10,000+ Science and Engineering jobs in Crystal Lake, ILSet Job AlertWant more jobs like this?We’ll send you jobs that match this search criteria. Get Science and Engineering jobs in Crystal Lake, IL delivered to your inbox every week.Enter emailSend me The Muse newsletters for the best in career advice and job search tips.Get Jobs!By signing up, you agree to our Terms of Service & Privacy Policy.Developmental EngineerAt United States Air Force -Crystal Lake, ILPosted on Apr 2View Job Industrial Engineering Intern - Summer 2025At Flex -Buffalo Grove, ILPosted on Mar 22View Job Engineer ProcessAt Northrop Grumman -Rolling Meadows, ILPosted on Feb 15View Job Developmental EngineerAt United States Air Force -Elgin, ILPosted on Apr 2View Job Product EngineerAt Flex -Buffalo Grove, ILPosted on Mar 21View Job Bioenvironmental EngineerAt United States Air Force -McHenry, ILPosted on Apr 2View Job Process Engineering Intern - Summer 2025At Flex -Buffalo Grove, ILPosted on Mar 18View Job Developmental EngineerAt United States Air Force -Rolling Meadows, ILPosted on Apr 2View Job Process Engineering Intern - Summer 2025At Flex -Buffalo Grove, ILPosted on Mar 16View Job Bioenvironmental EngineerAt United States Air Force -Elgin, ILPosted on Apr 2View Job Quality EngineerAt Flex -Buffalo Grove, ILPosted on Mar 14View Job Developmental EngineerAt United States Air Force -Woodstock, ILPosted on Apr 2View Job Quality EngineerAt Flex -Buffalo Grove, ILPosted on Feb 13View Job Developmental EngineerAt United States Air Force -Woodstock, ILPosted on Apr 2View Job Senior Process Engineer - Thermoplastic Injection MoldingAt Flex -Mundelein, ILPosted on Jan 26View Job Developmental EngineerAt United States Air Force -McHenry, ILPosted on Apr 2View Job Engineering Technician (Night Shift)At Flex -Buffalo Grove, ILPosted on Mar 20View Job Bioenvironmental EngineerAt United States Air Force -Woodstock, ILPosted on Apr 2View Job Tooling EngineerAt Flex -Mundelein, ILPosted on Mar 16View Job Bioenvironmental EngineerAt United States Air Force -Crystal Lake, ILPosted on Apr 2View Job