> Markdown version of [/jobs/ext/3997166-digital-design-engineer-mid-career-high-speed-mixed-signal](https://www.wearedevelopers.com/jobs/ext/3997166-digital-design-engineer-mid-career-high-speed-mixed-signal). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Digital Design Engineer(Mid-Career)High Speed, Mixed Signal - **Company:** ASSURANCE IQ, INC - **Location:** Carlisle, MA, United States - **Experience:** Experienced - **Salary:** $105,000 - $160,000 - **Contract:** Permanent contract - **Skills:** Board Bringup, Extract Transform Load (ETL), Digital Electronics, Logic Synthesis of Circuits, Firmware, Field-Programmable Gate Array (FPGA), Hardware Description Language, Signal Integrity, Static Timing Analysis, Systems Architecture, Digital Access Carrier System - **Published:** October 28, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88715336/1 ## About the Role * B.S. or M.S. in Electrical Engineering or a closely related discipline * 5 or more years of experience in digital hardware design, with significant exposure to high-speed and mixed-signal systems * Strong experience designing and implementing FPGA-based systems, including HDL development, simulation, synthesis, and hardware bring-up * Mixed-signal board design involving high-speed ADCs, DACs, precision clocks, and power regulation * Hands-on experience with high-speed digital interfaces ( 250 MHz clocks, multi-Gbps serial links, DDR, ADC/DAC interfaces, or similar) * Proficiency in signal integrity, timing, and power integrity analysis at the board and system level Preferred / Desired Experience * High-reliability or mission-critical electronics (space, airborne, defense, or aerospace systems) * Single Event Effects (SEE) mitigation and radiation-tolerant or radiation-aware design practices * Experience developing and integrating DSP algorithms (e.g., filtering, modulation, data conditioning) in FPGAs * Collaboration across hardware, firmware, and software boundaries in complex system environments * Experience supporting designs through production and operational lifecycle phases Candidates must be US citizens eligible for a Top-Secret US Government security clearance. ## Description ATC is seeking a highly motivated, mid-career Digital Design Engineer to lead and contribute to the development of advanced, high-speed, mixed-signal and digital FPGA-based electronics for next-generation sensing and processing systems. This role is part of ATC's Advanced Solutions Group, delivering mission-critical electronics for space and airborne platforms. In this position, you will play a key technical role in architecting, designing, and implementing complex digital and mixed-signal systems utilizing advanced processors, high-speed data converters, high-bandwidth memories, and FPGAs. You will drive technical decisions from system concept through design, verification, production, and operational deployment., * Lead and contribute to digital and mixed-signal system architecture and definition, balancing performance, reliability, power, and environmental constraints * Design, simulate, and verify high-speed digital and mixed-signal circuits, including high-speed serial interfaces, clocks, data converters, and memory subsystems * Develop and implement high-performance FPGA designs for real-time digital signal processing, data movement, and control functions * Perform and guide signal integrity, power integrity, and timing analysis for high-speed board-level designs * Define and manage power budgets and contribute to robust designs for radiation-tolerant and mission-critical environments * Collaborate closely with systems, electrical, RF, mechanical, thermal, software, and firmware teams to ensure cohesive system implementation * Support designs through manufacturing, integration, test, and operational support, including failure analysis and design refinements * Provide technical mentorship to early-career engineers and contribute to design reviews and best-practice development