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Mainframe Systems Engineer III

5 Locations💼 Full-time💰 $70,000–$140,000🗓 2026-07-15 → 2026-07-31

Core

Senior Mainframe Systems Engineer responsible for z/OS installation, customization, storage management, networking, performance tuning, and capacity planning in a Parallel Sysplex environment.

Role type

Senior IC Mainframe Systems Engineer

Builds

High availability, secure connectivity solutions and compatibility between mainframe systems

Domain

Banking / Mainframe Infrastructure (z/OS, z/VM)

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

z/OS installation and customization, storage management, hardware configuration, networking (TCP/IP, SNA/APPN), performance management, capacity planning, SMP/E, debugging and tuning, change control in regulated environments, encryption technologies and certificate management, zEnterprise server hardware knowledge, packet trace execution and analysis, z/OS Communication Server Policy Based Networking, z/VM SSL Server configuration, WLM, zPCA/SAS/MXG reporting, ISV installation and customization, Coupling Facility updates, ChangeMan Administration

Preferred skills

Mainview installation and customization, zOSMF product installation and deployment, banking industry business processes knowledge

Technologies

z/OS, z/VM, zSeries, SMP/E, WLM, zPCA, SAS/MXG, Intellimagic, zOSMF, Mainview, TCP/IP, SNA/APPN, IPsec, AT-TLS, SSL, ChangeMan, Coupling Facility

Responsibilities

Complete work on time in a complex environment, provide technical direction and education to programmers and analysts, provide 24x7 on-call support, facilitate deployment of tools/services, decompose issues into work units, provide problem determination and resolution for network connectivity and encryption issues, write and maintain system documentation, match current technology with company needs, manage associates if applicable

Seniority

Senior, hands-on IC with potential management responsibilities

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