Radio Frequency Hardware Engineer - DoorDash Air

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Role Overview: At Cohere, we believe in the power of multimodal AI to revolutionise the way we interact with technology. Our engineering teams push the boundaries of what's possible, and we're looking for talented individuals to join us on this exciting journey. With an exceptional ratio of compute resources to engineers, we provide an ideal environment for you to explore, innovate and shape the future of AI. On July 31st 2025, Cohere's Multimodal team Introduced Command A Vision: Multimodal AI Built for Business. At release our new flagship vision-language model: ● Consistently outperforms major models like Llama 4 Maverick, Mistral Medium/Pixtral Large, and GPT4.1 ● 83.1% average benchmark (73.5% MathVista, 90.9% ChartQA...) ● Built for the real world - 112B parameters running on just 2 GPUs ● Open weights live on HuggingFace With a focused team, breakthrough performance doesn't require breakthrough compute. Focus on the things that matter, and join the team. This role is perfect for you if you: Have a deep passion for machine learning and its potential to impact various industries through multimodal applications. Enjoy tuning

About the Team The Connectivity Software Engineering team is responsible for enabling seamless, secure, and high-performance wireless connectivity across OpenAI’s products. We design and optimize Bluetooth, BLE, Wi-Fi, and emerging wireless technologies to ensure robust device pairing, network performance, and interoperability. Our work spans kernel drivers, system services, and user-level tools, with a focus on real-world performance, scalability, and reliability. About the Role OpenAI is seeking a Connectivity Software Engineer to design, implement, and optimize wireless connectivity features across our product ecosystem. You’ll work at the intersection of systems software, wireless standards, and hardware integration—building robust pairing and provisioning flows, debugging low-level protocols, and driving performance under real-world RF constraints. You will also support certification, field interoperability, and fleet-scale connectivity infrastructure. This role is based in San Francisco, CA . We use a hybrid work model of 4 days in the office per week and offer relocation assistance to new employees. In this role, you will: Design, implement, and debug Bluetooth/BLE and Wi-Fi features across kernel drivers, BlueZ/wpa_supplicant/hostapd, and systemd/D-Bus services Deliver robust pairing, bonding, and provisioning flows (GATT/GAP, LE Audio/LC3, WPA3/802.1X, captive portals, NAN) Optimize link performance: throughput, latency, jitter, roaming, coexistence (BT↔Wi-Fi), and power modes (TWT, WoWLAN) Build reliable network management using NetworkManager/nmcli, nl80211/cfg80211/mac80211, DNS/DHCP/mDNS, P2P/SoftAP Instrument and analyze with packet captures and tooling (btmon/hcidump, Wireshark, iperf, eBPF/perf, spectrum sniffers) Drive interoperability and certification readiness (Bluetooth SIG, Wi-Fi Alliance) and resolve field issues with root-cause fixes Contribute to OTA-safe configuration, telemetry, and diagnostics for fleet-scale operation You might thrive in

About the Team DoorDash Labs is an independent innovation hub within DoorDash, focusing on developing automation and robotics solutions to enhance last-mile logistics. Our mission is to create technologies that support and augment human networks, aiming to improve efficiency for Dashers, merchants, and consumers alike. We are a highly senior team composed of former pioneers from a variety of different robotics industries. If you have a passion for applying AI and robotics solutions in a service used by millions of people, then we want to talk to you! Please Note: This role is based in San Francisco, CA, and requires being in-person 5 days a week. About the Role We are seeking a Senior RF Engineer to join our multidisciplinary team developing mission-critical RF/electrical systems for unmanned platforms.This role offers a rare opportunity to gain deep insight into RF design and validation, contributing across the full product lifecycle, from early concept and prototyping through production. In this role, you will apply deep expertise in electromagnetic theory and wireless system design to ensure autonomous platforms operate with exceptional reliability and precision. You will design, optimize and validate RF / mixed-signal PCBAs with a strong focus on interference mitigation, troubleshoot system-level desense, and leverage a thorough understanding of wireless technologies including LTE, 5G NR, Wi-Fi, GPS, and UWB. You’re excited about this opportunity because you will… Lead the development of innovative solutions that span across RF, Mixed signal and mechanical domain. Design RF hardware as well as wireless testbeds to support system validation, and lead the execution and documentation of system-level design and verification Provide expertise, mentorship to partner teams regarding EMI mitigation strategies, and cross-functional debug processes Characterize EMI caused by internal & external aggressors by tracing root causes using EMC probes

