Opportunity at CompRex

(06-01-21) CompRex is a small business in R&D and manufacturing based in La Crosse, Wisconsin. We specialize in custom compact heat exchanger and heat exchanger reactor solutions. Many of our projects include new concepts that are government-sponsored through grants.

We are currently seeking an engineer with the following requirements. We welcome any qualified candidates to send resumes to Zhijun.jia@comprex-llc.com.


The preferred candidate will possess at a minimum a bachelor’s degree in mechanical or chemical (major and/or minor) engineering with one to ten years of engineering experience. Relevant graduate school can be considered as experience. The candidate should have a cooperative attitude, self-starter, have good communication skills, and willingness to work on various tasks when required.

Primary responsibilities include:

Design Heat exchanger with HYSYS/EDR.

Design a Process with HYSYS

Operating a gas chromatography device

Monitoring and gathering data from a lab test facility

Building and using Mechanical calculation spreadsheets 

Creative design for new grants and/or heat exchanger designs.

Prepare Power point slides for grant updates

Willing to work in the shop for various jobs

Production operations troubleshooting and improvement

Basic Microsoft ware skills in Word, Excel, and etc. are required

Company will provide competitive compensation package with salary in $60k – 90k based on the qualification.