Hybrid IT Infrastructure & Identity Security Admin

Elveo; United States; Hybrid; USD 110,000 - 160,000; Full time

Job summary

Elveo is seeking an IT Infrastructure & Systems Administrator to support and maintain core IT infrastructure across Chevy Chase, MD and Chantilly, VA. You’ll administer Microsoft Entra ID, Intune, Defender, Microsoft 365, and MDM tooling, monitor endpoint compliance, and ensure security and CMMC alignment.

The role also covers general network and server administration, firewall/VPN/DNS/DHCP, and serving as an escalation point for technical issues, while assisting with provisioning and onboarding

Qualifications

• 4+ years in network engineering, systems administration, or infrastructure management.
• Experience designing/maintaining LAN/WAN, VPN, firewall, and wireless infrastructure.
• Strong Windows Server and macOS administration experience.
• Hands-on with Azure AD/Entra ID, Conditional Access, and Office 365 at admin/architect level.
• Hands-on with Intune for device/endpoint management and compliance policies.
• Experience with NinjaOne/ManageEngine or similar MDM platforms.
• Experience deploying Microsoft Defender (Endpoint/365) and endpoint security tooling.
• Understanding of ITAR and NIST SP 800-171 controls in regulated environments.
• Comfortable supporting end-users while handling infrastructure duties.

Responsibilities

• Administer and harden core infrastructure: Azure AD, CA, DNS/DHCP, Office 365, and endpoint security.
• Manage endpoint compliance via Intune/MDM platforms with policy design and patch management.
• Implement security controls: firewalls, MFA, network segmentation, and endpoint protection.
• Support CMMC Level 2 compliance; maintain endpoint baselines and evidence for audits.
• Monitor and remediate compliance drift to meet NIST 800-171 requirements.
• Design and maintain LAN/WAN, wireless, VPN, and firewall infrastructure across sites.
• Own network architecture decisions: segmentation, routing, VLANs, redundancy, capacity planning.
• Deploy and monitor security posture using Defender; handle threat detection and remediation.
• Manage server infrastructure (physical/virtual), provisioning, patching, backups.
• Lead incident response and root-cause analysis for outages and performance issues.
• Document topology, architecture, and disaster recovery procedures.

Skills

Azure AD

Intune

Office 365

MDM platforms

NinjaOne

ManageEngine

Microsoft Defender

Firewall

VPN

CMMC

NIST SP 800-171

ITAR

PowerShell

Tools

NinjaOne

ManageEngine

Intune

Office 365

Microsoft Defender

Job description

Elveo is seeking an IT Infrastructure & Systems Administrator to support and maintain core IT infrastructure across Chevy Chase, MD and Chantilly, VA. You’ll administer Microsoft Entra ID, Intune, Defender, Microsoft 365, and MDM tooling, monitor endpoint compliance, and ensure security and CMMC alignment.

The role also covers general network and server administration, firewall/VPN/DNS/DHCP, and serving as an escalation point for technical issues, while assisting with provisioning and onboarding