Field Systems Engineer (RF/IoT) with Security Clearance

Overview LMI is seeking an experienced Field Systems (RF/IoT) Engineer to support a DoD client. The ideal candidate will have strong proficiency in working with RFID, sensors, internet of things (IOT), Bluetooth, and similar technologies along with experience deploying these technologies and related infrastructure to various operational environments. This position can be performed remotely within the U.S., some travel is required. This position requires the ability to obtain an active secret clearance and U.S. citizenship; current active secret clearance preferred. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors-helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Who We Are We're not here to maintain the status quo - we're here to rewrite it and innovate at the pace of need. Our team is laser-focused on creating cutting-edge RFID and IoT solutions for the DoD that bring sensors, wireless networks, and real-time logistics to life. We're a no-bench, get-after-it kind of company where initiative is rewarded, and innovation is our default setting. If you're ready to take on complex technical challenges, travel to real-world sites, and turn ideas into operational capability, keep reading. Responsibilities The Opportunity We're looking for someone who thrives at the intersection of hardware, networking, and data. You'll design and deploy RFID, Bluetooth, and IoT solutions that power next-generation logistics and asset tracking for defense missions worldwide. This role combines hands-on engineering with system-level problem solving. You'll recommend, configure, and optimize sensors, readers, and communications infrastructure across diverse environments-from depots and ports to forward operating bases What You'll Do * Design and deploy wireless data collection and communication systems that meet unique operational and envioronmental constraints. * Recommend and implement hardware, infrastructure, and installation configurations tailored to each facility's layout and mission needs. * Analyze and tune communication protocols for varying bandwidth, latency, frequency, proximity, and payload requirements. * Develop and refine new wireless communication methods to improve logistics efficiency. * Identify, analyze, and mitigate interference or signal degradation issues in complex environments. * Apply RF engineering principles and tools to maximize system performance and reliability. * Support troubleshooting, optimization, and sustainment for deployed systems in the field. * Develop and execute test and qualification procedures for wireless and IoT systems. * Travel up to 25-50% to support installations, testing, and on-site engineering work. Qualifications What We're Looking For Bachelor's degree in Engineering or a related field. * 3-5+ years of experience with RF, IoT, or sensor-based systems. * Strong understanding of RFID, Bluetooth, and wireless network design. * Hands-on experience with enterprise-grade networking hardware (Cisco, Juniper, HP, etc.). * Proficiency with network protocols such as TCP/IP, BGP, OSPF, DNS, and DHCP. * Familiarity with command-line interface (CLI) configuration and Linux-based systems; shell scripting a plus. * Deep understanding of RF testing tools and diagnostics. * Ability to translate mission requirements into reliable, field-deployable technical solutions. * Excellent communication and problem-solving skills, with a bias for action. * U.S. Citizenship and ability to obtain an active secret clearance; current active secret clearance preferred. Bonus Points For * Experience with sensor fusion, edge computing, or embedded systems integration. * Knowledge of low-power communication protocols (LoRa, Zigbee, NB-IoT, LTE-M). * Familiarity with DoD or other secure operational environments. * Certifications such as Security+, Network+, or CCNA. * Experience supporting field deployments in austere or expeditionary conditions. Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances or applicants who are eligible for security clearances, due to the nature of the work. Job Locations US-Remote