IT Cyber Range Architect III

The University of Arizona•Tucson, AZ

2d•Hybrid

About The Position

The IT Cyber Range Architect III (IT Architect III) operates and maintains the physical Proxmox cluster, storage systems, and networking infrastructure supporting the University of Arizona's College of Information Science Cybersecurity Learning Environment. This position manages the hardware lifecycle, ensures system availability and performance, maintains security boundaries between student and administrative environments, and coordinates infrastructure improvements with campus IT services. This role focuses on infrastructure operations, virtualization, storage, and networking systems. This is a hybrid position based at the University of Arizona Tucson Campus and requires on-site work two days per week. Visa sponsorship is not available for this position.

Requirements

Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent advanced learning attained through professional level experience required.
Minimum of five (5) years of relevant professional experience in infrastructure or systems administration, or equivalent combination of education and work experience.
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.

Nice To Haves

Proxmox REST API experience.
Docker Compose and container orchestration experience.
Experience with SQL database administration.
Guacamole remote desktop gateway administration experience.
Experience with Ansible and Terraform infrastructure-as-code automation.
Experience with Cloud-init and Packer image creation tools.
Cybersecurity lab or range platform experience.
Experience with academic course support and higher-education IT.
Experience with enterprise domain authentication and access systems.
Ceph cluster optimization and troubleshooting experience.
Experience with software-defined networking technologies and implementation.
Experience with JavaScript and web-application fundamentals for troubleshooting application integration.
Experience working with faculty, academic research, and instructional systems.
Enterprise Linux administration experience.
Relational database administration experience.
Enterprise type-1 hypervisor administration experience.
Experience with distributed storage systems.
Container and containerization experience.
Hardware troubleshooting, diagnostics, and data-center operations experience.
Monitoring and logging system implementation experience.
Security hardening and incident troubleshooting experience.

Responsibilities

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.
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.
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.
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.
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.