Email Infrastructure & SMTP Server Specialist - System Engineer

As an Infrastructure & SMTP Server Specialist at our company, your role will involve setting up, managing, and securing a high-volume email delivery infrastructure from scratch. You will be responsible for configuring SMTP servers, IP pools with rotation, domain authentication, DNS management, and remote-access configuration. Your expertise in email server technologies, network architecture, and cybersecurity best practices will be essential for this role. Key Responsibilities: - Plan, deploy, and manage a robust, high-volume SMTP infrastructure on bare-metal servers. - Configure IP pools, perform IP warming, and implement dynamic IP rotation strategies for optimal deliverability. - Set up and manage domain authentication processes (SPF, DKIM, DMARC). - Ensure DNS propagation, domain latching, and seamless customer domain integrations. - Configure and manage load balancers (HAProxy/Nginx). - Implement and manage queue systems (Redis/RabbitMQ/Kafka) for email throughput. - Collaborate closely with developers to integrate backend logic and database systems. - Implement security best practices, ensuring infrastructure security, data protection, and regulatory compliance (GDPR/CCPA). - Set up comprehensive monitoring, alerting, and logging systems (Prometheus, Grafana, ELK stack). - Configure remote access (VPN, SSH) securely, allowing remote administration from international locations (e.g., UAE). - Document configurations, architectures, and operational procedures clearly and thoroughly. Qualifications & Experience: - 5+ years experience in managing SMTP servers, email deliverability, IP rotation, and DNS management. - Strong hands-on experience with Postfix, Exim, PowerMTA, or similar SMTP software. - Proven experience managing load balancers (HAProxy/Nginx). - Proficiency with DNS configuration and management, including SPF, DKIM, DMARC. - Demonstrable experience with security implementations (firewalls, SSL/TLS, VPNs). - Experience with queue management solutions (Redis/RabbitMQ/Kafka). - Solid knowledge of Linux systems administration. - Familiarity with monitoring and logging tools (ELK, Prometheus, Grafana). - Excellent problem-solving and troubleshooting skills. - Strong communication and documentation skills. Preferred: - Previous experience working with email marketing platforms or high-volume email-sending services. - Understanding of backend programming languages and databases (Node.js, Python, Java, Go, PostgreSQL/MySQL). Availability: Immediate availability is preferred. Work Mode: On-site (Navi Mumbai) for initial setup and occasional maintenance, otherwise capable of remote support and administration. Compensation: Competitive remuneration, based on skills and experience. As an Infrastructure & SMTP Server Specialist at our company, your role will involve setting up, managing, and securing a high-volume email delivery infrastructure from scratch. You will be responsible for configuring SMTP servers, IP pools with rotation, domain authentication, DNS management, and remote-access configuration. Your expertise in email server technologies, network architecture, and cybersecurity best practices will be essential for this role. Key Responsibilities: - Plan, deploy, and manage a robust, high-volume SMTP infrastructure on bare-metal servers. - Configure IP pools, perform IP warming, and implement dynamic IP rotation strategies for optimal deliverability. - Set up and manage domain authentication processes (SPF, DKIM, DMARC). - Ensure DNS propagation, domain latching, and seamless customer domain integrations. - Configure and manage load balancers (HAProxy/Nginx). - Implement and manage queue systems (Redis/RabbitMQ/Kafka) for email throughput. - Collaborate closely with developers to integrate backend logic and database systems. - Implement security best practices, ensuring infrastructure security, data protection, and regulatory compliance (GDPR/CCPA). - Set up comprehensive monitoring, alerting, and logging systems (Prometheus, Grafana, ELK stack). - Configure remote access (VPN, SSH) securely, allowing remote administration from international locations (e.g., UAE). - Document configurations, architectures, and operational procedures clearly and thoroughly. Qualifications & Experience: - 5+ years experience in managing SMTP servers, email deliverability, IP rotation, and DNS management. - Strong hands-on experience with Postfix, Exim, PowerMTA, or similar SMTP software. - Proven experience managing load balancers (HAProxy/Nginx). - Proficiency with DNS configuration and management, including SPF, DKIM, DMARC. - Demonstrable experience with security implementations (firewalls, SSL/TLS, VPNs). - Experience with queue management solutions (Redis/RabbitMQ/Kafka). - Solid knowledge of Linux systems administration. - Familiarity with monitoring and logging tools (ELK, Prometheus, Grafana). - Excellent problem-solving and troubleshooting skills. - Strong communication and documentation skills. Pr