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Engineer/Physicist

Frequency Electronics, Inc.
Uniondale, NY Intern
POSTED ON 4/15/2026
AVAILABLE BEFORE 5/14/2026
We are looking for an enterprising and dynamic software and signal-processing-oriented engineer or physicist who will be responsible for building out a range of Frequency Electronics’ software capabilities. Areas where you will contribute will include implementing both high-level and embedded physics control software, building signal processing algorithms, performing time/frequency/statistical data analysis, and working closely with others to make engineering and physics processes and workflows better through software and automation.

A candidate must have experience with and perspective on a wide range of signal processing techniques. One must be able to implement, validate, and test physics- or dynamics-aware algorithms, which implies both the technical and practical skills to understand and implement them (Kalman filters, particle filters, control of linear and nonlinear systems, statistical signal processing, machine learning, etc.). It is a bonus if the candidate can implement ideas in both high-level programming languages and in hardware description languages (VHDL or Verilog in particular), but the latter is not required.

One must have the ability and willingness to do everything from writing miscellaneous software tools to architecting software systems. You will be joining the Advanced Development Department of a small business, where everyone is required to wear many hats. Candidate must be willing to both learn, teach, and implement new techniques in controls, signal processing, and software development, and be willing to learn enough physics to implement effective algorithms. Knowledge of timing and GPS concepts is a bonus, but ability to learn is prioritized over previous experience with specific technologies.

Frequency Electronics focuses on transforming mature laboratory technologies into fieldable products. We have an academic culture where employees are treated like collaborators exploring leading-edge technologies, but we have an industrial culture in that we focus our work intensely on the goal of creating products that have real impact on the world outside of a laboratory.

On-site - Non Remote

Salary Range: $120K-$160K based on experience

Must be authorized to work in the United States

FEI offers a comprehensive benefits package that includes Medical, Dental, Vision, Flexible Spending Accounts, and a 401(k) plan with a 6% company match in company stock.

We also provide a very generous paid time off policy, along with 11 paid holidays.

In addition, we operate on a 9/80 work schedule, which gives employees every other Friday off. This schedule includes longer workdays—9 hours and 45 minutes with a mandatory 45-minute lunch break. One week consists of four workdays (36 hours), and the following week includes five workdays (45 hours). Despite this variation, employees are paid for a consistent 40-hour workweek, with weekly pay.

Salary : $120,000 - $160,000

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