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Mid LevelFull-timePython
Salary Range
$18,700 - $25,300 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are seeking a highly skilled Infrastructure & Security Architect to lead the technical design and security strategy for our SMTP/email modernization initiative. This role combines deep expertise in messaging infrastructure with advanced security capabilities to ensure a resilient, compliant, and secure mail flow across hybrid environments.
Key Responsibilities
- →Design and optimize SMTP relay architecture for high availability and fault tolerance.
- →Define network topology for secure mail routing through DMZ, firewalls, and load balancers.
- →Integrate Exchange Online and hybrid deployments with secure email gateways (Proofpoint or equivalent).
- →Implement TLS/SSL encryption for all SMTP traffic.
- →Configure SPF, DKIM, and DMARC for domain protection.
- →Embed advanced threat protection and phishing defense mechanisms.
- →Conduct risk assessments for SMTP modernization changes.
- →Develop mitigation strategies for vulnerabilities in mail routing and authentication.
- →Partner with Solution Architect, Network Security, and Cloud teams to align infrastructure and security with modernization goals.
- →Provide technical guidance to engineering teams during implementation.
Requirements
- ✓Deep knowledge of SMTP protocol and RFC standards.
- ✓Expertise in Exchange Online and on-premises messaging systems.
- ✓Strong understanding of DNS/MX records, SPF/DKIM/DMARC configuration.
- ✓Experience with secure email gateways (Proofpoint, Cisco ESA, etc.).
- ✓Network security fundamentals (firewalls, DMZ, TLS).
- ✓High availability and disaster recovery design for messaging systems.
- ✓Familiarity with compliance frameworks (SOx, GDPR, ISO 27001).
- ✓Scripting and automation (Python preferred).
- ✓Preferred Certifications: Microsoft Certified: Messaging Administrator Associate, Microsoft Certified: Solutions Architect Expert, TOGAF 9 or ArchiMate, ITIL Foundation or Intermediate, Proofpoint Certified Specialist
- ✓Personal traits and Leadership Capabilities
- ✓Analytical & Detail-Oriented.
- ✓Risk aware and Strategic
- ✓Influential Communicator.
- ✓Collaborative Leader
