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Radiance Technologies is an employee-owned company offering a comprehensive benefits package, competitive compensation, professional development opportunities, and a collaborative work environment. Employee ownership, generous 401(k) benefits, comprehensive health, dental, vision, and life insurance, educational reimbursement, and challenging technical assignments provide employees with opportunities to grow and succeed. Radiance is seeking a Cloud/Virtual Infrastructure System Administrator to support enterprise virtual infrastructure at our Beavercreek, Ohio facility. The qualified candidate will provide, design, maintenance and enhancement support for the architecture in a classified environment; ensure compliance with applicable information assurance requirements; ensure 24/7 continuity of operations; and create and update relevant system documents. Work hours are normal business hours, however, occasional support during non-business hours may be required. This person will be a major part of a specialized corporate IT and security team primarily focused on building and maintaining virtualized environments that support a growing Air Force mission. Successful candidates will have the following behavioral competencies: • G reat attitude with high degree of customer focus. • Flexible and adaptable to changing priorities. • Solid trouble-shooter, problem solver. • Reliable and committed to getting the job done (including after hours as required). • Excellent coping skills and the ability to juggle multiple priorities. • Self-managed; able to work independently or with a team as well as the leadership skills • necessary to lead a group of technical team members as required. • Able to be objective and receive input from specialized team members according to their areas of expertise. Job Responsibilities: • Provision, configure, administer, and troubleshoot Amazon WorkSpaces and EC2 instances running Windows Server and Red Hat Enterprise Linux operating systems. • Provision, configure, administer, troubleshoot management systems and containerized applications deployed in Kubernetes cluster environments. • Administer Microsoft Active Directory domains to include account management, group policy, authentication, permissions, and domain integration. • Automate virtual-machine provisioning, operating-system configuration, software deployment, and routine administration. • Prepare documentation related to system configurations and baselines. • Responsible for providing backup and recovery services; managing file systems and disk space. • Perform troubleshooting of virtualized hardware, software, and network problems. • Responsible for user account and access control management in a domain or stand-alone environment. Required Experience: • Minimum three (3) years of experience as a Windows and Linux Systems Administrator supporting the patching, installation, configuration, maintenance, and flaw remediation of virtualized servers, workstations, and other computing components. • Minimum of a valid Top Secret clearance with in-scope background investigation date. • DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (CompTIA Security+) • Experience administering and troubleshooting Windows Server and Red Hat Enterprise Linux operating systems within an Amazon environment. • Experience with system hardening, vulnerability remediation, patch management, and configuration management. • Ability to monitor systems, troubleshoot operational issues, and document configurations, procedures, and corrective actions. • Working knowledge of Amazon Web Services (AWS), including provisioning, configuring, administering, and troubleshooting EC2, Amazon WorkSpaces, and AWS Systems Manager (SSM). • Experience with Ansible or other automation tools for virtual infrastructure provisioning and configuration. • Working knowledge of S3, EFS, NFS, FSx, SMB, and NTFS storage file systems , including storage configuration, file-system access, permissions, and troubleshooting. • Working knowledge of TCP/IP, DNS, HTTPS, SSH, LDAP, etc. with the ability to troubleshoot network and connectivity issues. • Understanding of DISA STIGs, SCAP, vulnerability scanning, system hardening, and security remediation. • Experience with PowerShell, Bash, and/or Ansible for system administration, automation and configuration. • Ability to develop and maintain technical documentation, procedures, and configuration records. • Ability to work in an Agile environment with a focus on continuous improvement, collaboration, troubleshooting, and delivery. • Excellent written and verbal communication skills and ability to effectively interface with numerous cognizant security agencies, customers, and senior management. • Ability to manage multiple networks in a dynamic, demanding environment. Desired Qualifications: • Prior experience as a System Administrator an organization of similar enterprise size and complexity. • Preferred experience with Docker, EKS/Kubernetes, Terraform/IaC, Helm, Git/GitLab, container registries, and containerized applications. • Working knowledge of SSO, OIDC, SAML, IdP, and MFA. • Preferred experience with Keycloak, AppGate SDP, and Zero Trust technologies. • Understanding networking concepts and cybersecurity related tools to include, Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIG) and Security Content Automation Protocol (SCAP), and vulnerability scanners. Radiance Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.