Senior Systems Administrator: AI-Driven Identity & Cloud

The Nuclear Company; Washington, Columbia (District of Columbia, SC); On-site; USD 121,000 - 143,000; Full time

Job summary

The Nuclear Company is seeking a Senior Systems Administrator to securely administer and scale Microsoft 365, Entra ID, managed endpoints, AWS, and Windows/Linux server environments. This role acts as the Tier 3 escalation point and drives automation to streamline provisioning, compliance, and reporting.

The ideal candidate will have hands-on experience with 365/Entra ID, Intune, PowerShell automation, and a security-first mindset to support a fast-paced, auditable environment.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field, plus 5+ years of progressive systems administration experience.
• Strong Microsoft 365 and Entra ID administration experience, including Exchange Online, SharePoint Online, RBAC and lifecycle management.
• Hands-on endpoint and server administration using Intune across Windows/macOS/iOS; Windows Server, AD, and Group Policy; familiarity with RMM concepts.
• Advanced PowerShell automation skills and solid networking knowledge; able to use AI-assisted tools responsibly in workflows.

Responsibilities

• Administer and securely scale Microsoft 365, Entra ID, endpoints, AWS, and Windows/Linux servers.
• Serve as Tier 3 escalation point for complex issues and coordinate cross-functional handoffs.
• Develop automation and repeatable processes for deployment, configuration, and lifecycle management.
• Maintain documentation, runbooks, and evidence for audits and operational continuity.
• Collaborate with HR, Legal, Engineering and other teams on onboarding, access, and security initiatives.

Skills

Security-minded

Troubleshooting

Automation mindset

Education

Bachelor's degree in Computer Science or related field

Tools

PowerShell

Intune

NinjaOne

Python

Bash

Job description

The Nuclear Company is seeking a Senior Systems Administrator to securely administer and scale Microsoft 365, Entra ID, managed endpoints, AWS, and Windows/Linux server environments. This role acts as the Tier 3 escalation point and drives automation to streamline provisioning, compliance, and reporting.

The ideal candidate will have hands-on experience with 365/Entra ID, Intune, PowerShell automation, and a security-first mindset to support a fast-paced, auditable environment.