traffic accidents. The Waymo Driver is the backbone of our fully autonomous ride-hailing service, having completed over ten million rider-only trips, with more than 100 million miles driven autonomously on public roads and tens of billions simulated across 15+ U.S. states.Our Systems Engineering team is a dynamic group that integrates software and hardware systems in innovative ways. We set the highest performance standards to ensure our vehicles operate seamlessly and prioritize passenger safety. We are in search of passionate individuals who excel in teamwork and are driven to achieve impactful results.This position follows a hybrid work model, reporting to a Systems Engineering Manager.

Join the dynamic team at the City and County of San Francisco as a Senior Information Systems Engineer specializing in Systems. In this pivotal role, you will leverage your expertise to enhance our technological infrastructure across multiple city departments, driving efficiency and innovation.Your responsibilities will include designing, implementing, and maintaining complex information systems while ensuring optimal performance and security. You will collaborate with diverse teams to identify system requirements and develop solutions that meet the needs of our community.

Airbnb connects millions of hosts and guests, offering stays and experiences in locations around the world. Since 2007, the company has helped over 2 billion guest arrivals discover new places and cultures. Role Overview The BizTech team at Airbnb is hiring a Staff Systems Engineer focused on Oracle EPM Planning systems. This role plays a key part in supporting the Finance team, acting as the technical architect and primary developer for the EPM environment. Main Responsibilities Design and develop scalable Oracle EPM solutions for Finance Budgeting and Forecasting. Build and refine financial forecasting models. Drive process improvements using AI technologies. Integrate EPM with data warehouse systems. Translate complex business requirements into technical solutions within Oracle EPM.