Senior Systems & VM Infrastructure Administrator

Delta Dental of Kentucky

Louisville (KY)

On-site

USD 80,000 - 110,000

Full time

4 days ago

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Job summary

Delta Dental of Kentucky is seeking an experienced IT Infrastructure Administrator to design, deploy, and maintain enterprise Windows and Linux servers, virtualization, and SAN storage. You will ensure availability, performance, security, and resiliency of systems, manage patching, backups, and disaster recovery, and support domain services while contributing to modernization efforts.

Responsibilities include administering vSphere environments, servers, AD, and storage, plus implementing

Qualifications

Bachelor’s degree in computer science, information systems, or related field and 3–5 years of enterprise infrastructure experience.
Demonstrated experience with virtualization, Windows/Linux servers, and SAN storage.
Ability to implement security hardening and patch management practices.
Experience with AD, DNS, DHCP, and domain services.
Familiarity with backup, recovery, and BCDR concepts.
Strong analytical, troubleshooting, and communication skills.

Responsibilities

Administer and support enterprise virtualization platforms (VMware vSphere/ESXi, vCenter).
Manage physical server hardware, including installation, firmware upgrades, lifecycle management, and performance tuning.
Provision, configure, and maintain Windows and Linux server environments in virtual and physical deployments.
Perform capacity planning and resource optimization across compute, memory, and storage.
Administer SAN/storage systems, including LUN provisioning, zoning, and performance monitoring.
Manage storage allocations for high availability and optimal performance.
Support fiber channel and/or iSCSI configurations.
Administer Active Directory, including Group Policy, DNS, DHCP, and domain services.
Manage identity, access, and system security configurations.
Perform server builds, system hardening, and configuration per security best practices.
Develop and execute patch management processes for Windows and Linux systems.
Harden systems per security standards; assist vulnerability remediation with security teams.
Manage enterprise backup solutions and ensure successful backup jobs.
Design, test, and maintain disaster recovery and failover procedures.
Participate in Business Continuity and Disaster Recovery planning and execution.
Monitor system health and performance; analyze trends and drive improvements.
Troubleshoot complex infrastructure issues and participate in root cause analysis.
Provide basic database administration support (e.g., SQL Server) and coordinate with application teams.