Top Tech Jobs & Startup Jobs in NYC, NY

The Mainframe Systems Programmer supports installation, testing, and implementation of z/OS systems software, and handles system maintenance and debugging, performance monitoring, incident resolution, and vendor communication.

Senior technical authority for IBM AIX and Power Systems architecture, engineering, migration, performance tuning, automation, and resiliency. Lead large-scale OS and hardware migrations, own lifecycle management, incident escalation/RCA, HA/DR design, and mentor L3 engineers while ensuring governance, compliance, and vendor coordination.

Manage small-to-medium multi-phased IT projects including scheduling, stakeholder communication, hardware/software installs and decommissions, and data migrations. Support senior PMs, track risks/issues, enforce PMO standards, and ensure timely project closeout and documentation.

The IAM Expert Solution Architect oversees IAM architecture for large-scale migrations to AWS and Azure, establishes IAM patterns, and guides IAM Engineers.

Own end-to-end contract renewals for enterprise managed-services accounts. Build renewal strategy, engage clients, negotiate terms and pricing, coordinate sales/legal/finance/solutions, forecast pipeline in Salesforce, mitigate churn risk, and surface expansion opportunities to drive retention and revenue growth.

The Expert Product Architect AI/ML will design technical foundations for Managed AI Services, ensuring scalable and secure integrations of AI capabilities and operational frameworks within Ensono's offerings.

Lead strategic IBM relationship and contract negotiations to drive revenue and profitability. Coordinate Sales, Procurement, Finance, and Operations; influence IBM offering strategy; engage clients and IBM executives; produce cross-functional analysis, enablement materials, and mentor stakeholders. Focus on mainframe and hybrid IBM technologies while representing Ensono in industry forums.

Lead installation, maintenance, tuning, and debugging of z/OS and supporting system software. Handle incidents, changes, and problem resolution; configure PARMLIB and JES2; use TSO/ISPF, SDSF, JCL and USS; communicate with vendors; participate in technical projects; mentor junior staff and coordinate cross-functional problem-solving.

The Director of Mainframe Systems Programming oversees delivery projects, manages teams for hardware and software lifecycle management, drives innovation, and builds stakeholder relationships.

The Senior Software Engineer at Ensono will design, develop, and maintain enterprise Java applications, handle technical analyses, manage middleware configurations, and implement DevOps practices.