Remote Systems Administrator, Hybrid Cloud & Infra

Red River; Annapolis (MD); On-site; USD 70,000 - 100,000; Full time

Job summary

Red River is seeking a Systems Administrator to manage and improve our hybrid infrastructure, including Windows Server, Active Directory, Entra ID, Microsoft 365, Nutanix, and cloud platforms. You will ensure availability, security, and performance across enterprise systems and collaborate with engineers, security, and service desk teams.

The role emphasizes incident response, change management, and continuous improvement, with after-hours and on-call support as needed.

Qualifications

• Bachelor's degree in IT, 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 including DNS, DHCP, TCP/IP, VPNs, 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 identify opportunities to improve reliability.
• Support backup, replication, disaster recovery, and business continuity activities, including backup validation and recovery testing.
• Implement and maintain infrastructure security controls, hardening standards, vulnerability remediation, and compliance/audit support.
• 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, incident response, maintenance, and improvements.
• Participate in IT service management processes including incident response, change requests, problem investigation, service requests, and post-implementation reviews.
• Participate in scheduled maintenance windows, after-hours support, and on-call rotations as required.

Skills

Windows Server

Active Directory

Microsoft Entra ID

Microsoft 365

Nutanix

Azure

AWS

Backup & DR

Endpoint management

PowerShell

Education

Bachelor's degree in IT/CS or related field

Tools

Nutanix

Azure

AWS

Microsoft 365

Job description

Red River is seeking a Systems Administrator to manage and improve our hybrid infrastructure, including Windows Server, Active Directory, Entra ID, Microsoft 365, Nutanix, and cloud platforms. You will ensure availability, security, and performance across enterprise systems and collaborate with engineers, security, and service desk teams.

The role emphasizes incident response, change management, and continuous improvement, with after-hours and on-call support as needed.