Microsoft 365 Security Engineer

NATIONMIND LLC; United States; Hybrid; USD 120,000 - 170,000; Full time

Job summary

NationMind LLC is hiring a Senior Microsoft 365/Security Engineer to design, implement, and optimize enterprise security across Microsoft and Check Point platforms. The role requires strong technical and consulting skills with customer-facing responsibilities and security transformation leadership.

The selected candidate will work across Microsoft Defender XDR, Sentinel, Purview, Entra ID, and Check Point ecosystems in a hybrid Houston/Remote setup, contributing to governance, compliance, and

Qualifications

• 5–10+ years in Cyber Security.
• 3+ years implementing Microsoft Security solutions.
• Experience with enterprise SOC environments.
• Experience with Microsoft 365 migrations and security.
• Experience implementing Microsoft Sentinel SIEM.
• Experience implementing Microsoft Purview compliance solutions.
• Experience managing Check Point firewalls.
• Experience with cloud security (Azure).

Responsibilities

• Design, implement, manage, and optimize enterprise security solutions across Microsoft and Check Point technologies.
• Lead security transformation initiatives for enterprise clients.
• Provide consulting and customer-facing security guidance.
• Support ISO/CSF/CIS Controls and Zero Trust initiatives.

Skills

Cyber Security

Microsoft Security

SOC operations

Cloud security

Security assessments

PowerShell

Kusto Query Language

Microsoft Graph API

REST API

JSON

SIEM

SOAR

XDR

DLP

CASB

IAM

PKI

Identity Protection

Conditional Access

Vulnerability Management

Tools

PowerShell

Kusto Query Language

Microsoft Graph API

REST API

JSON

Job description

Location: United States

About NationMind LLC:

NationMind LLC is a technology consulting firm focused on software development and QA testing services. We help clients build reliable, scalable applications with a strong emphasis on automation, performance, and quality. Our team works across industries, delivering solutions that drive innovation and operational efficiency. We are currently hiring skilled professionals for Microsoft 365/ Security Engineer to join our growing team.

Role – Microsoft 365/ Security Engineer

Duration – Long Term

Location – Houston/Remote

Requirements

Seeking an experienced Senior Microsoft Security Engineer to design, implement, manage, and optimize enterprise security solutions across Microsoft and Check Point technologies. The ideal candidate will have deep expertise in Microsoft Defender XDR, Microsoft Sentinel, Microsoft Purview, Microsoft 365 Security, Microsoft Entra ID, and Check Point security platforms.

This role requires strong technical skills, consulting experience, customer-facing communication, and the ability to lead security transformation initiatives for enterprise clients.

Key Responsibilities

Experience

• 5–10+ years in Cyber Security
• 3+ years implementing Microsoft Security solutions
• Experience with enterprise SOC environments
• Experience with Microsoft 365 migrations and security
• Experience implementing Microsoft Sentinel SIEM
• Experience implementing Microsoft Purview compliance solutions
• Experience managing Check Point firewalls
• Experience with cloud security (Azure)

Governance & Compliance

• Support ISO 27001
• Support NIST CSF
• Support CIS Controls
• Support Zero Trust initiatives
• Conduct security assessments
• Participate in internal and external audits
• Create security documentation
• Review security baselines

Security

• SIEM
• SOAR
• XDR
• DLP
• CASB
• Zero Trust
• IAM
• PKI
• Identity Protection
• Conditional Access
• Vulnerability Management

Check Point

• Quantum Security Gateway
• Smart Console
• Threat Prevention
• IPS
• VPN
• Application Control
• URL Filtering
• Identity Awareness

Scripting

• PowerShell
• Kusto Query Language (KQL)
• Microsoft Graph API
• REST API
• JSON

Preferred Certifications

• Microsoft
• Microsoft Certified: Cybersecurity Architect Expert (SC-100)
• Microsoft Certified: Security Operations Analyst (SC-200)
• Microsoft Certified: Information Protection Administrator (SC-400)
• Microsoft Certified: Identity and Access Administrator (SC-300)
• Microsoft Certified: Security Administrator (MS-500)

Security

• CISSP
• CISM
• CISA
• CEH
• CompTIA Security+
• ISO/IEC 27001 Lead Implementer or Lead Auditor

Check Point

• Check Point Certified Security Administrator (CCSA)
• Check Point Certified Security Expert (CCSE)