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Metro location, broad generalist infrastructure skills, and common senior sysadmin title increase candidate competition.
Linux, virtualization, storage, database and middleware skills are highly transferable across industries.
Multiple mandatory platform skills and certifications but no explicit years creates moderate shortlisting strictness.
Deploy and manage Linux virtual machines on VMware vSphere and Proxmox including server provisioning and patch management.
Administer and maintain core Linux infrastructure services such as DNS, NTP, storage management (LVM, multipathing, iSCSI, Fibre Channel), and support for Oracle and PostgreSQL databases, as well as middleware platforms like WebLogic and JBoss/WildFly.
Monitor system performance, maintain documentation, participate in on-call support and ensure adherence to operational and change management standards.
Strong experience with RHEL 7/8/9 and Ubuntu Server administration.
Experience with VMware vSphere / ESXi virtualization platforms and Red Hat Satellite for patching and subscription management.
Technical knowledge in DNS (BIND), NTP (Chrony), TCP/IP networking, LVM, multipathing, iSCSI, Fibre Channel storage, Oracle and PostgreSQL database platforms, and middleware support.
Work Experience Required: Not explicitly mentioned in the JD.
Experienced Linux system engineer with operational ownership of Red Hat Enterprise Linux environments and VMware virtualized infrastructure.
Comfortable with both server provisioning automation (Kickstart) and operational support including patch management and troubleshooting critical infrastructure components.
Familiarity with database and middleware platform support indicating an ability to work in multi-tiered application environments.