About the Role
We're seeking an experienced Email Delivery Engineer with deep expertise in Mail Transfer Agent (MTA) systems and AWS cloud infrastructure. You'll be responsible for managing our enterprise-grade email delivery infrastructure, ensuring optimal deliverability, performance, and compliance for high-volume email campaigns.
KRA - MTA
- Design, deploy, and maintain high-performance MTA environments handling millions of emails daily
- Configure and optimize MTA instances for maximum throughput and reliability
- Implement multi-domain email delivery architecture supporting multiple customer accounts
- Set up and manage virtual MTAs for client isolation and branded delivery
- Configure bounce processing systems and feedback loop mechanisms
- Implement traffic shaping policies and rate limiting rules
- Manage IP pool configurations for reputation management and delivery optimization
- Set up comprehensive monitoring for delivery metrics and system health
- Analyze bounce patterns and implement corrective measures
- Troubleshoot delivery issues with ISPs and email providers
- Investigate and resolve performance bottlenecks
- Conduct root cause analysis for system incidents
- Maintain detailed documentation of configurations and procedures
Email Deliverability
- Configure and maintain SPF, DKIM, and DMARC records for multiple sending domains
- Monitor and maintain sender reputation scores across major ISPs
- Implement bounce classification, FBL and processing workflows
- Manage whitelisting requests and ISP relationship programs
AWS Cloud
- Deploy and manage MTA instances on AWS EC2 infrastructure
- Configure VPC, security groups, and network ACLs for email infrastructure
- Implement auto-scaling solutions for handling traffic spikes
- Set up CloudWatch monitoring and alerting for system health
- Manage Elastic IPs and IP warming schedules
- Configure S3 for log storage and backup solutions
- Implement disaster recovery and high-availability architectures
- Configure SMTP relay systems and routing rules
- Set up webhook integrations for bounce and delivery notifications
- Implement custom bounce processing handlers and parsers
- Configure queue management and retry logic
- Set up header rewriting and content filtering rules
- Integrate MTA with email marketing platforms and CRM systems
- Configure accounting and logging systems for compliance tracking
Technical Skills
- 3+ years of hands-on experience with MTA systems in production environments
- Strong understanding of SMTP protocol, RFC compliance, and email standards
- Extensive experience with AWS services (EC2, VPC, S3, CloudWatch, Route53)
- Proficiency in Linux system administration (Ubuntu/RHEL)
- Experience with email authentication protocols (SPF, DKIM, DMARC, ARC)
- Knowledge of DNS management and configuration
- Strong scripting skills (Bash, Python, or Perl)
- Understanding of MySQL/MariaDB for bounce processing and logging
Domain Expertise
- Deep knowledge of email deliverability best practices
- Understanding of ISP filtering mechanisms and spam policies
- Experience with IP warming and reputation management
- Familiarity with feedback loops and complaint handling
- Knowledge of CAN-SPAM, GDPR, and email compliance regulations
Soft Skills
- Excellent problem-solving and analytical abilities
- Strong communication skills for client interactions
- Ability to work independently and manage multiple priorities
- Detail-oriented with strong documentation habits
- Proactive approach to system monitoring and maintenance
Preferred Qualification
- Experience with email marketing platforms
- Knowledge of API integration and webhook implementations
- Familiarity with load balancing and high-availability configurations
- Experience with log analysis tools
- Understanding of email campaign management workflows
- Certifications in AWS (Solutions Architect or SysOps Administrator)
- Experience in AI would be added advantage
What you will work on
- Managing multi-tenant email infrastructure serving diverse client portfolios
- Implementing advanced bounce processing systems similar to major ESPs
- Optimizing delivery rates and inbox placement across global ISPs
- Building scalable solutions for growing email volume demands
- Collaborating with customer success teams to resolve delivery challenges
- Staying current with evolving email industry standards and best practices
Join US
- Work with cutting-edge email delivery infrastructure
- Opportunity to manage millions of emails daily
- Collaborative team environment
- Continuous learning and skill development
- Professional growth opportunities in email technology
