Senior Staff Engineer - Enterprise Messaging and Exchange

Responsibilities

• Plan and execute server upgrades and monthly patching; ensure configurations and changes meet compliance and audit requirements.
• Monitor health, performance, and capacity; analyze logs/traces and protocol flows to prevent incidents, minimize downtime, and optimize throughput and user experience. Provide expert-level diagnosis and resolution for complex mail flow issues; deep knowledge of SMTP/IMAP, connectors, transport rules, and messaging…
• Implement encryption, email authentication (SPF/DKIM/DMARC), and anti-virus/anti-spam protections (e.g., Microsoft Defender); maintain secure configurations and hardening baselines.
• Lead/assist initiatives such as migrations, tenant consolidations, and M&A; define requirements and integration points with enterprise messaging and exchange apps and services.
• Partner on the management and operations of large-scale enterprise SaaS collaboration platforms (e.g., Slack, Microsoft 365, SharePoint, Google Workspace), including onboarding, provisioning, policy governance, and lifecycle management.
• Build strategy to keep enhancing the messaging and collaboration ecosystems with evolving technologies, including AI-driven automation of operations and administration.

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