Senior Microsoft 365 Security Engineer | XDR/SIEM Expert

NATIONMIND LLC; Bridgewater Township (NJ); Hybrid; USD 120,000 - 170,000; Full time

Job summary

NationMind LLC is seeking a Senior Microsoft Security Engineer to design, implement, and optimize enterprise security solutions across Microsoft and Check Point technologies. You will drive security initiatives, govern compliance, and support Azure security for client environments.

The role demands strong consulting, customer-facing communication, and leadership in security transformation for enterprise clients, including Microsoft 365 migrations and Defender XDR implementations.

Qualifications

• Senior Microsoft Security Engineer with design, implementation and optimization of security solutions across Microsoft and Check Point technologies.
• Deep expertise in Microsoft Defender XDR, Microsoft Sentinel, Purview, Entra ID, and Check Point platforms.
• Strong consulting, customer-facing communication, and ability to lead security transformation initiatives for enterprise clients.

Responsibilities

• Lead enterprise security initiatives across governance, compliance, and technical controls.
• Support ISO 27001, NIST CSF, CIS Controls, and Zero Trust implementations.
• Contribute to security architecture, risk assessments, and audit activities.
• Create and maintain security documentation and baselines.

Skills

Cyber Security

Microsoft Security Solutions

SOC Environments

Microsoft 365 Migrations

Cloud Security (Azure)

Tools

PowerShell

KQL

Microsoft Graph API

REST API

JSON

Job description

NationMind LLC is seeking a Senior Microsoft Security Engineer to design, implement, and optimize enterprise security solutions across Microsoft and Check Point technologies. You will drive security initiatives, govern compliance, and support Azure security for client environments.

The role demands strong consulting, customer-facing communication, and leadership in security transformation for enterprise clients, including Microsoft 365 migrations and Defender XDR implementations.