Systems Administrator

Delta Dental of Kentucky, Inc•Louisville, KY

14h

About The Position

Responsible for the design, administration, maintenance, and optimization of enterprise servers, virtualization, and storage infrastructure. This role ensures the availability, performance, security, and resiliency of Windows and Linux systems hosted on VMware platforms, including underlying hardware and SAN storage. The position supports automation, patching, backup/recovery, and domain services while contributing to operational efficiency and infrastructure modernization.

Requirements

Bachelor’s degree in computer science, information systems, or a related field and a minimum of 3-5 years of experience administering enterprise infrastructure environments.
Equivalent combination of education and experience will be accepted.
Virtualization: VMware vSphere, ESXi, vCenter administration
Operating Systems: Windows Server (2016/2019/2022 or later), Linux (RHEL, Ubuntu, or equivalent)
Storage: SAN platforms (Fiber Channel and/or iSCSI)
Active Directory, Group Policy, DNS/DHCP
Patch management and system hardening practices
Backup and recovery solutions and concepts (BCDR)
Strong analytical and troubleshooting skills with the ability to resolve complex technical issues independently.
Strong communication skills with both technical and non-technical stakeholders.
Ability to participate in an on-call rotation (24/7 support as needed).

Nice To Haves

VMware certifications (VCP or higher)
Microsoft certifications (e.g., Windows Server, Azure-related)
Experience with enterprise backup platforms (e.g., Veeam, Commvault, etc.)
Familiarity with monitoring tools and logging platforms
Basic database administration experience (SQL Server or equivalent)

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 both virtual and physical deployments.
Perform capacity planning and resource optimization across compute, memory, and storage layers.
Administer SAN/storage systems, including LUN provisioning, zoning, and performance monitoring.
Manage storage allocations and ensure high availability and optimal performance for hosted workloads.
Support fiber channel and/or iSCSI configurations.
Administer Active Directory, including Group Policy, DNS, DHCP, and domain services.
Manage identity, access, and system-level security configurations.
Perform server builds, system hardening, and configuration according to security best practices.
Develop and execute patch management processes for Windows and Linux systems.
Harden systems based on industry and organizational security standards.
Support vulnerability remediation efforts in coordination with security teams.
Manage enterprise backup solutions and ensure successful completion of backup jobs.
Design, test, and maintain disaster recovery and failover procedures.
Participate in Business Continuity and Disaster Recovery (BCDR) planning and execution.
Monitor system health, performance, and availability across infrastructure layers.
Analyze trends and recommend improvements to system reliability and efficiency.
Troubleshoot and resolve complex infrastructure issues and participate in root cause analysis.
Provide basic administration support for database platforms (e.g., SQL Server), including monitoring, backups, and maintenance tasks.
Collaborate with application teams to ensure infrastructure alignment with application requirements.