Senior Microsoft Platform Engineer

TL;DR

Senior Microsoft Platform Engineer: Managing and optimizing the organization’s Microsoft ecosystem with an accent on Microsoft 365 administration, identity services, and enterprise-wide patch management. Focus on ensuring platform security, compliance with CMMC/NIST standards, and driving operational efficiency through PowerShell automation.

Location: Remote (United States)

Salary: $125,600–$140,000 USD

Company

A global leader in fire protection engineering, security, and risk-based consulting, dedicated to making the world safer and more resilient since 1939.

What you will do

• Administer Microsoft 365 environments including Exchange, Teams, SharePoint, and OneDrive.
• Manage identity services via Microsoft Entra ID, including PIM, RBAC, and conditional access.
• Own enterprise endpoint management and lead Windows patch management for workstations and servers.
• Administer Microsoft Defender technologies to improve security posture and compliance.
• Develop PowerShell scripts to standardize administration and improve operational efficiency.
• Provide Tier 3 support and collaborate with Infrastructure, InfoSec, and Service Desk teams.

Requirements

• 8-12 years of experience in Microsoft infrastructure.
• Expert knowledge of Microsoft 365, Windows Server, Active Directory, Entra ID, and Intune.
• Strong experience with enterprise patch management and Microsoft Defender.
• Proficiency in PowerShell scripting.
• Experience supporting enterprise-level Microsoft environments.
• Must be based in the United States.

Nice to have

• Experience with Microsoft GCC/GCC High environments.
• Knowledge of Windows Autopilot and MECM/SCCM.
• Familiarity with CMMC and NIST compliance frameworks.
• Relevant Microsoft certifications (Endpoint, Identity, or Azure Administrator).

Culture & Benefits

• Competitive total rewards package including retirement plans and healthcare coverage.
• Commitment to professional growth, integrity, and a culture of trust.
• Global Employee Networks to support career development and community building.
• Focus on innovation and responsible use of technology.