CorSource ยท 1 day ago
Senior Messaging Engineer
United States
Contract
Remote
Senior Level, Lead/Staff
8+ years expCorSource is seeking a senior-level Systems Administrator to support enterprise Microsoft cloud and messaging platforms within a regulated, mission-critical IT environment. This role focuses on Microsoft 365, Exchange Online, hybrid Exchange systems, identity management, and secure collaboration services.
Cloud ComputingCyber SecurityData ManagementInformation Services
No H1B
Security Clearance RequiredU.S. Citizen OnlyHiring Manager
Fatima May Bautista
Responsibilities
Administer and support Exchange Online, M365, Teams, OneDrive, Entra ID, Defender, and Purview
Manage hybrid Exchange and on-prem messaging systems
Support identity, access management, and secure service integrations
Participate in incident response, ITSM workflows, and on-call rotations
Collaborate with cybersecurity, VoIP, network, and help desk teams
Support compliance efforts including eDiscovery and litigation holds
Maintain documentation, security controls, and operational standards
Qualification
Required
US citizenship and the ability to clear a government background screen
8+ years of IT experience with a relevant degree, or 10+ years without
Hands-on experience administering Microsoft cloud and messaging platforms
Strong troubleshooting skills in hybrid and cloud environments
Scripting experience (PowerShell preferred)
Experience supporting large, secure, or regulated environments
Preferred
Teams Phone / Direct Routing
Email security and SMTP filtering
PKI and certificate management
High-availability enterprise systems
Company
CorSource
CorSource provides cloud migration, application modernization, cybersecurity, data management, and analytics services.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase