M365 Testing Engineer Lead

Location: New York NY

Onsite Flexibility: Hybrid (3 days onsite per week)

• Position Type: Contract
• Contract Duration: 6 months
• Pay Rate: $65.00$70.00 / Hour (USD)
• Shift / Schedule: 9:00 AM 5:00 PM EST
• Work Authorization: Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

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. The ideal candidate will serve as the bridge between engineering security compliance and business stakeholders translating requirements into comprehensive testing strategies while ensuring quality stability governance and regulatory compliance across the M365 environment. This role includes ownership of lower testing rings (lanes) that support ongoing continuous regression testing and release validation.

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.

• 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.
• Excellent stakeholder communication and leadership skills.

• Experience supporting large enterprise financial services or highly regulated environments.
• Familiarity with governance frameworks such as ITIL COBIT NIST or similar control frameworks.
• Experience with CI/CD pipelines automated testing tools and continuous integration practices.
• Exposure to Microsoft Purview compliance monitoring or Microsoft security governance initiatives.
• Relevant certifications such as Microsoft Certifications ISTQB ITIL or equivalent.

• Medical Vision and Dental Insurance Plans
• 401k Retirement Fund

This client specializes in IT modernization and transformation delivering secure on-demand technology services to enterprise organizations. Operating across the technology and financial services sector the organization supports large-scale digital transformation initiatives and employs software engineers QA professionals security specialists and IT project managers who collaborate to deliver mission-critical solutions.

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation a Native American-owned company in Alaska. We highly value diverse and inclusive workplaces and support Fortune 500 organizations across banking financial services technology life sciences biotech utilities and retail sectors throughout the U.S. and Canada.

Job Number: 26-12030 Industry: Engineering