Qualifications High School Diploma or GED (or equivalent) Required and Bachelors Degree Preferred 4-6 years skilled maintenance and/or commercial experience Required A broad knowledge and use of computer based predictive & preventive maintenance management systems. $1,000 Sign-On Bonus Must be able to pass pre-employment drug test and criminal background check CGL is a provider of justice facility planning, design, and program management and maintenance solutions to justice facilities and other public facilities throughout the U.S. and internationally.