Senior Systems Administrator

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

Are you ready to take ownership of critical IT infrastructure? We're seeking a Senior Systems Administrator to join our Information Technologies team. You'll manage and maintain a diverse portfolio - including Windows, Linux, Active Directory, and cloud environments - while driving improvements and ensuring system integrity.

What You'll Do

• 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 the planning and managing of annual budgets, application roadmaps, and project schedules
• Ensure compliance with company policies, licensing, and regulatory requirements
• Collaborate with vendors and advisory services to identify best-fit solutions
• Maintain and test disaster recovery plans

What We're Looking For

• Bachelor's degree in Computer Science, IT, or related field (or equivalent experience)
• 5+ years in enterprise level system administration
• 3+ years administering virtualization platforms (VMware, Hyper-V, Citrix, Nutanix, Linux KVM)
• Hands-on experience with Active Directory, DNS, DHCP, Group Policies, and email administration
• Experience managing Microsoft 365 services (Intune, Autopilot, Exchange Online, SharePoint Online)
• Familiarity with cloud environments (Azure, AWS)
• Familiarity with Linux
• Strong analytical, troubleshooting, and communication skills
• Ability to work independently and manage multiple priorities
• Preferred Skills & Technologies
• Shared Storage, Microsoft 365, Exchange, SharePoint, Intune, Autopilot
• Backup & Recovery solutions

Physical & Work Environment

• Light work: occasionally lifting up to 50 lbs., frequently up to 20 lbs.
• Office setting with possible exposure to server room conditions ARTESIAN IS COMMITTED TO PROVIDING REASONABLE ACCOMMODATIONS UNDER THE AMERICANS WITH DISABILITIES ACT.