Role Overview
We are seeking an authoritative and highly skilled Messaging& Collaboration Team Lead to oversee our enterprise communications infrastructure and guide a technical team of engineers. This dual-focus role requires deep architectural expertise across Microsoft 365, Exchange, and SharePoint, SharePoint Online, combined with a strong operational mandate to drive technical improvements. You will be responsible for defining technical strategy, leading architecture reviews, and acting as the senior technical authority to empower and support L2 and L3 teams in a massive, high-volume environment.
Key Responsibilities
Technical Strategy & Continuous Improvement
- Architecture Review: Lead periodic architecture and design reviews of the messaging, identity, and collaboration environments to ensure alignment with cloud security best practices, cost efficiency, and business scalability.
- Delivery Optimization: Drive continuous technical and delivery improvements by identifying operational bottlenecks, refining ITIL processes, and streamlining the escalation paths between L1, L2, and L3 engineering teams.
- Innovation & Automation: Champion the adoption of advanced automation to reduce manual overhead, utilizing tools like Microsoft Graph API and complex PowerShell modules to streamline administration and reporting.
Team Leadership & Tiered Support Enablement
- L2/L3 Support & Escalation: Serve as the definitive L4 escalation point for complex technical issues. Actively support L2and L3 teams by resolving high-severity incidents and conducting root cause analysis.
- Knowledge Transfer: Develop comprehensive technical documentation, runbooks, and Knowledge Base (KB) articles. Conduct regular training sessions to empower L2/L3 teams to resolve common messaging and SharePoint issues at the first point of contact.
- Operational Management: Oversee daily operations, coordinate shift rosters, manage routine patching schedules, and ensure clear task ownership and accountability among team members.
Messaging, Collaboration & Infrastructure Management
- Unified Platform Architecture: Architect, support, and optimize Microsoft Exchange (On-Premises, Online, and Hybrid), SharePoint Online, and Microsoft Teams for high-volume environments (e.g., 100,000+ users).
- Identity, Access & Governance: Manage Azure AD (Entra ID) synchronizations, conditional access policies, and enterprise role-based access control (RBAC). Implement strict governance policies and external sharing controls across all M365 collaboration tools.
- Advanced Routing & Security: Maintain robust mail transport rules, highly available SMTP routing, spam/malware filtering, and enterprise data loss prevention (DLP) policies.
- Content Management: Oversee complex SharePoint site migrations, modern intranet hub deployments, document library optimization, and integration with Microsoft security and compliance tools.
Technical Requirements
- Core Platforms: Subject matter expert in Microsoft 365, Exchange (SE /Online), SharePoint, SharePoint Online, and Microsoft Teams administration.
- Identity Management: Strong operational knowledge of Azure AD (Entra ID), Azure AD Connect, and enterprise directory services.
- Scripting Proficiency: Advanced capability in writing, reviewing, and optimizing custom PowerShell modules and utilizing the Microsoft Graph API for large-scale data processing.
- Scale: Proven track record of architecting, reviewing, and migrating systems in large, complex enterprise environments.
Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
- 10+ years of dedicated experience in enterprise messaging/collaboration engineering, with at least 2 years in a leadership, technical delivery.
- Demonstrated experience mentoring and structurally supporting L2/L3 operations.
- Relevant industry certifications (e.g., Microsoft 365 Certified: Enterprise Administrator Expert, ITIL v4, CCSP, or similar) are highly advantageous.
