Senior Cellular/Radio Frequency (RF) Engineer II

Join MetroStar Systems as a Senior Cellular/Radio Frequency (RF) Engineer II, where you will leverage your expertise in RF engineering to help drive innovative solutions in wireless communication. In this pivotal role, you will collaborate with cross-functional teams to design, develop, and implement advanced RF systems that meet the evolving needs of our cl…

Become a Force for Good at Axon.At Axon, our mission is to protect life. We tackle society's most pressing safety and justice challenges with our innovative ecosystem of devices and cloud-based software. Our collaborative approach drives us to connect openly and empathetically, embracing diverse perspectives from our customers, communities, and colleagues.Working at Axon is dynamic, challenging, and impactful. Here, you will have the opportunity to take ownership and effect meaningful change, continuously growing as you contribute to a mission that truly matters at a company that values you.Our mission is to protect life.We are dedicated to making the world a safer place by addressing significant public safety challenges. From our origins in developing TASER devices to our comprehensive suite of hardware and software solutions, we provide law enforcement agencies with the state-of-the-art tools and services they need to serve and protect effectively. Our vision includes eliminating the burden of paperwork in policing, enabling officers to spend more time building community relationships. We aim to center video in police records to expedite the pursuit of truth in our justice system, and we are committed to relentless innovation until our solutions render bullets obsolete.It’s a monumental mission, but it’s one we passionately pursue every day.

Are you passionate about enhancing our nation's essential infrastructure by ensuring secure communication systems for first responders, utilities, and transportation?Would you enjoy being part of a thriving, nationally recognized business that operates across multiple locations, specializing in the installation, configuration, and troubleshooting of advanced police, fire, or utility equipment?Do you excel as an independent, self-driven contributor while also being ready to lend a hand to your team in the face of unexpected challenges?Company OverviewFounded in 1972, RACOM is committed to designing, selling, installing, and maintaining cutting-edge technologies integral to the “second half of the 911 response equation.” Our solutions encompass everything from the moment an emergency dispatcher takes a 911 call to the arrival of police, fire, and ambulance services on the scene, including specialized phone systems, pagers, radios, voice recorders, warning lights, and sirens.With over 40 years of experience, RACOM has built an exceptional reputation for delivering high-quality products and services. In February 2023, Eastern Communications proudly acquired RACOM, expanding its workforce to 250 employees across 17 locations nationwide.Role OverviewThe Radio Frequency (RF) Technician plays a vital role in installing, configuring, maintaining, and troubleshooting RF communication systems essential for mission-critical operations in public safety, utilities, and transportation sectors. You will ensure optimal system performance, regulatory compliance, and a reliable communication infrastructure.The ideal candidate will possess a solid background in technology or electronics, with the capability to learn RF systems quickly. You should be adept at diagnosing and resolving complex issues, while effectively communicating these challenges to both technical and non-technical audiences. This role directly influences the functionality, efficiency, and safety of specialized communication equipment that serves and protects our communities.Based at a local service center, the RF Technician will primarily support nearby operations, with occasional travel required for installations, operations, and training across various regions in the Pacific Northwest.

Are you passionate about enhancing our nation's critical infrastructure and ensuring secure communications for first responders, utility services, and transportation systems?Would you like to become part of a dynamic, nationally recognized, multi-location enterprise that specializes in the installation, configuration, and troubleshooting of essential equipment for police, fire, and utility services?Do you pride yourself on being a self-driven, independent professional who is also ready to assist teammates when challenges arise unexpectedly?About RACOM CorporationFounded in 1972, RACOM Corporation designs, sells, installs, and maintains all technologies utilized in the crucial second half of the 911 response equation—from the moment an emergency dispatcher receives a 911 call to when first responders reach the scene. Our services encompass specialized phone systems, pagers, radios, voice recorders, warning lights, and sirens.RACOM has built an outstanding reputation for delivering top-tier products and services throughout its 40+ years of operation. In February 2023, Eastern Communications acquired RACOM Corporation, resulting in a workforce of 250 professionals across 17 locations nationwide.Role Overview: Radio Frequency TechnicianThe Radio Frequency (RF) Technician will be responsible for the installation, configuration, maintenance, and troubleshooting of RF communication systems that support mission-critical operations for public safety, utilities, and transportation sectors. This position ensures optimal system performance, compliance with regulations, and dependable communication infrastructure.The ideal candidate will possess a strong background in technology or electronics, alongside the capacity to learn RF systems. You should be adept at diagnosing and resolving complex issues and effectively communicating these to both technical and non-technical stakeholders. Your contributions will significantly enhance the functionality, efficiency, and safety of specialized communication equipment that serves and protects our communities.Based at a local service center, the RF Technician will primarily support nearby service centers, with occasional travel required for operations, installations, and training across various regions.Note: This position is located in Yakima, Washington, with the majority of responsibilities focused on supporting the Moses Lake and Yakima service centers. While primary duties are local, the technician should be prepared for short trips to assist with operations and training throughout Washington (e.g., Spokane and Lacey service centers) and the surrounding West Region as needed.

