Hybrid IT Systems Administrator: Windows, Cloud & Security

Red River; Dover (DE); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Red River is seeking a Systems Administrator to manage and improve its hybrid infrastructure, including Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, Nutanix, Azure, and AWS. The role supports security, compliance, disaster recovery, and endpoint management while collaborating with engineers, service desk, and business stakeholders.

Ideal candidates will have 5+ years in enterprise infrastructure, strong scripting skills (PowerShell), and experience with Intune, Group

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent work experience.
• Five or more years of experience administering enterprise infrastructure environments.
• Experience supporting Windows Server, Active Directory, Group Policy, Microsoft Entra ID, and Microsoft 365 services.
• Experience supporting virtualization platforms, preferably Nutanix, and cloud environments such as Azure and/or AWS.
• Experience with backup, disaster recovery, endpoint management, and business continuity processes.
• Working knowledge of networking fundamentals such as DNS, DHCP, TCP/IP, VPN, VLANs, routing, and firewalls.
• Strong troubleshooting, documentation, communication, prioritization, and problem-solving skills.

Responsibilities

• Administer and maintain Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, Nutanix, Azure, AWS, and related hybrid infrastructure platforms.
• Monitor system health, availability, utilization, and performance; participate in capacity planning and improve reliability and efficiency.
• Support backup, replication, disaster recovery, and business continuity activities, including backup validation and recovery testing.
• Implement and maintain infrastructure security controls, system hardening standards, vulnerability remediation, and compliance/audit support processes.
• Support endpoint and identity management technologies, including Microsoft Intune, Group Policy, access controls, endpoint compliance, and related security platforms.
• Serve as Tier II/III escalation resource for complex infrastructure, cloud, Microsoft 365, identity, and endpoint-related issues.
• Develop, maintain, and improve technical standards, procedures, documentation, and knowledge base articles.
• Assist with infrastructure automation, scripting, workflow improvement, and evaluation of new technologies.
• Collaborate with engineering, security, service desk, and business teams on infrastructure initiatives and improvements.
• Participate in IT service management processes and on-call rotations.

Skills

Windows Server

Active Directory

Microsoft Entra ID

Microsoft 365

Nutanix

Azure

AWS

Backup & DR

Endpoint management

ITIL processes

Education

Bachelor's degree in Information Technology or Computer Science

Tools

PowerShell scripting

Intune

Group Policy

Nutanix

Job description

Red River is seeking a Systems Administrator to manage and improve its hybrid infrastructure, including Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, Nutanix, Azure, and AWS. The role supports security, compliance, disaster recovery, and endpoint management while collaborating with engineers, service desk, and business stakeholders.

Ideal candidates will have 5+ years in enterprise infrastructure, strong scripting skills (PowerShell), and experience with Intune, Group