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Principal Digital Electrical Engineer

Job in Germantown, Montgomery County, Maryland, 20874, USA
Listing for: Thales Defense & Security
Full Time position
Listed on 2026-08-05
Job specializations:
  • Engineering
    Electronics Engineer, Systems Engineer, Hardware Engineer, Electrical Engineering
Job Description & How to Apply Below

Principal Digital Electrical Engineer

Thales Defense & Security, Inc. (TDSI) Headquartered in Clarksburg, MD, is a U.S. company that has been serving domestic and international defense Air, Land and Sea domains for 60+ years. With over 1,000 employees, TDSI and its four subsidiaries, supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities.

Lives depend on what we do!

Top Benefits (Subject to terms of applicable policies/plans)

  • Competitive Salary
  • Yearly Incentive Compensation Plan
  • Medical insurance for self and eligible family members
  • Generous 401(k) program- up to 7% company contribution and 100% immediate vesting
  • Tuition Reimbursement
  • Paid wellness, vacation, and holiday leave
  • Paid maternity, paternity, and parental leave
  • 9/80 Work Schedule (every other Friday off)
  • Hybrid working environment

We are seeking to fill a Principal Digital Hardware Engineer position located at our Germantown, MD Campus, focused on our DRT (Digital Receiver Technology) line of Electronic Warfare/ SIGINT software-defined radio technologies. The Principal Engineer will report to the Digital Hardware Manager. The Principal Engineer will work cross functionally with software engineers to co-design a system and solve problems by making software and hardware cooperate rather than operate at cross-purposes.

You will collaborate with mechanical engineers to design intricate high-power thermal and interconnect solutions. The ideal candidate will be able to lead Project Meetings and coordinate Product Development from product inception to production handoff.

Responsibilities

  • Lead small digital engineering teams and/or work independently to define requirements, conceive, document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, oversee PCB layouts, load firmware/software on prototype boards and radios, perform verification testing, debug, and optimize digital circuit designs to meet requirements at the circuit, card, and product levels
  • Implement digital designs of high complexity and high-density utilizing microprocessors, DSPs, memory systems, FPGAs, displays, and high efficiency low noise power supplies capable of supporting advanced algorithms used in state-of-the-art SIGINT and EW products
  • Implement designs utilizing on-board high-speed data buses (i.e. DDR3/DDR4 memory, High Speed Ethernet, etc.) and capable of controlling external RF amplifiers and interfacing with external data and control devices using high speed interfaces (100

    GBASE-KR Ethernet, PCIe, USB 3.0, etc.)
  • Perform technical trade studies and analyses to select digital architecture and key components
  • Develop and implement detailed design specifications, test plans and test procedures
  • Efficiently troubleshoot problems and implement effective solutions
  • Plan and execute PCB layout activities in collaboration with PCB Layout Designers
  • Mentor and provide technical oversite to junior engineers
  • Plan, estimate, and manage the technical requirements, scope, budget, schedule, and deliverables for designs from concept, through detailed design, prototype, engineering test, and transition into full rate production
  • Generate documentation for programming individual components, loading firmware onto circuit card assemblies and fully assembled products
  • Perform root cause analysis on field failures and support continuous product improvements
  • Support R&D efforts and continuous process improvements
  • Complete assigned tasks in a quality and timely manner with minimal supervision
  • Effectively support and communicate to management status, issues, needs and ideas

Qualifications

  • U.S. Citizenship required.

    - Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information
  • BSEE/MSEE or equivalent. An advanced degree is desirable
  • 8+ years of electrical design experience
  • In-depth practical and theoretical knowledge of digital circuit design as it applies to communication products
  • Knowledge of Software Defined Radio circuitry is a plus
  • Experience designing and serving as technical lead for high complexity, high speed and high-density digital designs utilizing microprocessors, DSPs, memory systems, FPGAs, and high efficiency low noise power supplies
  • Experience utilizing a formal design process to document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, load firmware/software on prototype boards and radios, perform verification testing, debug, and optimize circuit designs to meet requirements at the circuit, card, and product levels
  • Experience overseeing PCB layout by working through PCB Layout Designers
  • Experience defining methods of programming and loading firmware on development hardware for CCA development and testing
  • Hands-on lab…
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