Senior Systems Administrator: Cloud, Security & Automation

Nextpower; Nashville (TN); On-site; USD 110,000 - 140,000; Full time

Job summary

Nextpower is seeking a Senior Systems Administrator to join our Nashville-based IT Infrastructure team. You will design, administer, secure, and support enterprise infrastructure across Windows, Linux, cloud, virtualization, and end-user computing platforms.

The role requires strong expertise in Windows Server environments, Linux, automation, cloud services, and collaboration with cybersecurity and networking teams to maintain a secure, reliable tech environment.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent practical experience.
• 7+ years of enterprise systems administration experience.
• Strong experience administering Windows Server environments.
• Working knowledge of Linux administration (Red Hat, Rocky, Ubuntu, or similar distributions).
• Experience managing Active Directory, Entra ID, DNS, DHCP, Group Policy, and Microsoft 365.
• Experience with VMware and/or Hyper-V virtualization platforms.
• PowerShell and at least one additional scripting language such as Bash or Python.
• Understanding of networking fundamentals including TCP/IP, VPNs, routing, switching, and firewalls.
• Experience with backup and disaster recovery technologies.
• Strong troubleshooting, documentation, and communication skills.

Responsibilities

• Administer Windows and Linux server environments across on-premises and cloud-hosted infrastructure.
• Manage core infrastructure services including Active Directory, Entra ID, DNS, DHCP, Group Policy, certificate services, and identity management platforms.
• Support virtualization platforms including VMware and/or Hyper-V.
• Maintain enterprise storage, backup, disaster recovery, and business continuity solutions.
• Monitor system health, performance, availability, and capacity across infrastructure platforms.
• Participate in infrastructure lifecycle management, including system upgrades, migrations, and decommissioning activities.

Skills

PowerShell scripting

Bash scripting

Python scripting

Networking fundamentals

Troubleshooting

Documentation

Communication

Education

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

Tools

Active Directory

Entra ID

DNS

DHCP

Group Policy

Certificate services

VMware

Hyper-V

Azure

AWS

Microsoft 365

Okta

Job description

Nextpower is seeking a Senior Systems Administrator to join our Nashville-based IT Infrastructure team. You will design, administer, secure, and support enterprise infrastructure across Windows, Linux, cloud, virtualization, and end-user computing platforms.

The role requires strong expertise in Windows Server environments, Linux, automation, cloud services, and collaboration with cybersecurity and networking teams to maintain a secure, reliable tech environment.