About Us:

Zelis is modernizing the healthcare financial experience in the United States across payers, providers, and healthcare consumers.

Position Overview:

Zelis is seeking a Security Engineer - Email Security to support and enhance the security, reliability, and protection of our enterprise email environment.

Key Responsibilities:

- Perform detailed analysis of suspicious messages, including email headers, message routing, URLs, attachments, sender reputation, authentication results, and other indicators of compromise.

- Administer and support email security controls within Exchange Online, Defender for O365, EasyDMARC, and Abnormal environments.

- Troubleshoot email delivery, mail-flow, quarantine, filtering, and security-policy issues.

- Configure and maintain mail-flow rules, anti-spam policies, anti-phishing protections, allow/block lists, quarantine policies, and related email security controls.

- Support incident containment and remediation activities, including message removal, sender/domain blocking, URL blocking, mailbox remediation, and escalation of compromised accounts.

- Analyze and troubleshoot email authentication technologies including SPF, DKIM, and DMARC.

Tech Stack:

- Microsoft Exchange, Exchange Online, Microsoft 365, Microsoft Defender for Office 365, EasyDMARC, Abnormal Security, PowerShell.

Required Qualifications:

- 5+ years of proven experience designing and implementing enterprise-grade email security guardrails in regulated fintech or healthcare environments.

- 3+ years of hands-on experience with Microsoft Exchange, Exchange Online, or Microsoft 365 messaging environments.

- Strong understanding of email protocols and technologies, including SMTP, DNS, SPF, DKIM, and DMARC.

- Experience investigating phishing, spam, malware, spoofing, and business email compromise incidents.

Commitment to Diversity :

At Zelis, we champion diversity, equity, inclusion, and belonging in all aspects of our operations.