Help Extreme Engineering Solutions (X-ES) maintain its core strength of engineering excellence. Gain hands-on experience working with the advanced technologies at the boundary between the chip and the board while making direct contributions to product development. We’re seeking an Engineering Co-Op to analyze challenging signal integrity issues using their skills in circuits, electromagnetics, and signal processing. The individual will work within a small team of signal integrity engineers to solve problems with high-speed signals in the design phase using simulation as well as post-fabrication in the lab.

This position is full-time and in-person at our Verona, WI facility for January–August of 2025. This typically requires students to take a semester off of school to accommodate.


  • Pursuing a degree in Electrical Engineering, Computer Engineering, or related field
  • Working towards a Bachelor’s or Master’s degree
  • Self-motivated and capable of meeting project deadlines with minimal supervision
  • Strong troubleshooting skills

Preferred Skills and Experience

  • Understanding transmission line theory
  • Experience with analysis tools such as HyperLynx, HSPICE, Sigrity, or HFSS
  • Hands-on oscilloscope and VNA experience
  • Familiarity with printed circuit board design
  • Comfortable with Python programming

What You Will Learn

  • How to simulate a memory bus using an EDA tool
  • How to analyze the latest PCI Express protocol with signal equalization
  • How to create behavioral models for the latest microprocessors
  • How to interpret an S-Parameters chart
  • How to solder probe tips and capture waveforms with an oscilloscope
  • How to optimize via impedance using a 3D Full-Wave Solver

Compensation and Benefits

Extreme Engineering Solutions offers a competitive compensation package with excellent benefits, including:

  • No-deductible, low-copay group health insurance (90% employer paid)
  • Safe Harbor 401(k) contribution

X-ES also takes a casual, small-business approach to company culture. At our state-of-the-art office and manufacturing facility located in Madison’s growing tech corridor, there’s no formal dress code, flexible scheduling, and dedicated personal workspaces. Our employees kick back at regular company events and enjoy lunches from local pizza places and food carts. At X-ES, we strive to offer a comfortable, relaxed environment for our employees to do their best work.

About X-ES

X-ES is proud of its strong university partnerships and offers multiple student opportunities each year. Student employees make direct contributions to the company’s products, processes, and day-to-day operations.

When “rugged enough” isn’t rugged enough for embedded computing systems, industry leaders in the military, aerospace, industrial, and commercial sectors turn to Extreme Engineering Solutions (X-ES). Because we strive to be the premier provider of mission-critical embedded products while delivering exceptional levels of customer and employee satisfaction, we hire strong contributors and give them space to thrive. As a 100% employee-owned company, our employees both drive and directly benefit from our success. Together, we meticulously design and build products that stand up to some of the most extreme conditions on the planet.

Extreme Engineering Solutions is located in the Madison, WI area. The company designs and manufactures rugged embedded computing solutions for a variety of applications. For more information, visit

Extreme Engineering Solutions is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or any other category protected by law.

All X-ES job postings and application procedures are posted in compliance with Section 39.08 of the Madison General Ordinances.

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