$ whoami
JOSH LUNN
Principal Embedded Engineer · Engineering Manager
Embedded software engineer and technical leader with 19+ years of experience delivering production firmware and embedded Linux platforms across defense, IoT, and consumer electronics. Proven track record building and scaling engineering teams while staying hands-on from prototype through volume manufacturing.
> expertise
Domain Knowledge
Embedded Linux
Bare Metal & RTOS
Wireless & IoT
Edge AI & Vision
Engineering Leadership
> projects
Selected Work
Trail Camera Platform
TactacamPortable embedded Linux platform enabling rapid SoC migration across product lines. Custom fast boot pipeline achieves sub-300ms cold boot to full-resolution image capture.
RV1126B Camera System
Personal ProjectEnd-to-end embedded Linux camera built on Rockchip RV1126. Sony IMX415 4K sensor, hardware JPEG via RKmpp, zero-copy DMA-BUF pipeline, LTE modem, and MQTT cloud publishing.
Mesh Video Streaming Device
Kopis MobileMan-wearable embedded Linux device capturing and streaming first-person video over a self-healing WiFi mesh network for defense and national security applications.
CBRNE Wireless Sensor Dongle
Kopis MobileRugged wireless dongle relaying real-time chemical, biological, radiological, nuclear, and explosive sensor readings over LoRaWAN to command infrastructure.
Cellular Smart Meters
SmartSynch Inc250K+ fielded cellular-enabled electric meters designed for 20+ year operational life on utility smart grid networks. Firmware BoM reduction of ~$50 per GSM unit.
YOLOv8 Video Analysis Pipeline
CSLabsAutomated multi-stream video analysis pipeline replacing a manual workflow. Correlates events across camera feeds and feeds contour data into an XGBoost spatial prediction model.
> experience
Work History
Tactacam
Billings, MTBattery-operated cellular and WiFi cameras for hunting, surveillance, and wildlife monitoring.
- ▸Architected a portable embedded Linux platform enabling rapid SoC migration; created custom fast boot achieving sub-300ms cold boot to full-resolution image capture.
- ▸Introduced edge AI object-detection (TensorFlow Lite, ARM NPU) reducing false cellular triggers and lowering per-device network costs.
- ▸Implemented AWS IoT Core connectivity stack with eSIM LPA provisioning and automatic multi-carrier selection for volume deployments.
- ▸Developed custom low-light auto-exposure algorithm using frame sync and IR PWM control for accurate night-time imaging.
CSLabs
Alexandria, VAModeling and simulation company specializing in ML, sensors, and physics-based analysis.
- ▸Built an automated video-analysis pipeline using OpenCV and YOLOv8, correlating multi-stream events and feeding an XGBoost spatial prediction model.
- ▸Developed an LLM-powered multimodality classification and similarity search application (PyTorch, LangChain, ChromaDB).
- ▸Managed multiple SBIR contracts totaling $2M+ as project manager and lead software engineer.
Kopis Mobile
Flowood, MSDefense-focused start-up providing software and rugged electronics for national security.
- ▸Grew and led a cross-functional team of 10 software, electrical, computer, and mechanical engineers executing on $3M+ annual contract revenue.
- ▸Unified team delivery around a Scrum-based process aligned to simultaneous multi-project execution.
- ▸Established a UI/UX function to build simple, intuitive interfaces for complex defense solutions.
- ▸Scaled team from 2 to 5 engineers executing on $2M+ in contracts plus internal R&D.
- ▸Implemented unified branching model, unit testing, code reviews, and CI/CD to increase velocity.
- ▸Created a co-op program that became a reliable pipeline for recruiting top engineering talent.
- ▸Developed a man-wearable embedded Linux device streaming first-person video over a WiFi mesh network (i.MX6, Buildroot, GStreamer, C++).
- ▸Created a rugged wireless dongle for real-time CBRNE sensor readings (STM32F, FreeRTOS, LoRa/LoRaWAN).
- ▸Designed a custom sub-GHz mesh protocol for synchronized helmet-mounted multi-spectrum light emitters.
Mav6
Vicksburg, MSDepartment of Defense contractor developing software and hardware solutions.
- ▸Delivered a Java geospatial application for RF propagation modeling on the NASA WorldWind platform.
- ▸Transitioned to firmware development for a prototype metal detector, demonstrating rapid cross-domain adaptability.
Heartland Micropayments
Chattanooga, TN- ▸Developed firmware for AT89C51 and STM32F processors; performed on-site upgrades, installs, and troubleshooting.
- ▸Redesigned a legacy system to improve supportability and customer satisfaction.
SmartSynch Inc
Jackson, MSCellular-enabled smart electric meters for utility smart grid deployments.
- ▸Developed firmware (C, Nucleus RTOS) for 250K+ fielded devices designed for 20+ year operational life.
- ▸Reduced BoM cost by ~$50 per GSM unit by porting firmware to support a lower-cost cellular modem.
- ▸Cut auto-provisioning timeline from months to weeks by unifying the firmware code base across all products.
> education & certifications