Join Helion as a Principal RF Electrical Engineer and play a pivotal role in designing and developing innovative RF solutions. In this exciting position, you will lead projects from conception through execution, collaborating with a talented team of engineers to deliver cutting-edge technology. Your expertise will help shape the future of wireless communication.

At SpaceX, we believe in the exciting potential of humanity exploring the stars. We are actively developing innovative technologies to make this vision a reality, with the ultimate goal of establishing human life on Mars.SENIOR RF SILICON SOFTWARE ENGINEER (STARLINK)Join us at SpaceX as we utilize our expertise in rocket and spacecraft engineering to advance Starlink, the world's leading broadband internet system. Starlink, the largest satellite constellation globally, is delivering fast and reliable connectivity to millions. We design, construct, test, and operate every component of the system — from thousands of satellites to consumer receivers that enable users to connect within minutes of unboxing, as well as the software that integrates it all. We are just beginning to explore Starlink's vast potential and are in search of top-tier engineers to enhance its utility for communities and enterprises worldwide.We are seeking engineers with a strong background in electrical engineering and software development to bring cutting-edge silicon to life. The ideal candidate will possess extensive real-world experience across multiple domains bridging hardware and software: RF measurements, automation software, hardware development, and embedded firmware. You will work within a multidisciplinary team dedicated to tackling complex challenges associated with the silicon used in terrestrial and space-based elements of a high-performance wireless digital communication system. As part of our team, you will take extreme ownership of the silicon lifecycle, from system requirements and chip design to characterization, production ramp-up, and on-orbit telemetry monitoring.

Founded on the vision of making space exploration a reality, SpaceX is at the forefront of developing innovative technologies that aim to enable human life on Mars. Our mission is to revolutionize space travel and connect millions globally through our advanced satellite systems.SENIOR RF/MICROWAVE ENGINEER, SATELLITES (STARLINK)At SpaceX, we are utilizing our extensive experience in rocket and spacecraft engineering to deploy Starlink, the world’s most sophisticated broadband internet service. As the largest satellite constellation globally, Starlink provides fast and reliable internet access to millions. Our team is responsible for designing, building, testing, and operating all components of this groundbreaking system, from thousands of satellites to consumer receivers and the integrated software.As a member of our Satellite Payload Engineering team, you will focus on developing RF devices that power our satellites and ground antennas, including power amplifiers, waveguide components, reflectors, and antennas. The ideal candidate will work within a multidisciplinary team dedicated to creating high-performance wireless digital communication systems, from the antenna to the protocol level. Your role will involve the design, implementation, and verification of electrical hardware for both satellites and ground communication systems.

