IT Cyber Range Architect III

This IT Cyber Range Architect III position is with University of Arizona in Tucson, AZ. Cluster and Infrastructure Administration: Operate and administer the on-prem Proxmox virtualization cluster; administer the Ceph distributed storage system; manage cluster node roles, membership, and health; monitor and optimize resource allocation; maintain KVM/QEMU virtual machines and Linux container environments; troubleshoot infrastructure failures and performance issues; perform capacity planning and resource forecasting. Networking and Security Infrastructure: Maintain physical and software-defined networking (Proxmox SDN); configure and manage VLANs and network zones; implement student lane isolation and firewall rules; manage administrative and instructor access controls; configure routing, DNS, DHCP, and NAT; maintain security boundaries and administrative access policies; coordinate with campus network and security teams; conduct security hardening reviews. Storage and Backup Operations: Monitor Ceph cluster health and performance; manage storage pools, replication, and quorum; maintain ZFS backup systems and recovery procedures; monitor disk capacity and performance thresholds; optimize storage efficiency and performance; perform recovery operations for infrastructure components; verify backup integrity; manage storage licensing and warranties. Maintenance and Updates: Manage hardware lifecycle and warranties; perform operating-system patching and updates on all infrastructure components; maintain base VM and container templates; execute Proxmox and container platform updates; conduct security hardening and vulnerability management; perform routine system maintenance and health checks; coordinate with hardware vendors and support. Monitoring, Documentation, and Coordination: Monitor system availability, performance, and alerts; maintain infrastructure documentation and runbooks; coordinate data-center and network dependencies; support automation and infrastructure-as-code implementations; train and supervise student employees on infrastructure tasks; participate in post-incident reviews; maintain change logs and compliance documentation. Knowledge, Skills, Abilities Ability to troubleshoot complex Linux infrastructure and virtualization problems. Knowledge of infrastructure-as-code automation systems. Knowledge of performance optimization and capacity planning. Knowledge of security awareness and compliance requirements. Knowledge of documentation and knowledge management disciplines. Ability to maintain attention to detail and accuracy in infrastructure changes. Ability to maintain uptime on aging hardware and make improvements when resources are available. Ability to work under pressure during critical incidents. Ability to solve problems collaboratively in cross-functional teams. Commitment to continuous learning and professional development. Knowledge of project management for infrastructure upgrades and changes. Knowledge of data-center operations and environmental monitoring. Knowledge of TCP/IP networking frameworks. Knowledge of backup and recovery procedures and best practices. Knowledge of system automation and DevSecOps workflows.