Electrical Hardware Design Engineering Intern

Leidos Defense Systems is seeking a talented Electrical Hardware Design Engineering Intern to join a diverse team in summer 2027 to create unique solutions for complex problems. We have offices across the United States that provide responsive, cost-effective engineering, scientific, and IT solutions in the defense, space, cyber, and commercial fields. The ideal candidate will thrive in a learning environment that encourages leadership and technical growth.

At Leidos, our mission is to reach, equip, and teach students with an interest in the field of defense and aerospace. Running for over two decades, the internship program has been a staple at Leidos, giving interns hands-on experience in their future career path. With no shortage of work available, interning with Leidos promises growth, experience, and unrivaled opportunity across the US.

This position is an Electrical Hardware Design Engineer Summer Intern in the Electrical Systems Department. Interns are provided with opportunities to participate in a wide range of design engineering activities that include concept development, architecting, implementing, and testing printed circuit board assemblies (PCBAs) including power supply, mixed-signal, FPGA, microcontroller designs. There are also additional skill development opportunities through participation in printed circuit board layout, signal integrity analysis, power distribution network design, technical trade studies, and evaluation of technology improvements. The selected candidate will work closely with their assigned mentor on tasks that are beneficial to the intern's skills development and valuable to the programs with which they are working. The ideal candidate will thrive in a learning environment that encourages leadership and technical growth.

Primary Responsibilities

• Assist in the design, simulation, modeling and testing of hardware solutions.
• Working with design tools such as Mentor Graphics, Altium for PCB design, SPICE, and Visio.
• Develop and execute hardware verification plans.
• Debug hardware using test equipment such as oscilloscopes and signal generators.
• Collaborate with team members on hardware projects.

Basic Qualifications

• Currently enrolled in an accredited college/ university and currently working towards a degree in Electrical Engineering or a related field.
• Holds a GPA of 3.0 or higher.
• Includes resume and unofficial transcripts in application.
• Demonstrates problem solving, teamwork, and communication skills.
• Basic understanding of circuit theory and design.
• Exposure to at least one programming language (Python, MATLAB, or C/C++).
• Must be a US Citizen and be able to obtain and maintain a DoD Secret security clearance.
• Able to work onsite in Huntsville, AL during summer 2027.

Preferred Qualifications

• Coursework or project experience with:
  • Multi-layer PCB design or layout
  • Digital logic design (VHDL/Verilog, FPGAs, or microcontrollers)
  • Power electronics or switched-mode power supplies
• RF fundamentals or communication systems
• Hands-on laboratory experience with test equipment (oscilloscopes, signal generators, multimeters)
• Familiarity with Design tools (Mentor Graphics, Altium, KiCad, or similar)
• Previous internship, co-op, or undergraduate research experience in hardware design
• Personal projects or competition experience (IEEE, robotics, etc.) demonstrating electrical engineering skills

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 29, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $41,600.00 - $75,200.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.