At SpaceX, we believe that a future where humanity explores the stars is inherently more thrilling than one where we remain Earth-bound. Our mission is to create the technologies necessary for this journey, ultimately enabling human life on Mars.RF SILICON SOFTWARE ENGINEER (STARLINK)We are harnessing our expertise in rocket and spacecraft engineering to deploy Starlink, the most advanced broadband internet system in the world. As the largest satellite constellation, Starlink provides fast and reliable connectivity to millions of users around the globe. We design, build, test, and operate all components of the system—including thousands of satellites, consumer receivers that connect users in minutes, and the software that integrates it all. We are just beginning to explore Starlink's vast potential and are seeking top-tier engineers to help maximize its benefit for communities and businesses worldwide.SpaceX is searching for engineers with strong backgrounds in electrical engineering and software development to bring innovative silicon solutions to life. The ideal candidate will possess hands-on experience across various domains, including RF measurements, automation software, hardware development, and embedded firmware. You will join a multidisciplinary team dedicated to addressing complex challenges related to the silicon used in high-performance wireless digital communication systems, both terrestrial and space-based. This team takes full ownership of the silicon lifecycle, from system requirements to chip design, characterization, production ramp-up, and on-orbit telemetry monitoring.RESPONSIBILITIES:As part of the RFIC team, you will tackle demanding challenges associated with all facets of the RF silicon that we develop in-house. Much of the measurement system software and hardware you create will be pioneering, supporting RF/RFIC designs for the foreseeable future.Design and construct unique automated measurement systems capable of capturing data that off-the-shelf equipment cannot, often requiring both new hardware and software designs.Power on new silicon, frequently being the first engineer to activate chips for the very first time.Develop tools and reusable libraries for instrument control, data collection, and analysis of radio subsystems.Analyze measurement data to derive insights into both component and system performance.Create fully-validated reference designs for both hardware and software.

Join SpaceX as an RF/Microwave Engineer specializing in satellite technologies for our revolutionary Starlink project. In this role, you will be responsible for the design, development, and testing of RF systems that are crucial to the success of our satellite communications. You will collaborate with cross-functional teams to innovate and implement cutting-edge RF solutions that will enhance global connectivity.

CHAOS Industries builds multi-product solutions for modern defense, supporting warfighters, commercial air operators, and border security teams. Our portfolio centers on Coherent Distributed Networks (CDN™), designed to help users respond quickly and adapt to changing threats. Founded in 2022, CHAOS Industries has raised $1 billion from investors including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. Learn more at www.chaosinc.com. Role Overview CHAOS Industries seeks a Staff RF Geolocation Engineer to lead the development of passive RF geolocation technology within our electromagnetic warfare products. This role focuses on building, implementing, and validating high-performance localization solutions for distributed systems that detect, characterize, and geolocate non-cooperative RF emitters in complex environments. The position covers the full algorithm lifecycle: from first-principles formulation and high-fidelity modeling to software integration, calibration, field demonstrations, and validation. Collaboration with Business Development, Production, and cross-functional Engineering teams is central to the work. What You Will Do Design and develop advanced passive RF geolocation algorithms, including TDOA, FDOA, and hybrid architectures for distributed sensor networks. Create both coherent and non-coherent passive geolocation and imaging methods, such as phase-aligned multi-node processing for interferometric performance and envelope-based localization techniques. Implement statistical signal detection frameworks (Neyman-Pearson, Bayesian, CFAR) to improve detection probability across varied noise, interference, and target scenarios. Apply estimation and detection theory, including maximum likelihood estimation and error bound analysis, to build robust and analytically sound localization solutions. Model, simulate, and address real-world non-idealities to ensure optimal performance in practical deployments.

As a Senior RF Front-End Module Design Engineer at SpaceX, you will play a pivotal role in the design and development of advanced radio frequency integrated circuits (RFICs). You will collaborate with a talented team of engineers to innovate and enhance RF front-end modules that are crucial for our aerospace applications.This position offers the opportunity to engage in cutting-edge technology projects and make significant contributions to the future of space exploration.

