Senior Identity & Messaging Engineer
Core
Design, implement, configure, maintain, and secure multi-domain/multi-forest Active Directory infrastructure and Exchange Server/Online hybrid environments for federal government customers.
Role type
Senior Identity & Messaging Engineer (IC)
Builds
Enterprise identity and messaging services across on-premises and Microsoft cloud platforms
Domain
Federal government IT / Identity & Access Management / Email Systems
Required skills
Active Directory administration, Exchange Server administration, Microsoft 365 administration, Microsoft Entra ID, PowerShell scripting, network troubleshooting, security hardening, disaster recovery planning, identity governance, compliance reporting
Preferred skills
Exchange hybrid deployments, Microsoft Defender/Purview/Sentinel, CyberArk/BeyondTrust PAM, Zero Trust architecture, GCC/DoD tenant experience, PIV/CAC authentication, cross-domain solutions, Azure networking, domain migrations
Technologies
Active Directory, Azure, Exchange Server, Exchange Online, Microsoft Entra ID, PowerShell, Hyper-V, VMware, Linux, TCP/IP, DNS, DHCP, NPS, Wireshark, Microsoft Graph, DISA STIGs, TIC 3.0 (via careerplan.io/jobs/g2ceaece-senior-identity-messaging-engineer-at-planet-technologies)
Responsibilities
Design and maintain multi-domain Active Directory infrastructure including trusts, FSMO roles, and disaster recovery; Administer Exchange Server and Exchange Online including hybrid deployments, migrations, and high availability; Implement and troubleshoot Microsoft Entra ID, hybrid authentication, and SSO/Conditional Access; Diagnose complex network and authentication issues using packet captures and log analysis; Ensure compliance with federal standards (NIST, FISMA, DISA STIGs) and support security hardening; Develop PowerShell automation for identity and messaging operations; Provide Tier III escalation support and on-call rotation for critical incidents.
