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Sr. Specialist, Electrical Engineering (FOS)

L3HARRIS Technologies

Cincinnati, OH · Posted October 9, 2026

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About the job

Job Title: Sr. Specialist, Electrical Engineer

Job Code: 45798

Job Location: Cincinnati, OH

Job Schedule: 4/10: Employees work 10 hour shifts, 4 days a week

Job Description:

L3Harris Fuzing & Ordnance Systems (L3H FOS) is the largest fuze manufacturer in the United States and is one of the most advanced manufacturers of fuzing and ordnance products in the world.

L3Harris maintains an unwavering commitment to conducting business operations in a manner that provides and maintains safe and healthy working conditions, protects the environment, conserves natural resources, and complies with all legal and regulatory requirements. As our business continues to grow, we are looking to add an Electrical Engineer to our Special Test Equipment Development Engineering Group.

As a member of the L3H FOS team, your primary focus would be the development of Specialized Test Equipment used to test products through all phases of design and production. You would also assume the responsibility of presenting designs to internal and external customers for reviewing and addressing technical issues. A solid understanding of circuit theory, components, firmware, software and troubleshooting skills is required.

Essential Functions:

Focus on the design and development of specialized systems and special test equipment for electronic, electro-mechanical, and mechanical products.

Extensive analog and digital circuit design, microcontrollers, data acquisition, filtering/conditioning, printed circuit design, measurement error analysis, and future system-level engineering.

Utilization of CAE tools such as Altium and SPICE, and laboratory equipment such as DMMs, oscilloscopes, function generators, etc. used to perform circuit design, verification and troubleshooting.

Working with or creating embedded firmware to control hardware. Working with various serial communication protocols such as RS-232, RS-422, SPI, I2C, etc.

Must be willing to travel up to 10% of the year.

Must be able to obtain a US Secret security clearance.

Skilled in basic analog building blocks including differential amplifiers, op amps, LDOs, filters, and data converters

Skilled in basic digital building blocks including logic gates, flip flops, timers, and filters

Proficient in power supply and power conditioning design

Proficient in power conversion concepts (AC/DC, DC/DC, and DC/AC, Linear and Switching Supplies)

Proficient in serial communication buses including UART, SPI, and I2C

Proficient in Sensors and Converters (Temperature sensors, accelerometers, differential pressure sensors, gyroscopes, ADCs, DACs, etc.)

Proficient in general design best practices (EMI suppression, ESD protection, and Short circuit protection)

Proficient in module design including component selection, circuit analysis, circuit design, and layout

Skilled in troubleshooting using standard lab equipment (oscilloscopes, function generators, meters, etc.)

Skilled in modeling and simulation utilities (SPICE, MATLAB/Simulink, etc. )

Proficient in schematic capture and/or board layout utilities (Altium, PADS, etc.)

Skilled in Microsoft Office applications

BSEE, BSCompE or BSEET with 6+ years of relevant work experience (post-graduate education also considered)

Qualifications:

Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Preferred Additional Skills:

Ability to lead a large-scale technical project from start to completion with little to no guidance

Skilled in preparing and participating in design reviews (internal and external)

Expert in creating Technical Documentation (Engineering Drawings, Calibration Procedures, Validation Procedures, Operating Instructions, etc.)

Skilled in Engineering Change and Configuration Management processes

Expert in Software Development (C#, VB, .NET, LabVIEW, etc.)

Expert in microcontroller and CPLD/FPGA Firmware Development (Embedded C, Verilog, etc.)

Skilled in Wiring Diagram and Cable Assembly Design