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Senior Systems Engineer

Cantor FitzgeraldNew York, NY🇺🇸United StatesPosted 16 Aug 2026

Why This Role Stands Out

Advance your career with this impactful Senior Systems Engineer role at Cantor Fitzgerald, offering a competitive salary and hybrid flexibility to manage cutting-edge Microsoft 365 and Azure environments. You'll thrive here if you possess strong expertise in cloud technologies, cross-tenant management, and a passion for driving secure and efficient system integrations, making this an excellent opportunity to contribute to a reputable firm. Apply today to leverage your skills and explore significant professional growth.

Quick Overview

Salary
$180k - $200k/yr
Work Type
Hybrid
Level
Mid Senior

Job Description

Job Description

The Senior Systems Engineer will play a crucial role in managing and optimizing our Microsoft 365 and Azure environments, ensuring secure and efficient operations. This role involves overseeing complex cross-tenant access scenarios, M&A integrations, and domain migrations, as well as providing expertise in Power Platform, Entra ID, and email security.

Responsibilities

  • Lead the administration and governance of Microsoft 365 and Azure environments, including Exchange Online, SharePoint Online, Microsoft Teams, and Entra ID.
  • Manage complex cross-tenant access scenarios, ensuring secure and efficient collaboration across multiple tenants.
  • Oversee M&A integrations and cross-tenant migrations, including mailbox, Teams, SharePoint, and identity consolidation.
  • Configure and manage multi-tenant organization (MTO) settings, such as cross-tenant synchronization, shared address books, and calendar federation.
  • Administer email security and messaging infrastructure, ensuring compliance with industry standards and regulations.
  • Manage Windows server operations, virtualization, and incident response, with a focus on automation and service improvement.
  • Collaborate with internal application development teams to ensure optimal utilization of Power Platform services.
  • Monitor and govern Power Platform database allocations, ensuring efficient resource utilization.
  • Handle read-only and delegated access requests to Azure and M365 resources, maintaining a secure and controlled environment.
  • Provide technical ownership and expertise during M&A activities, ensuring a smooth transition and integration of acquired entities.

Qualifications

  • 5+ years of experience in a Microsoft 365 / enterprise systems engineering role, preferably in a large, complex organization.
  • Proven hands-on experience with M365 cross-tenant migrations and integrations, including mailbox, Teams, and SharePoint migrations.
  • Deep understanding of multi-tenant organization (MTO) architecture and cross-tenant access policies.
  • Strong Entra ID / Azure AD skills, including app registrations, conditional access, and guest identity management.
  • Experience with Power Platform administration, including environment management and service principal governance.
  • Familiarity with email security standards (DMARC, SPF, DKIM) and enforcement tooling.
  • ITSM experience, including change management, CHR procedures, and incident management.
  • Excellent communication skills, both written and verbal, with the ability to collaborate effectively with stakeholders.
  • Enthusiasm for AI tooling and automation, with a willingness to explore and implement AI-powered solutions for infrastructure and M365 operations.
  • Knowledge of financial services regulatory and compliance requirements is an asset.

Compensation Expectations: $180,000 - $200,000 Base Salary

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Skills

Azure

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