Role OverviewAOI is seeking a hands-on Linux & Proxmox Systems Administrator to manage, maintain, secure, and improve our Linux server and virtualized infrastructure supporting our growing IT operations. This role will be responsible for the day-to-day administration of Proxmox VE environments, Linux systems, virtual machines and containers, storage, backups, monitoring, automation, and related infrastructure while helping ensure availability, performance, and security.
What You Will Do
Install, configure, maintain, and troubleshoot Linux servers across production and development environments. Deploy, configure, and manage Proxmox VE clusters, including cluster nodes, quorum, high availability (HA), QEMU/KVM virtual machines, and LXC containers. Create, migrate, snapshot, back up, and restore virtual machines and containers while monitoring resource utilization and optimizing performance.
Why It Might Be a Fit
The ideal candidate combines strong Linux systems administration fundamentals with practical Proxmox experience and the ability to troubleshoot across virtualization, storage, networking, and operating system layers. This person should be comfortable working independently, improving existing environments, automating repetitive work, and partnering across IT teams to maintain reliable infrastructure in a fast-paced, on-site manufacturing environment.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
- 3+ years of professional Linux systems administration experience, including proven hands-on experience with Proxmox VE.
- Experience administering Proxmox VE clusters, including high availability (HA), backup and restore, and storage integration (Ceph, ZFS, NFS, or iSCSI).
- Experience managing virtual machines and LXC containers, including migration, snapshots, and performance tuning.
- Strong knowledge of Linux operating systems, including kernel tuning, boot processes, and package management.
- Proficiency in Bash shell scripting and at least one additional scripting language, such as Python, Perl, or Ruby.
- Solid understanding of networking concepts, including TCP/IP, DNS, DHCP, VLANs, firewalls, and load balancing.
- Knowledge of system security best practices, including SELinux, AppArmor, and iptables/firewalld.
- Familiarity with monitoring and observability tools such as Zabbix, Nagios, Prometheus, or Grafana.
- Experience with backup and recovery tools such as Veeam, Proxmox Backup Server, or rsync.
Benefits
- Flexible and competitive health benefits, including medical, dental, and vision plans designed to meet individual and family needs
- Employer matching on 401(k) deferrals
- Generous PTO policy, with unused PTO payout at end of the year
- Relocation packages available within the United States.
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