Hybrid Cloud & Enterprise Systems Administrator

Red River; Chantilly (VA); Hybrid; USD 90 - 130,000; Full time

Job summary

Red River is seeking a Systems Administrator to act as a technical resource for enterprise infrastructure, ensuring availability, security, and performance across hybrid platforms. You will collaborate with engineers, security, service desk, and business stakeholders to implement, monitor, and improve operational procedures.

The role requires extensive experience with Windows Server, Active Directory, Entra ID, and Microsoft 365, plus virtualization and cloud technologies.

Qualifications

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

Responsibilities

• Administer and maintain Windows Server, Active Directory, Entra ID, Microsoft 365, Nutanix, Azure, AWS, and related hybrid infrastructure platforms.
• Monitor system health and performance; participate in capacity planning and reliability improvements.
• Support backup, disaster recovery, and business continuity activities including testing.
• Implement security controls, system hardening, vulnerability remediation, and compliance support.
• Support endpoint and identity management technologies and related security platforms.
• Escalate complex infrastructure, cloud, identity, and endpoint issues (Tier II/III).
• Develop and maintain technical standards, procedures, and knowledge base articles.
• Assist with automation, scripting, and evaluation of new technologies.
• Collaborate with IT teams on incidents, maintenance, and infrastructure initiatives.
• Participate in IT service management processes and on-call rotations.

Skills

Windows Server administration

Active Directory

Group Policy

Microsoft Entra ID

Microsoft 365 administration

Infrastructure troubleshooting

Education

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

Equivalent work experience

Tools

Nutanix

Azure

AWS

Microsoft Entra ID

Microsoft 365

PowerShell

Job description

Red River is seeking a Systems Administrator to act as a technical resource for enterprise infrastructure, ensuring availability, security, and performance across hybrid platforms. You will collaborate with engineers, security, service desk, and business stakeholders to implement, monitor, and improve operational procedures.

The role requires extensive experience with Windows Server, Active Directory, Entra ID, and Microsoft 365, plus virtualization and cloud technologies.