Hybrid Infrastructure Admin: Windows & Cloud

Red River; United States; Hybrid; USD 95,000 - 125,000; Full time

Job summary

Red River is seeking a Systems Administrator to join our hybrid infrastructure team in the United States. You will manage Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, and cloud platforms such as Azure and AWS, ensuring security, reliability, and performance across enterprise systems.

You will monitor systems, support backup and disaster recovery, contribute to automation, and serve as an escalation point for complex issues.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or a 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, including DNS, DHCP, TCP/IP, VPN technologies, 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 proactively identify opportunities to improve reliability and operational 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 activities, 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 a Tier II/III escalation resource for complex infrastructure, cloud, Microsoft 365, identity, and endpoint-related issues.
• Develop, maintain, and improve technical standards, operational procedures, administrative documentation, and knowledge base articles.
• Assist with infrastructure automation, scripting, workflow improvement, and evaluation of new technologies that improve consistency, security, and efficiency.
• Collaborate with engineering, security, service desk, and business teams on infrastructure initiatives, incident response, maintenance activities, and operational improvements.
• Participate in IT service management processes, including incident response, change requests, problem investigation, service requests, maintenance coordination, and post-implementation reviews.
• Participate in scheduled maintenance windows, after-hours support, and on-call rotations as required.

Skills

Strong troubleshooting

Documentation

Communication

Education

Bachelor's degree in Information Technology, Computer Science, or related field

Tools

Windows Server

Active Directory

Group Policy

Microsoft Entra ID

Microsoft 365

Nutanix

Azure

AWS

Backup & DR

Endpoint management

PowerShell

Job description

Red River is seeking a Systems Administrator to join our hybrid infrastructure team in the United States. You will manage Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, and cloud platforms such as Azure and AWS, ensuring security, reliability, and performance across enterprise systems.

You will monitor systems, support backup and disaster recovery, contribute to automation, and serve as an escalation point for complex issues.