Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises. Preferred Certifications: Additional Splunk certifications, CEH, CySA+, GSEC, CISM, CCNA, Security+, Server+, Linux+, Cloud+ (or equivalent higher-level certifications).