Senior Systems Administrator - Cloud, AD & Security Lead

Artesian Water Company; Newark (DE); On-site; USD 90,000 - 130,000; Full time

Job summary

Artesian Water Company in Newark, DE is seeking a Senior Systems Administrator to own and optimize IT infrastructure across Windows, Linux, AD, and cloud environments. You will ensure system integrity, implement security patches, and drive improvements company-wide.

The role requires strong experience with Active Directory, virtualization, and Microsoft 365, with hands-on monitoring and incident response. Join a team focused on reliability and scalable IT services.

Qualifications

• Oversee lifecycle operations for servers, appliances, virtual and cloud systems.
• Administer AD, DNS, DHCP, and authentication services.
• Develop and manage monitoring, alerting, and reporting tools for IT infrastructure.
• Lead corrective efforts to address and prevent security vulnerabilities.
• Provide 24/7 incident management support for production environments.

Responsibilities

• Oversee lifecycle operations for servers, appliances, virtual and cloud systems, and communications platforms
• Administer and troubleshoot Active Directory, GPOs, DNS, DHCP, and authentication services
• Implement and maintain security patches, updates, and enhancements
• Develop and manage monitoring, alerting, and reporting tools for IT infrastructure
• Lead corrective efforts to address and prevent security vulnerabilities
• Provide 24/7 incident management support for production environments
• Aide with planning and managing annual budgets, roadmaps, and project schedules
• Ensure compliance with company policies, licensing, and regulatory requirements
• Collaborate with vendors to identify best-fit solutions
• Maintain and test disaster recovery plans

Skills

Active Directory

DNS

DHCP

GPOs

Microsoft 365

Azure

AWS

Windows Server

Linux

Communication

Education

Bachelor's degree in IT/CS

Tools

VMware

Hyper-V

Citrix

Nutanix

Linux KVM

Job description

Artesian Water Company in Newark, DE is seeking a Senior Systems Administrator to own and optimize IT infrastructure across Windows, Linux, AD, and cloud environments. You will ensure system integrity, implement security patches, and drive improvements company-wide.

The role requires strong experience with Active Directory, virtualization, and Microsoft 365, with hands-on monitoring and incident response. Join a team focused on reliability and scalable IT services.