Senior Messaging & Collaboration Engineer — Remote
Cognizant Technology Solutions Corporation
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Job summary
Cognizant Technology Solutions Corporation is seeking a remote, enterprise-grade Messaging & Collaboration L3 Engineer to own advanced support, administration, governance, and escalation for Exchange Online, on-prem/hybrid Exchange, Proofpoint, Clearswift, and Enterprise Vault. You will lead complex mail flow issues, migrations, and security operations across global Microsoft 365 environments.
Ideal candidates have 5–8+ years in enterprise messaging, strong Exchange expertise, and experience
Qualifications
- 5-8+ years supporting enterprise Messaging environments.
- Strong Exchange Online and Hybrid Exchange experience.
- Experience with Proofpoint, Clearswift, or similar email security platforms.
- Experience with Enterprise Vault administration.
- Experience handling mailbox migrations and L3 escalations.
- Experience supporting global Microsoft 365 environments.
Responsibilities
- Act as the L3 escalation point for Messaging & Collaboration incidents.
- Administer Exchange Online, Exchange On-Prem, Proofpoint, Clearswift, Enterprise Vault, Biscom, and BitTitan.
- Troubleshoot complex mail flow, routing, connector, gateway, and hybrid Exchange issues.
- Support onboarding/offboarding, mailbox provisioning, permissions, and shared mailbox administration.
- Manage email security, anti-spam, anti-phishing, and secure mail gateway operations.
- Support mailbox migrations, tenant-to-tenant transitions, and messaging modernization projects.
- Support retention, legal hold, archive restore, journaling, and compliance activities.
- Maintain runbooks, SOPs/SOWs, knowledge articles, and transition documentation.
- Provide KT, reverse KT, and mentoring support for L1/L2 teams.
Skills
Tools
Job description
Cognizant Technology Solutions Corporation is seeking a remote, enterprise-grade Messaging & Collaboration L3 Engineer to own advanced support, administration, governance, and escalation for Exchange Online, on-prem/hybrid Exchange, Proofpoint, Clearswift, and Enterprise Vault. You will lead complex mail flow issues, migrations, and security operations across global Microsoft 365 environments.
Ideal candidates have 5–8+ years in enterprise messaging, strong Exchange expertise, and experience
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