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).

Responsibilities

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• Architect, deploy, and maintain global messaging infrastructure, including Exchange, Mobile Device Management (MDM), Active Directory, DHCP, DNS, and associated security systems.
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• Administer Microsoft Windows Active Directory and Microsoft Entra ID, including role-based access control (RBAC), monitoring, security management, backups, scripting, and disaster recovery.
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• Troubleshoot and resolve complex issues related to messaging systems and Active Directory.
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• Manage messaging security solutions, including third-party email gateways, antivirus, anti-spam systems, and TLS technologies.
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• Proactively monitor messaging environments and recommend enhancements to improve performance, reliability, and security.
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• Develop and maintain technical documentation; provide training and knowledge transfer to peers and IT engineering teams.
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• Create technical proposals and supporting documentation for business reviews and training initiatives.
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• Design, implement, and support mobile device management solutions, including platforms such as MobileIron, AirWatch, and Microsoft Intune.
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• Execute large-scale projects independently and collaboratively within cross-functional teams.
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• Provide after-hours support and support project deliverables as needed.
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Required Skills & Qualifications

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• Minimum of 6+ years of hands-on experience with Microsoft Exchange and Active Directory.
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• Advanced expertise in Exchange Online administration.
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• Strong expertise in Microsoft Entra ID administration
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• Configuring and enforcing Multi-Factor Authentication (MFA), especially for privileged accounts.
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• Securing and managing access to Microsoft Entra Graph API.
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• Strong troubleshooting expertise across Active Directory and Exchange environments.
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• Advanced working knowledge of DHCP, DNS, and PowerShell scripting.
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• Hands-on experience with MDM solutions such as MobileIron and Microsoft Intune.
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• Excellent communication skills, with the ability to effectively engage both technical and non-technical stakeholders.
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• High proficiency in Microsoft Office tools, including Visio.
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• Demonstrated adaptability and willingness to learn new technologies.
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• Availability for on-call or after-hours support as required.
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Preferred Qualifications

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• Experience supporting large, global enterprise environments (law firm experience highly preferred).
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• Bachelor’s degree in Information Technology, Engineering, or a related field.
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• Current Microsoft certifications in Exchange and Active Directory/Entra ID.
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• Familiarity with enterprise infrastructure components, including load balancers, VMware, compute, and storage systems.
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