Senior Email Infrastructure & Deliverability Engineer

Role Overview: As a Senior Email Infrastructure & Deliverability Engineer, you will play a crucial role in architecting, optimizing, and maintaining enterprise-grade email delivery systems. Your expertise in large-scale email infrastructure, deliverability best practices, and performance analytics will be utilized to ensure maximum inbox placement and compliance with industry standards. Key Responsibilities: - Deploy, configure, and optimize high-volume email servers (Postfix, PowerMTA, MailWizz, Postal, etc.) for scalability and reliability. - Implement multi-domain/IP configurations with structured warm-up plans to maintain strong sender reputation. - Ensure strict adherence to SPF, DKIM, DMARC, and rDNS standards to maximize inbox placement and mitigate spam filtering. - Develop custom analytics dashboards for real-time tracking of sending limits, throttling, and key performance indicators. - Fine-tune sending algorithms, pacing, and throttling to balance deliverability and throughput. - Implement best practices to monitor, reduce, and report bounce rates, spam complaints, and engagement metrics. - Proactively monitor IP/domain health, blacklist status, and industry compliance, executing remediation strategies as needed. - Deploy and manage high-performance email stacks on AWS, Contabo, DigitalOcean, and other cloud/VPS platforms. Qualification Required: - 5+ years of experience in enterprise email infrastructure (Postfix, PowerMTA, MailWizz, Postal, etc.). - Mastery of email authentication (SPF, DKIM, DMARC, rDNS) and deliverability optimization. - Proven ability to design IP warm-up strategies, volume controls, and throttling mechanisms. - Experience with real-time analytics, logging, and custom reporting dashboards.,