About Us:At Quartermaster AI, we are committed to ensuring that the ocean is a safe and sustainably managed resource for everyone. By harnessing the power of advanced AI and robotics, we unlock capabilities that were previously unimaginable. Our innovative distributed open-ocean systems empower every vessel to sense, compute, and communicate, significantly enhancing maritime domain awareness for those who require it most.Job Description:We are seeking a talented RF and AI Systems Engineer specializing in Artificial Intelligence with a focus on RF analysis. In this pivotal role, you will develop and deploy machine learning systems that utilize Software Defined Radio (SDR) data for real-time maritime intelligence. You will collaborate with our team to construct AI models that provide contextual insights into vessel activities based on observed RF signatures. This position is perfect for individuals who excel in navigating complex and sometimes ambiguous challenges, bridging theory with practical implementation, and are motivated by the prospect of creating AI systems that operate in dynamic, constrained, and remote environments.Key Responsibilities:Conduct research, design, and implement cutting-edge machine learning models that integrate vision, RF, and acoustic signals for detection, classification, and tracking tasks.Architect sensor fusion pipelines that enable robust, redundant, and context-aware perception in dynamic settings.Work closely with domain experts and systems engineers to transform raw sensor data into actionable inputs for models.Design and manage data pipelines for multi-modal learning, including data alignment, augmentation, and preprocessing across various modalities. Optimize models and inference workflows for low-latency execution on embedded and edge computing platforms.Lead performance analysis of individual and fused modalities, driving strategies for enhancing robustness and generalization.Prototype and operationalize innovative research in sensor fusion, uncertainty modeling, and representation learning. Contribute to long-term architectural decisions regarding multi-modal AI infrastructure, tooling, and evaluation frameworks.Thoroughly document model design, training methodologies, and validation processes with precision and clarity.

As a Senior Infrastructure Engineer II, you will play a pivotal role in designing and maintaining mission-critical data center environments that significantly impact the federal government. Our dedicated team is committed to delivering secure and highly available infrastructure operations, where your hands-on expertise will enhance reliability, resilience, and our capacity to support vital missions. At MetroStar, we believe that exceptional technology services stem from exceptional people. Our two-decade legacy of assembling the best and brightest teams reflects our obsession with our workforce. We understand that our future hinges on our profound commitment and unwavering focus on our people, which is why we live by our mission: A passion for our people. Value for our customers. If you envision yourself contributing to our mission and achieving our goals, please take a moment to review the job description below!

CapStone Solutions, a leading telecommunications construction firm, is actively seeking a skilled RF Tower Technician III / Top Hand to join our dynamic team serving the greater Kent/Seattle area.As a locally-owned organization, we prioritize meeting the unique needs of our wireless customers while fostering a healthy work-life balance for our employees and their families. Our core values include respect, kindness, honesty, and integrity. We are committed to mentoring our staff and providing opportunities for personal and professional growth.Key ResponsibilitiesInstall, remove, configure, and repair telecommunications equipment at cell sites and related systems.Maintain and install power equipment.Climb towers, poles, and various structures to install, reconfigure, and repair microwave and other antenna and cable equipment.Operate electronic test equipment, including cable testers, fiber testers, battery testers, and other RF analysis tools.Install outdoor cell site systems, including cabinets, related conduits, and ice bridges.Troubleshoot and analyze data related to microwave systems.Conduct installations and testing of power, fiber optic, cat5/cat6, waveguide, and coaxial cables.Interpret Scope of Work (SOW) documents and deliver project outcomes per specifications.Rack and mount fixed telecom equipment.Maintain, install, configure, adjust, and perform minor repairs on microwave systems, including towers.QualificationsAbility to work safely at heights up to 500 feet.Willingness to work outside of standard business hours, including nights and weekends as required.Self-motivated with a strong desire to learn and retain new knowledge.Team-oriented with excellent interpersonal communication skills.Strong work ethic and positive attitude.Willingness to mentor and train others while also being open to receiving mentorship.Ability to learn and retain physical and mechanical installation specifications.Must pass preliminary drug screening, criminal background check, and driving background check.Able to lift, carry, push, and pull over 75 lbs.Dependable, punctual, and effective communicator.Preferred QualificationsValid Driver's License.Reliable transportation.Competent Tower Climbing Certification.RF Safety and Awareness Certification.CPR/First Aid Certification.Bloodborne Pathogens Certification.OSHA 10 Certification.NWSA Certification.

MetroStar Systems is hiring a Senior DevSecOps Engineer II in Washington, DC. This position centers on strengthening the security and reliability of software solutions across the organization. Role overview The Senior DevSecOps Engineer II works alongside development and operations teams to embed security practices throughout the software development lifecycle. The goal is to create systems that are both secure and high-performing. Key responsibilities Collaborate with cross-functional teams to integrate security measures into development workflows Support efforts to improve software performance and system integrity Contribute to the ongoing enhancement of security protocols within the organization Location This role is based in Washington, DC.

