> Markdown version of [/jobs/ext/4177797-senior-high-speed-digital-hardware-engineer](https://www.wearedevelopers.com/jobs/ext/4177797-senior-high-speed-digital-hardware-engineer). 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). --- # Senior High-Speed Digital Hardware Engineer - **Company:** QuEST Defense - **Location:** Melbourne, FL, United States - **Experience:** Expert - **Salary:** $120,000.0 - $145,000.0 - **Contract:** Permanent contract - **Skills:** Board Bringup, Altium Designer, Computer Engineering, Software Debugging, Digital Electronics, Electronic Design Automation, Ethernet, Field-Programmable Gate Array (FPGA), Hardware Design, Automation of Marketing, Schematic Capture, Signal Integrity, Systems Integration, Generative AI, SC Clearance, Mentor Graphics, Pcb Layout - **Published:** October 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a1857d5127130cd7 ## About the Role U.S. citizenship and the ability to obtain a Secret clearance are required. Active Secret clearance is preferred., * Bachelor's degree in Electrical Engineering, Computer Engineering, or a related discipline. * 5+ years of experience designing complex digital hardware or circuit-card assemblies. * Hands-on experience with high-speed digital board design, from schematic capture through hardware bring-up and validation. * Experience designing high-speed serial interfaces with multiple lanes per card. * Experience integrating multiple FPGAs, complex SoCs, and high-performance memory such as DDR5 or DDR6. * Strong understanding of signal integrity, timing, crosstalk, electrical interference, and board-level design constraints. * Experience collaborating closely with ECAD and PCB layout engineers. * Ability to lead technical decisions, resolve complex hardware issues, and deliver under demanding schedules. * Ability to work onsite in Cedar Rapids, Iowa. * U.S. citizenship and the ability to obtain and maintain a U.S. security clearance., * Active Secret security clearance. * Master's degree in Electrical Engineering, Computer Engineering, or a related field. * Previous experience developing hardware for aerospace or defense applications. * Experience with schematic and PCB design tools such as Cadence, Mentor Graphics, or Altium. * Experience with Ethernet and fiber and copper communication interfaces. * Familiarity with signal- and power-integrity analysis tools and techniques. * Hands-on experience using oscilloscopes, logic analyzers, and other high-speed debugging equipment. * Knowledge of DO-160, MIL-STD, EMI/EMC, or environmental qualification requirements. * Experience serving as a technical lead for complex circuit-card development. * Experience adopting and/or integrating emerging technologies (e.g., generative AI, automation platforms, digital assistants) into day-to-day operations for continuous improvement. ## Description As an early senior member of the team, you'll help establish the technical direction and drive designs from architecture and schematic capture through PCB layout, integration, and first-pass hardware success. This is an excellent opportunity for a hands-on engineer who enjoys solving challenging signal-integrity problems and taking meaningful ownership of critical hardware designs., * Architect and design complex high-speed digital circuit cards for aerospace and defense applications. * Develop schematics, select components, and define board-level interfaces and design requirements. * Design high-speed serial interfaces with multiple data lanes, including Ethernet, fiber, and copper connectivity. * Integrate multiple FPGAs, complex SoCs, and DDR5/DDR6 or comparable high-performance memory. * Analyze and resolve signal-integrity, timing, crosstalk, and electrical-interference challenges. * Partner closely with ECAD and PCB layout engineers to define stackups, routing constraints, placement, and layout requirements. * Lead technical reviews, design trade studies, risk assessments, and hardware troubleshooting activities. * Support board bring-up, integration, testing, debugging, and validation in the lab. * Collaborate with FPGA, software, systems, mechanical, and test engineers to deliver cohesive system solutions. * Create and maintain schematics, design documentation, bills of materials, analysis results, and test procedures. * Drive first-pass hardware success while meeting demanding technical and program schedules.