Messaging Services Senior Specialist

Role and Responsibilities:
. Malware & Phishing Defense: Manage Cisco Talos threat intelligence feeds to block spam, viruses, and malicious attachments. Utilize Advanced Malware Protection (AMP) for file reputation and sandboxing.
. Connection & Reputation Filtering: Adjust IP, domain, and sender reputation parameters to drop malicious connection attempts.. Outbreak Filters: Configure real-time outbreak rules to protect against new, zero-day threat campaigns
. Content Filtering: Create custom message filters to block specific file types, strip harmful scripts, or enforce company-wide disclaimers
. Data Loss Prevention (DLP): Set up policies to scan outbound traffic and prevent the leakage of sensitive data (e.g., PII, financial information)
. Domain Security: Enforce Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-based Message Authentication, Reporting, and Conformance (DMARC) to prevent domain spoofing
. Message Tracking & Analytics: Track message dispositions, investigate delivery failures, and generate executive reports on threat trends using centralized management dashboards
. Quarantine Management: Review, release, or delete quarantined emails, and address false positives to prevent business disruption
. Monitor Sender Ecosystem: Regularly review Valimail Monitor or Enforce reports to identify and track all third-party services sending emails on your domain's behalf
. Monitoring & Visibility: Review the Valimail Monitor dashboard to identify unapproved third-party services and unauthorized IP addresses
. Monitor system performance, conduct root cause analysis, and implement corrective actions for email security incidents.
. Manage configuration, upgrades, and patching for Cisco Secure Email and Valimail environments.
. Collaborate with IT security, compliance, and infrastructure teams to maintain optimal email security posture.
. Develop and update technical documentation, standard operating procedures, and knowledge base articles.
. Participate in security audits, support incident response activities, and assist with email threat investigations.
. Plan and Coordinate with the vendor for regular health checks and implement vendor recommendations
. Provides deep subject matter expertise, advice and program delivery.
. Support 24x7 steady state operations-Flexible working in US business hours for all required work done and during weekends.
. Performs root cause analysis on failed components and implements corrective measures.
. Candidates must have exceptional customer service, problem solving, and communication skills
. Possess the ability to work independently with minimal management supervision and with a global team of engineers

Technical Skillset:
. Bachelor's degree in computer science, Information Technology, or related field.. 5+ years of experience in Proofpoint Email security Solution.
. Strong hands-on experience with Cisco Secure Email (formerly Cisco Email Security Appliance/ESA) and Valimail.
. Proficiency in email protocols (SMTP, IMAP, POP3) and email authentication standards (SPF, DKIM, DMARC).
. Solid understanding of networking, firewalls, and security best practices.
. Excellent analytical, troubleshooting, and communication skills