Aledade seeks a Senior Security Engineer II for its Security Operations Center (SOC) team in Washington DC. This role focuses on safeguarding the organization's information and systems by addressing security risks and responding to incidents. Role overview The Senior Security Engineer II monitors for threats, investigates incidents, and implements measures to strengthen security. This position plays a key part in maintaining compliance with industry standards and supporting the organization's security goals. What you will do Identify and assess security risks across information systems Respond to security incidents and coordinate mitigation efforts Implement and improve security controls and processes Support compliance with relevant industry standards Requirements Experience in cybersecurity or security engineering Ability to identify, analyze, and respond to security threats Familiarity with industry compliance standards

Join Axon and Be a Force for Good.At Axon, we are dedicated to the mission of protecting life. As innovators, we tackle society's most pressing safety and justice challenges through our array of devices and cloud-based software. Just like our products, we believe in collaboration—connecting with transparency and empathy, while valuing diverse perspectives from our customers, communities, and one another.Life at Axon is dynamic, challenging, and impactful. Here, you will have the opportunity to take ownership and effect real change. Continuously grow as you work hard for a mission that truly matters at a company where you are valued.Your ImpactAre you driven by a passion for AI? Do you thrive on engineering solutions that push the boundaries of science? Are you eager to play a vital role in creating products that have a positive impact on the world?As a Machine Learning Engineer at Axon, you will be instrumental in designing and implementing the platform utilized by Axon scientists to integrate secure, reliable AI features into our devices. You will collaborate closely with scientists and device engineers to enable new AI capabilities for Axon products, including Fleet, Axon Body, Axon Air, and more. Working within a multidisciplinary team, you will explore a wide range of domains and applications, from Automatic License Plate Recognition to Object Tracking and Automatic Speech Recognition.The ideal candidate will possess a proven track record of optimizing models for edge deployment, including on-device implementations with limited memory and connectivity, ensuring users around the globe are served effectively. You will have a strong understanding of the AI lifecycle, supporting scientists throughout the end-to-end development of new machine learning models and AI capabilities, leading to better and more responsible AI solutions. You will be encouraged to take bold steps in supporting your team to enable features that transform the lives of officers and drive positive impacts in public safety.

MetroStar Systems seeks a Senior Electrical Engineer II for its Washington, DC office. This position centers on designing and developing solutions to support important projects across the organization. What you will do Design and develop electrical solutions that align with project requirements. Work closely with team members and stakeholders to achieve project objectives. Apply technical expertise to solve challenges and ensure successful project delivery. Requirements Ability to obtain and maintain a security clearance. Experience in electrical engineering design and development. Strong collaboration and communication skills.

Join Confluent as a Senior Software Engineer II, where you will play a pivotal role in developing innovative data streaming solutions. You will collaborate with a talented team to build, enhance, and maintain our cutting-edge technology that empowers organizations to harness the power of real-time data.

Become a Catalyst for Change at Axon.At Axon, we are dedicated to the mission of Protecting Life. We are innovators tackling society's most pressing safety and justice challenges through our portfolio of devices and cloud-based software solutions. We believe in collaboration, engaging openly and empathetically with diverse perspectives from our customers, communities, and each other.Life at Axon is dynamic, challenging, and filled with purpose. Here, you will have the opportunity to take ownership and initiate meaningful change. You will continuously develop your skills while contributing to a mission that truly matters in a company that values your contributions.Your ImpactAs a Senior Engineer on our team, you will play a pivotal role in the architectural decisions that define our product offerings. You possess a deep understanding of cloud services that demand high availability and consistent performance. Your passion for utilizing the latest open-source technologies is matched by your ability to leverage system design expertise to make sound technical choices for robust systems.You excel at navigating competing engineering trade-offs while employing empathy to discern innovative solutions to our customers' challenges. Collaborating closely with product managers and designers, you will ensure that we are creating the right solutions that meet our customers' needs. Additionally, you take pleasure in mentoring fellow engineers, serving as an active teacher to elevate the skills of your colleagues.Join a passionate, mission-driven team committed to making a positive impact on the lives of first responders and the communities they serve.