Cybersecurity Ops Technologist I (Email Security)
Core
Administer, configure, and optimize enterprise email security infrastructure (Proofpoint) to protect a hybrid M365/on-premises Exchange environment from phishing, BEC, and malware.
Role type
Senior IC email security operations engineer
Builds
Secure email gateways, authentication policies, and automated response playbooks for 50,000+ mailboxes
Domain
Cybersecurity / Email Security
Required skills
Proofpoint administration, DKIM/SPF/DMARC strategy, mail flow troubleshooting, threat intelligence analysis, quarantine management, M365 Defender integration
Preferred skills
Experience with Mimecast, Cisco Secure Email, or Abnormal Security, SOC incident handling methodologies
Technologies
Proofpoint, Microsoft 365, Exchange, M365 Defender for Office 365
Responsibilities
Administer Proofpoint deployment (TAP, TRAP, DLP, Isolation), design gateway rulesets and mail flow policies, manage DKIM/SPF/DMARC records, analyze threat telemetry to tune detection rules, partner with SOC on automated response playbooks, troubleshoot mail relay and authentication failures
Seniority
Mid-level, hands-on IC