M365 Testing Engineer Lead

MRCC; New York (NY); On-site; USD 150,000 - 230,000; Full time

Job summary

MRCC in New York seeks an experienced M365 Testing Engineer Lead to drive testing strategy, quality assurance, and governance across a complex Microsoft 365 ecosystem. Lead regression testing across Exchange Online, SharePoint Online, Teams, Defender, and related platforms, translating requirements into test plans and metrics.

The role focuses on establishing governance standards, coordinating with Security and Compliance teams, and delivering automated regression suites and continuous testing

Qualifications

• 5+ years in QA, testing, automation, or software validation.
• 3+ years leading enterprise testing programs or QA teams.
• Strong experience with Microsoft 365 technologies (Exchange Online, Teams, SharePoint).
• Experience designing testing frameworks and automation strategies.
• Knowledge of Defender, security controls, compliance validation, and email routing tech.
• Experience with defect management, test planning, reporting, and release governance.
• Strong ITIL/ITSM principles understanding.

Responsibilities

• Define and execute enterprise M365 testing and automation strategies.
• Lead end-to-end regression testing across EXO, Teams, SharePoint Online, Core Services, Client Workstation Packaging, Robotics/Automation Platforms, Defender, Email Routing.
• Translate business, engineering, UX, security, and compliance requirements into test plans, cases, and validation criteria.
• Drive test planning, execution, defect management, reporting, and quality metrics.
• Review test results and provide release-readiness recommendations.
• Establish testing governance standards and best practices across M365 platforms.
• Partner with Security, Risk, Compliance, and Infrastructure to validate controls and regulatory requirements.
• Track KPIs, defect trends, and compliance reporting; support audit readiness with documentation.

Skills

Quality assurance

Testing automation

Software validation

Leadership

Job description

We are seeking an experienced M365 Testing Engineer Lead to drive testing strategy, quality assurance, and governance across a complex Microsoft 365 ecosystem. This individual will lead regression testing efforts spanning Exchange Online (EXO), SharePoint, Teams, Microsoft 365 Core Services, Robotics, Client Workstation Packaging, and Microsoft 365 Security & Compliance platforms including Microsoft Defender and Email Routing solutions.

Key Responsibilities Testing Leadership & Strategy

• Define and execute enterprise M365 testing and automation strategies.
• Lead end-to-end regression testing across:
  • Exchange Online (EXO)
  • Microsoft Teams
  • SharePoint Online
  • Microsoft 365 Core Services
  • Client Workstation Packaging
  • Robotics/Automation Platforms
  • Microsoft Defender
  • Email Routing & Messaging Infrastructure
• Translate business, engineering, user experience, security, and compliance requirements into test plans, test cases, and validation criteria.
• Drive test planning, execution, defect management, reporting, and quality metrics.
• Review test results and provide recommendations for release readiness.

Governance & Compliance

• Establish testing governance standards, quality controls, and testing best practices across M365 platforms.
• Partner with Security, Risk, Compliance, and Infrastructure teams to validate security controls and regulatory requirements.
• Ensure testing processes align with organizational governance frameworks, audit requirements, and operational controls.
• Track testing KPIs, quality metrics, defect trends, and compliance reporting.
• Support audit readiness activities through documentation, traceability, and testing evidence collection.

Automation & Continuous Testing

• Define automation frameworks and testing standards.
• Drive common testing tools, frameworks, and reusable automation practices.
• Establish automated regression suites and continuous testing capabilities.
• Oversee test data generation, environment management, and test execution optimization.
• Support continuous testing models through ownership of lower environment testing rings and validation pipelines.

Required Qualifications

• 5+ years of Quality Assurance, Testing, Automation, or Software Validation experience.
• 3+ years leading enterprise testing programs or QA teams.
• Strong experience testing Microsoft 365 technologies including Exchange Online, Teams, SharePoint, and Microsoft 365 Security solutions.
• Experience designing and implementing testing frameworks and automation strategies.
• Knowledge of Microsoft Defender, security controls, compliance validation, and email routing technologies.
• Experience with defect management, test planning, reporting, and release governance.
• Strong understanding of IT Service Management (ITIL/ITSM) principles.