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).

• Architect, 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 , 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 Mobile Iron, Air Watch, and Microsoft Intune.
• Execute large‑scale projects independently and collaboratively within cross‑functional teams.
• Provide after‑hours support and support project deliverables as needed.

• Minimum of 6+ years of hands‑on experience with Microsoft Exchange and Active Directory.
• Advanced expertise in Exchange Online administration.
• Strong expertise in Microsoft Entra
• Configuring 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 Power Shell scripting.
• Hands‑on experience with MDM solutions such as Mobile Iron 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.

• Experience 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 .
• Familiarity with enterprise infrastructure components, including load balancers, VMware, compute, and storage systems.