System Engineer - Messaging

Innovative Driven is currently seeking a Messaging Systems Engineer to become an integral member of a top ranked litigation team at one of our prestigious NYC global law firm clients!Ideal candidates will demonstrate a history of collaboration with partners, senior attorneys, clients, across the complexities of high-stakes litigation.The role will require the ability to provide after-hours support, and the firm operates in a hybrid structure (3 days onsite in NYC and 2 days remote).ResponsibilitiesArchitect, deploy, and maintain global messaging infrastructure, including Exchange, Mobile Device Management (MDM), Active Directory, DHCP, DNS, and associated security systems.Administer Microsoft Windows Active Directory and Microsoft Entra ID, including role-based access control (RBAC), monitoring, security management, backups, scripting, and disaster recovery.Troubleshoot and resolve complex issues related to messaging systems and Active Directory.Manage messaging security solutions, including third-party email gateways, antivirus, anti-spam systems, and TLS technologies.Proactively monitor messaging environments and recommend enhancements to improve performance, reliability, and security.Develop and maintain technical documentation; provide training and knowledge transfer to peers and IT engineering teams.Create technical proposals and supporting documentation for business reviews and training initiatives.Design, implement, and support mobile device management solutions, including platforms such as MobileIron, AirWatch, and Microsoft Intune.Execute large-scale projects independently and collaboratively within cross-functional teams.Provide after-hours support and support project deliverables as needed.Required Skills & QualificationsMinimum of 6+ years of hands-on experience with Microsoft Exchange and Active Directory.Advanced expertise in Exchange Online administration.Strong expertise in Microsoft Entra ID administrationConfiguring and enforcing Multi-Factor Authentication (MFA), especially for privileged accounts.Securing and managing access to Microsoft Entra Graph API.Strong troubleshooting expertise across Active Directory and Exchange environments.Advanced working knowledge of DHCP, DNS, and PowerShell scripting.Hands-on experience with MDM solutions such as MobileIron and Microsoft Intune.Excellent communication skills, with the ability to effectively engage both technical and non-technical stakeholders.High proficiency in Microsoft Office tools, including Visio.Demonstrated adaptability and willingness to learn new technologies.Availability for on-call or after-hours support as required.Preferred QualificationsExperience supporting large, global enterprise environments (law firm experience highly preferred).Bachelor’s degree in Information Technology, Engineering, or a related field.Current Microsoft certifications in Exchange and Active Directory/Entra ID.Familiarity with enterprise infrastructure components, including load balancers, VMware, compute, and storage systems.