Experteer Overview
In this role you will own and evolve the enterprise mail environment for an international workforce.

You will operate and optimize Microsoft 365 and Exchange Online services, while strengthening security and reliability across the messaging platform.

You’ll work closely with security, product, and operations teams to drive secure, scalable email capabilities and secure gateways.

You will shape the future of enterprise messaging at SD Worx and contribute to cross-functional initiatives with a security-first mindset.

Compensaciones / Beneficios
• Manage, maintain and improve the enterprise mail infrastructure for an international workforce
• Operate and optimize Microsoft 365 and Exchange Online mail services including mail flow, connectors, and transport rules
• Strengthen security posture using SPF, DKIM, DMARC, TLS, secure SMTP and other email authentication technologies
• Manage and improve email security solutions (anti-spam, anti-phishing, malware protection, secure email gateways)
• Support and optimize bulk communication and mass mailing platforms ensuring deliverability and sender reputation
• Provide third-line support for complex mail delivery, routing, authentication, and security issues
• Contribute to simplification, standardization and documentation of the mail landscape
• Collaborate with Product Owners, security, infrastructure, vendors, and support teams to improve platform reliability and security
• Support projects, upgrades, migrations and service improvement initiatives
• Act as a point of contact for integrations between mail platforms and other enterprise services




• Participate in the future roadmap and evolution of enterprise messaging services
• Create and maintain technical documentation, procedures, standards and operational handover materials

Responsabilidades
• Minimum 5 years of experience with enterprise messaging platforms and mail infrastructure
• Strong hands-on experience with Microsoft 365 and Exchange Online administration
• Solid understanding of mail flow, connectors, transport rules, and hybrid messaging environments
• Proven experience troubleshooting complex mail delivery, routing, and authentication issues
• Hands-on expertise with SPF, DKIM, DMARC, TLS, and secure SMTP
• Experience with secure email gateways and anti-spam/anti-phishing/malware protection
• Knowledge of mass mailing platforms, sender reputation management, and deliverability best practices
• Experience providing third-line support and working within incident, problem and change management processes
• Strong analytical and troubleshooting skills with a proactive, solution-oriented mindset
• Excellent English communication, ability to explain technical concepts to diverse stakeholders
• Experience in Agile and international environments
• Ability to work independently and manage multiple priorities

Requisitos principales
• Comprehensive training and development programs
• Versátil working schedule
• Private medical insurance 100% covered by SD Worx
• 25 vacation days
• 18 hours for personal matters
• Reduced summer hours: 36 hours/week for 4 weeks (July/August) to choose from? (as stated)

📌 Senior Mail Engineer (España)
🏢 Sd Worx
📍 España