Principal Electrical Engineer
Listed on 2026-07-10
-
Engineering
Electrical Engineering, Systems Engineer, Electronics Engineer, Electronics Technician
Location:
Billerica, MA, US 01821
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 (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies) support 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.
TDSI’s key technologies include tactical handheld radios, expeditionary satellite terminals, helmet‑mounted displays, optics and target recognition capability, advanced radars, undersea sensing and missile systems.
Lives depend on what we do!
- 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 currently have an opening in our Billerica, MA office for a Principal Electrical Engineer
. The position reports to the Electrical Engineering Manager located in Aurora, IL. The Principal Electrical Engineer performs the electrical design of small, lightweight, helmet‑mounted display equipment. The candidate will work as a member of a design team by providing quality designs using advanced principles of electrical engineering, produce detailed designs using Altium, support prototype builds and verification testing, create and maintain bills of material, and provide supplier support during the procurement of materials.
The ideal candidate will be able to lead Project Meetings and coordinate Product Development from product inception to production handoff.
- 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, perform verification testing, debug, and optimize digital circuit designs to meet requirements at the circuit, card, and product levels.
- Perform technical trade studies and analyses to select digital architecture and key components.
- Design, simulate, analyze and test a variety of analog and digital circuits and components commonly used in helmet‑mounted display equipment.
- Create electronic circuit schematics and lead PCB design/layout activities.
- Create documentation to manufacture printed wiring assemblies (PWAs) and transition designs to manufacturing.
- Write technical documents: test procedures, test datasheets, technical memoranda.
- Mentor and provide technical oversight to junior engineers.
- Verify product performance vs. predictions for prototype products and production hardware products.
- Develop detailed design specifications, test plans and test procedures.
- Analyze product failure data and malfunction testing trends, troubleshoot yield issues, and recommend product improvements, including test improvements.
- Participate in continuous improvement and team building activities. Maintain productive working relationships with all team members.
- Generate documentation for programming individual components, loading firmware on circuit card assemblies and loading firmware into fully assembled products.
- Effectively troubleshoot problems (define problem, collect data/facts, and draw conclusions), and implement solutions.
- Identify alternate components and perform qualification testing to replace obsolete components.
- Plan, design and manage PWB re‑layout activities to replace obsolete components.
- Support test yield improvement activities in a manufacturing environment.
- Act as liaison between manufacturing diagnostic technicians and engineers on existing products and during transfer of new products manufacturing.
- Evaluate the effects of modified firmware on existing hardware platforms.
- Support R&D efforts…
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