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# Senior Digital Design Engineer

- **Company:** Solidus Technical Solutions
- **Location:** Tucson, AZ, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Adobe Flash, Altium Designer, Computer Engineering, Software Debugging, Digital Electronics, Logic Synthesis of Circuits, Microprocessors, Digital Technology, Electronic Design Automation, Ethernet, Field-Programmable Gate Array (FPGA), Hardware Design, Routing, PCI Express, Systems Development Life Cycle, Schematic Capture, Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, PIC Microcontroller, SC Clearance, Mentor Graphics, Pcb Layout
- **Published:** June 25, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8995744/senior-digital-design-engineer

## About the Role

* 8 years of experience with a Bachelor's or 6 years of experience with a Master's degree in Electrical Engineering, Computer Engineering, or a related STEM field
 * Hardware design experience (aerospace or defense industry preferred)
 * Strong collaborative mindset with excellent written and verbal communication skills for team-based environments
 * Secret clearance
 * Proven experience designing digital systems embedded with microprocessors, microcontrollers, and FPGAs
 * Direct experience implementing and routing memory architectures such as DDR3/DDR4, Flash, and SRAM
 * Practical design and layout familiarity with high-speed protocols including PCIe and Ethernet
 * Experience implementing board-level communications via I2C, SPI, and UART
 * Proficiency with industry-standard ECAD tools for schematic capture and PCB layout (e.g., Altium Designer, Cadence Allegro, or Mentor Graphics/Siemens Xpedition)
 * Cultural fit amongst a collaborative team environment

Benefit selection, customer contractual specifications, relevant work experience, skills, competencies, certifications, and clearance status will influence the final salary.

## Description

This position requires onsite in Tucson, AZ and an active Secret security Clearance. Candidates who do not hold this clearance are not eligible for hire.

Solidus is seeking a skilled and collaborative Digital Design Engineer to join our defense engineering team. In this role, you will own the full development lifecycle-including design, analysis, simulation, test, and integration-of critical digital electronic modules and Circuit Card Assemblies (CCAs) for missile applications.

Day in the Life:

 * Architect and design complex, high-reliability CCAs and digital electronic modules
 * Lead hardware through initial schematic capture, layout routing oversight, simulation, component selection, and prototype laboratory testing
 * Collaborate with systems, software, and test teams to integrate hardware into larger missile subsystems
 * Develop test plans and perform hands-on laboratory debugging using oscilloscopes, logic analyzers, and signal generators
 * Generate technical design packages, worst-case circuit analyses (WCCA), and engineering change orders
 * Other duties as assigned


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