Senior CRM Tech Manager

⭐️ CoreStar is a dynamic technology company supporting partners in heavy-load industries with high-performance solutions. Our expert teams bring a startup-driven mindset, focusing on innovation, collaboration, and efficiency in every project. At CoreStar, you’ll have the opportunity to grow your skills, tackle exciting challenges, and directly contribute to impactful products.

📌 Key Responsibilities:

- Own the end-to-end lifecycle of sending domains and IPs, including procurement, configuration, authentication, monitoring, warm-up, and optimisation.

- Monitor and improve sender, domain, and IP reputation and overall email deliverability.

- Design and maintain scalable, high-volume email infrastructure, including SMTP/ESP architecture and domain/IP rotation.

- Manage email authentication and alignment across SPF, DKIM, DMARC, and DNS .

- Monitor deliverability metrics, analyse logs, troubleshoot ISP/ESP issues, and lead incident resolution.

- Maintain the health of CRM infrastructure to ensure reliable delivery of customer communications.

- Work with CRM platforms, APIs, email/SMS services, and other IT systems supporting customer communication.

- Use SQL and data analysis to investigate issues, identify trends, and optimise infrastructure performance.

- Work closely with technical teams on requirements, technical specifications, architecture, scalability, integrations, and automation.

- Continuously optimise email infrastructure for reliability, scalability, and deliverability.

📌 Requirements:

- 2+ years of professional experience in email infrastructure and deliverability.

- Strong hands-on experience with high-volume email systems and complex sending architectures .

- Strong technical knowledge of SMTP, DNS, SPF, DKIM, DMARC, and email authentication .

- Experience with IP/domain reputation management, domain warm-up, and deliverability monitoring .

- Experience troubleshooting ISP/ESP delivery issues, SMTP errors, logs, and infrastructure incidents .

- Strong SQL, API, and CRM automation skills.

- Experience with CRM systems and infrastructure supporting customer communications .

- Good knowledge of HTML email layout and template coding .

- Strong analytical, troubleshooting, and ownership skills.

📌 Nice to have:

- Experience launching and operating a custom SMTP server .

- Experience with cold email campaigns and high-volume outbound sending.

- Experience with CRM platforms such as Fast Track, Customer.io, Optimove , or similar.

- Familiarity with email deliverability and warm-up services such as Warmy .

- Experience with communication platforms such as Twilio and similar SMS services.

- Experience with event-driven CRM architecture, automation architecture, and API integrations .

- Experience working with advanced DMARC analytics and deliverability monitoring tools .

📌 Benefits:
🏝 24 working days of paid annual leave 
🤝 6 days of paid sick leave  
🖊 Official employment
📄 Medical insurance
☕️ Coffee zone with fruit & snacks available in the office 
🥗 Corporate Lunch provided by the company
💪 Gym and sports classes 
🙌 Healthy and friendly work atmosphere  
📚 Greek and English language classes (partially covered)

Join us and be one of the Core Stars! ⭐