Preferred Experience/Qualifications: Certifications: Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), Red Hat Certified Specialist in OpenShift Administration, or equivalent cloud provider certifications (AWS, Azure, GCP). Since 2004, CESI has been at the forefront of developing, maintaining, and integrating simulation-based training, serious gaming, technical services, training and other support in live, virtual, constructive, and gaming (LVCG) domains.