> Markdown version of [/jobs/ext/3000021-senior-mainframe-engineer](https://www.wearedevelopers.com/jobs/ext/3000021-senior-mainframe-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mainframe Engineer - **Company:** Stellent IT LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $141,400.0 - $171,100.0 - **Contract:** Temporary to permanent - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Continuous Integration, DevOps, Middleware, Failover, IBM Parallel Sysplex, Job Control Language (JCL), Rexx (Programming Language), Interactive System Productivity Facility (ISPF), Mainframes, Performance Tuning, Ansible, Standard Sql, SQL Databases, Systems Integration, Z/OS, Scripting, DevOps Tools - Open-source, Apache Spark, Mttr, Git, Bug Reporting, Virtual Agents, ArcSight Event Correlation, Restful APIs, Software Version Control, Jenkins, Servicenow - **Published:** September 19, 2026 - **Apply:** https://www.careerjet.com/jobad/usc2ecdb69c53f474ccfdf2bfc5da97fde ## About the Role Qualifications * Extensive experience leading mainframe automation in large, multi-site enterprises * Expert REXX and deep z/OS knowledge with a track record of robust automation delivery * Demonstrated success implementing resilience/DR automation (GDPS, Safeguarded Copy) * Proficiency with DevOps tooling (Jenkins incl. Zowe plug-in, Ansible) and REST API integrations * ServiceNow ITSM automation; familiarity with AIOps/event correlation platforms * Strong SQL, JCL, ISPF/TSO; ability to mentor across these domains * Proven change management discipline (Git, peer reviews) and excellence in documentation/runbooks * Exceptional communication skills for complex topics, training, and stakeholder engagement * Experience owning KPIs, quarterly improvement cycles, and executive-level reporting ## Description ***Note: candidates will be going through our internal AI Interview Tech Screening prior to client submission Impact * Own the mainframe automation strategy and roadmap to improve reliability, detection, and recovery. * Scale automated solutions across infrastructure domains (batch, storage, networking, middleware) using APIs, orchestration, and infrastructure-as-code. * Architect and govern multi-site failover automation; maintain and test DR playbooks and runbooks. * Define and operationalize SLOs/SLIs, error budgets, and alerting standards; reduce MTTA/MTTR through event correlation and automated remediation. * Instill disciplined engineering: peer reviews, version control, change management gates, and automation standards aligned to risk/compliance. * Build and lead a high-performing team; develop talent in REXX, z/OS automation, DevOps, and integration. * Partner across platforms, applications, cyber, risk, and compliance to prioritize automation investments that reduce toil and operational risk. * Own KPIs and continuous improvement cycles; communicate performance, risks, and outcomes to senior stakeholders., Technical leadership and hands-on guidance in: * Mainframe automation frameworks and system state management * Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration * DevOps tooling (e.g., Jenkins including Zowe plug-in, Ansible) and CI/CD for mainframe workloads * ServiceNow ITSM workflows and automation * AIOps/event-management platforms (e.g., Moogsoft or equivalent) * SQL, JCL, ISPF/TSO and related toolchains Governance, risk, and controls: * Strong change control discipline (Git, peer reviews, deployment safeguards) * High-quality documentation: runbooks, process/architecture standards * Alignment with audit and compliance requirements Stakeholder and vendor management: * Partner with infrastructure leaders and vendors; drive outcomes via SLAs and measurable KPIs * Translate functional requirements into automation workflows; steward solution documentation and training Operations ownership: * Troubleshoot and drive root-cause fixes; prepare detailed problem reports * Resilience/DR: hands-on experience with GDPS and Safeguarded Copy * Collaborate on performance tuning, capacity planning, and cost efficiency Leadership Expectations * Lead engineers/SREs with clear objectives, coaching, and succession planning; foster documentation and knowledge sharing. * Shape automation standards across TSG; align priorities to business outcomes and risk posture. * Present strategy, results, and risks to senior technology leadership; influence cross-platform adoption. * Practice financial stewardship for tooling, licensing, and infrastructure; identify savings via automation and improved change success rates. * Model BNY's Principles: Be Client Obsessed, Spark Progress, Own It, Stay Curious, Thrive Together., Are you ready to be part of something big? 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