Microsoft Network Engineer – GCC High Environment

Compensation: $90,000–$110,000 Base Salary
Location: New Hope, Mississippi

About the Role

Our client is seeking an experienced Microsoft Network Engineer to design, implement, maintain, and secure a complex Microsoft enterprise network infrastructure within a high-security environment. The ideal candidate will have strong hands-on experience across Microsoft GCC High, Microsoft 365, Intune, Windows Server, FortiGate, Cisco networking, endpoint management, and network security. This individual will play a key role in the organization's GCC High implementation while ensuring network performance, reliability, security, and compliance.

Responsibilities

• Network Design & Implementation
  • Design, implement, and maintain LAN, WAN, and WLAN infrastructure.
  • Configure and manage FortiGate firewalls and switches.
  • Configure and support Cisco switching infrastructure.
  • Manage wireless access points and associated networking technologies.
  • Develop secure and scalable network architectures.
  • Create and maintain network diagrams and technical documentation.
  • Ensure network infrastructure meets performance, reliability, and security requirements.
• Security & Compliance
  • Configure and enforce firewall rules, network segmentation, access controls, and security policies.
  • Perform network risk and vulnerability assessments.
  • Identify security weaknesses and implement corrective actions.
  • Work closely with the organization's CMMC compliance team.
  • Support technical controls associated with CMMC and NIST frameworks.
  • Continuously evaluate opportunities to strengthen infrastructure security.
• Microsoft GCC High & Microsoft 365
  • Assist with the implementation and ongoing administration of Microsoft GCC High.
  • Administer and optimize Microsoft services including:
    • Microsoft 365
    • Azure AD / Microsoft Entra ID
    • Exchange Online
    • SharePoint
    • Microsoft Teams
    • Microsoft Defender
  • Configure Microsoft compliance policies.
  • Support risk and vulnerability management solutions.
  • Maintain secure integration between cloud and on-premises environments.
• Microsoft Intune & Endpoint Management
  • Administer Microsoft Intune.
  • Configure endpoint security and compliance policies.
  • Manage device configuration and lifecycle management.
  • Develop and improve secure onboarding procedures for employees and equipment.
  • Ensure users receive secure access to required applications, systems, and resources.
  • Maintain endpoint security throughout the device lifecycle.
• Troubleshooting & Technical Support
  • Troubleshoot complex networking and infrastructure issues.
  • Resolve server, endpoint, network, and user-related problems.
  • Perform root-cause analysis following technical incidents.
  • Implement preventative measures to reduce recurring issues.
  • Provide advanced technical support for Microsoft and networking environments.
• Performance Monitoring & Optimization
  • Monitor network performance, availability, security, and reliability.
  • Conduct regular network performance testing.
  • Identify network bottlenecks and potential failures.
  • Implement improvements to maximize network uptime and performance.
  • Proactively identify infrastructure risks before they impact operations.
• Project Management
  • Lead network, infrastructure, security, and Microsoft-related projects.
  • Manage projects from planning through implementation.
  • Coordinate project schedules and technical resources.
  • Maintain appropriate technical and project documentation.
  • Conduct post-implementation reviews.
  • Ensure projects are completed accurately and on schedule.
• Team Collaboration & Technical Leadership
  • Serve as a technical subject matter expert for networking and Microsoft infrastructure.
  • Collaborate with IT, network, security, and compliance teams.
  • Provide technical guidance and mentorship to other team members.
  • Communicate technical issues effectively to both technical and non-technical stakeholders.
  • Learn and develop expertise in new technologies as organizational requirements evolve.

Requirements

• 7+ years of overall IT experience.
• Ideally 3–5+ years in a high-level Network Engineering position.
• Strong knowledge of:
  • TCP/IP
  • DNS
  • DHCP
  • VLANs
  • VPNs
  • Routing
  • Switching
• Strong hands-on experience with FortiGate firewalls.
• Strong experience with Cisco switching infrastructure.
• Advanced Microsoft Windows Server experience.
• Strong Microsoft 365 administration experience.
• Hands-on Microsoft Intune experience.
• Experience implementing secure user and device onboarding processes.
• Strong troubleshooting and root-cause analysis skills.
• Strong project management and organizational abilities.
• Excellent written and verbal communication skills.

Pay

$90,000–$110,000 Base Salary