We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger – helping to simplify health care one person, one family and one community at a time. Pay Rate: $18.00 per hour Shift Schedule: 4:30 AM start time with a typical end time of 1:00 PM. This is an open‑ended shift, and associates must be able to work beyond the scheduled end time as required by workload and operational needs. Job Profile Summary Maintains certification on power equipment and pulls replenishments by picking individual cases utilizing wire-guided power equipment and a radio frequency unit. Job Description Primary Job Duties & Responsibilities Assists with routine technical support tasks for the RX Equipment area under general supervision. Communicates deviations from expected outcomes to internal teams. Collects feedback from the warehouse department to ensure the technical support function is responsive to business needs. Documents the receipt of control drugs and cooler drugs and verifies the number of cartons and pallets in each delivery. Assists pharmacists and pharmacy technicians with equipment operations; coordinates pharmacy deliveries and orders to ensure timely service. Inspects the final RX product for appropriateness and uniformity and verifies product labels for accuracy to ensure ready for delivery. Maintains specialized pharmacy equipment, su

Tactical RF Sensors Subsystem Lead Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Tactical RF Sensors Subsystem Lead Engineer to be the lead for sensor subsystem in Berkeley, MO , supporting a proprietary Air Dominance Fixed Wing program . You will be joining a fast-paced program where you will be responsible for developing and integrating complex, highly integrated, radio frequency (RF) sensor systems. In this role, you will be joining a cross-functional team integrating next generation capabilities as part of a very exciting and critically important development effort. Your role will be to oversee and coordinate the work of a team of engineers throughout the various stages of the program development life cycle. You will have the opportunity to operate in an agile development environment to mature our products, work on next generation open-architecture model-based designs, and to collaborate across multiple disciplines. The day-to-day activities of this position will be a combination of traditional design engineering, coordinating the daily activity of the engineering team, overseeing and approving technical work, collaborating with cross-functional peers, and presenting technical challenges and solutions to leadership. Frequent interaction with program leadership, customers, and industry partners during critical design phases will be key elements of this position. This position will provide the candidate an opportunity to develop their engineering skills with potential growth into a leadership role. Position Responsibilities: Coordinates the daily activity of an engineering team using agile toolsets (JIRA, Confluence, etc.) Provides technical

Work Flexibility: Onsite ​​​ Schedule 1st Shift: Mon – Fri, 8am – 5pm Overtime based on business needs What you will do As the Senior EMC & RF Test Technician, you will contribute to global regulatory compliance efforts through the execution of testing activities, development of in-house laboratory capabilities, and support of projects that ensure products meet evolving international product safety and EMC standards.​​ ​​​Perform and document electromagnetic compatibility (EMC) and radio frequency (RF) testing on new and existing medical devices to demonstrate compliance with applicable domestic and international standards. ​Operate, maintain, troubleshoot, and verify EMC and RF laboratory equipment, including shielded rooms, EMC chambers, antennas, receivers, signal generators, amplifiers, and associated test instrumentation. ​Configure, build, modify, and verify product test setups and support equipment to meet EMC and RF testing requirements. ​Support the development, expansion, and continuous improvement of in-house EMC and RF testing capabilities to meet evolving technology and compliance requirements. ​Collaborate with engineering teams to develop test strategies, execute compliance testing, and support product development activities. ​Investigate, troubleshoot, and document test failures, observations, and anomalies, communicating findings and recommendations to engineering and project teams. ​Create, update, and maintain test procedures, protocols, job-aids, work instructions, and laboratory documentation in accordance with quality system requirements. ​Evaluate, recommend, procure, and maintain laboratory equipment, software, and tools necessary to support current and future EMC and RF testing capabilities. ​Identify and implement improvements t