Senior Microsoft Systems Lead — Cloud & Security

G6 Technologies, Inc.; Sterling (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

G6 Technologies, Inc. is seeking a Senior Tier III / Lead Systems Engineer to act as the top escalation resource for complex IT issues and to lead customer discussions.

The role emphasizes mentoring engineers and driving strategic technology initiatives across Microsoft 365, Azure, Intune, Entra ID, Defender, and Windows Server. The candidate should have 7+ years of systems engineering/MSP experience, strong problem-solving skills, and excellent communication abilities to interact with

Qualifications

• 7+ years of systems engineering or MSP experience.
• Strong problem-solving and analytical skills.
• Excellent verbal and written communication abilities.
• Ability to lead technical discussions with both technical and non-technical audiences.
• Microsoft certifications preferred (Azure, Microsoft 365, Security, Intune).

Responsibilities

• Act as the primary Tier III escalation resource for complex technical issues.
• Lead troubleshooting and resolution of advanced Microsoft cloud and on-premises infrastructure environments.
• Architect and implement solutions across Microsoft 365, Azure, Intune, Entra ID, Defender, and Windows Server platforms.
• Serve as a technical lead on projects, migrations, security initiatives, and cloud transformations.
• Conduct executive and customer-facing presentations, technical reviews, and strategic planning meetings.
• Mentor and coach Tier I and Tier II engineers.
• Develop standards, documentation, and best practices for service delivery.
• Participate in incident response and critical outage management.
• Collaborate with leadership to improve operational efficiency and customer satisfaction.

Skills

Leadership

Communication

Mentor

Problem-solving

Analytical skills

Executive communications

Tools

Microsoft 365 Administration

Microsoft Intune

Microsoft Defender

Windows Server

Active Directory & Group Policy

Exchange Online

SharePoint Online & Teams

Networking (DNS, DHCP, VPNs, Firewalls)

PowerShell

Backup and DR solutions

Job description

G6 Technologies, Inc. is seeking a Senior Tier III / Lead Systems Engineer to act as the top escalation resource for complex IT issues and to lead customer discussions.

The role emphasizes mentoring engineers and driving strategic technology initiatives across Microsoft 365, Azure, Intune, Entra ID, Defender, and Windows Server. The candidate should have 7+ years of systems engineering/MSP experience, strong problem-solving skills, and excellent communication abilities to interact with