Description : About Us

Zelis is modernizing the healthcare financial experience in the United States (U.S.) across payers, providers, and healthcare consumers. We serve more than 750 payers, including the top five national health plans, regional health plans, TPAs and millions of healthcare providers and consumers across our platform of solutions. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts - driving real, measurable results for clients.

At Zelis, AI is woven into the fabric of how we work. Every associate is expected - and empowered - to partner with AI to challenge the status quo, accelerate innovation, and amplify their impact. This is a place for builders with a growth mindset who act with agility, embrace change, and use up-to-date technology to shape smarter solutions, exceptional experiences, and the future of our industry for our clients, customers, and our culture.

Why We Do What We Do

In the U.S., consumers, payers, and providers face significant challenges throughout the healthcare financial journey. Zelis helps streamline the process by offering solutions that improve transparency, efficiency, and communication among all parties involved. By addressing the obstacles that patients face in accessing care, navigating the intricacies of insurance claims, and the logístical challenges healthcare providers encounter with processing payments, Zelis aims to create a more seamless and effective healthcare financial system.

Zelis India plays a crucial role in this mission by supporting various initiatives that enhance the healthcare financial experience. The local team contributes to the development and implementation of innovative solutions, ensuring that technology and processes are optimized for efficiency and effectiveness.



Beyond operational expertise, Zelis India cultivates a collaborative work culture, leadership development, and global exposure, creating a energetic environment for professional growth. With hybrid work flexibility, comprehensive healthcare benefits, financial wellness programs, and cultural celebrations, we foster a holistic workplace experience. Additionally, the team plays a vital role in maintaining high standards of service delivery and contributes to Zelis’ award-winning culture.

Position Overview

Position Summary

Key Responsibilities

- Review and analyze Exchange message traces and mail-flow logs to determine message disposition and identify security or delivery issues.
- Support incident containment and remediation activities, including message removal, sender/domain blocking, URL blocking, mailbox remediation, and escalation of compromised accounts.
- Create and maintain operational procedures, troubleshooting guides, and knowledge-base documentation.
- Collaborate with SOC, Incident Response, Identity and Access Management, Infrastructure, and Messaging teams during security investigations.

Required Qualifications

- 3+ years of hands-on experience with Microsoft Exchange, Exchange Online, or Microsoft 365 messaging environments.
- Working knowledge of Microsoft Exchange mail flow, connectors, transport/mail-flow rules, message tracking, and message tracing.




- Understanding common attacker techniques involving credential phishing, malicious attachments, malicious URLs, impersonation, and account compromise.
- Strong analytical, troubleshooting, documentation, and communication skills.
- Ability to independently investigate moderately complex incidents and appropriately escalate high-risk or advanced threats.

Preferred Qualifications

- Experience with Microsoft Defender for Office 365, including Protected Links, Safe Attachments, Threat Explorer, automated investigation and response, and related capabilities.
- Experience using Microsoft Purview, Microsoft Sentinel, or the Microsoft Defender security ecosystem.
- Experience with PowerShell for Exchange Online administration, investigation, or automation.
- Familiarity with Entra ID/Azure AD authentication, Conditional Access, MFA, and identity-related investigations.
- Experience investigating compromised Microsoft 365 accounts and malicious inbox or forwarding rules.
- Familiarity with threat intelligence concepts, indicators of compromise (IOCs), and attacker tactics, techniques, and procedures (TTPs).
- Relevant certifications such as Microsoft Security certifications, Security+, CySA+, GIAC, or equivalent industry certifications.

Level II Expectations

The engineer will also contribute to improving operational processes, detection capabilities, documentation, and automation while providing technical guidance to Junior Associates.

Core Competencies

- Microsoft Exchange / Exchange Online
- Microsoft 365 Security
- Microsoft Defender for Office 365
- SPF, DKIM & DMARC
- Security Operations
- Troubleshooting & Root Cause Analysis
- PowerShell / Security Automation
- Technical Documentation
- Cross-functional Collaboration **-

📌 Security Engineer - Email Security (Telangana)
🏢 Zelis
📍 Telangana