Direction ; DF​/Antenna RF Engineer

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Location:

GERMANTOWN, MD, US, 20876

Date:
Sep 9, 2026

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), 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.

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 dependon what we do!

• 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)

We are seeking a Direction Finding (DF)/ Antenna RF Engineer to work in our Germantown, MD office. This position reports to the Engineering Director.

• Work within multidisciplined engineering project teams as an RF design engineer to design and develop circular array antennas to provide 360-degree spatial azimuth coverage and precise direction finding by evaluating phase and amplitude across symmetrically spaced elements.
• Participate in the development of advanced direction finding algorithms.
• Participate in small RF engineering teams and/or work under the supervision of a senior member of the RF design staff to define requirements, conceive, document, analyze/simulate, build prototypes, perform verification testing, debug, and optimize antenna and algorithm designs to meet requirements at the product level.
• Design/source, analyze/simulate, test and optimize antennas, external RF amplifiers, and ancillaries for use with products to achieve overall product performance requirements.
• Perform system level analysis to study RF propagation, range estimates, link budgets, cascade analysis, and sensitivity calculations.
• Support prototype development of advanced antennas and supporting RF subsystems, including fabrication and assembly of early prototypes.
• Contribute to technical trade studies and analyses to select RF architecture and key components.
• Assist other RF team members to develop and implement detailed design specifications, test plans and test procedures.
• Verify product performance vs. predictions for prototype products and production hardware products.
• Participate in continuous improvement and team building activities. Maintain productive working relationships with all team members.
• Complete assigned tasks in a quality and timely manner.
• Effectively support and communicate to management status, issues, needs and ideas.

The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• U.S. Citizenship required.
  
  -Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information.
• MSEE or equivalent experience in Electrical Engineering with specialization in Electromagnetics, Antenna Theory, or Microwave Engineering.

Interest in antenna theory, antenna design, and electromagnetics, supported…