Senior Mainframe Engineer

Stellent IT LLC; New York (NY); Hybrid; USD 131,000 - 220,000; Full time

Job summary

Stellent IT LLC is seeking a Senior Mainframe Engineer (Systems Programmer with Automation) for a 6-12+ month contract in the New York City area. Hybrid work arrangement is available, with relocation support.

The role emphasizes leading automation initiatives, DR readiness, and cross-site resilience across IBM z/OS environments. Ideal candidates have 8-10+ years of experience, strong REXX and z/OS skills, and hands-on DevOps with Jenkins, Zowe, and Ansible.

Qualifications

• Extensive experience leading mainframe automation in large, multi-site enterprises.
• Expert REXX and deep z/OS knowledge with robust automation delivery.
• Proficiency with DevOps tooling (Jenkins incl. Zowe plug-in, Ansible) and REST API integrations.
• Experience with GDPS and Safeguarded Copy for resilience and DR automation.

Responsibilities

• Own mainframe automation frameworks and system state management.
• Design/support automated failover in multi-site environments.
• Develop and govern RESTful API integrations for orchestration.
• Lead DevOps tooling and CI/CD for mainframe workloads.
• Manage ServiceNow ITSM automation and AIOps event correlation.
• Mentor teams in SQL, JCL, ISPF/TSO, and related toolchains.

Skills

Mainframe automation

REXX scripting

z/OS

DevOps tooling

REST APIs

SQL

JCL

ISPF/TSO

ServiceNow ITSM

AIOps

Jenkins

Zowe

Ansible

GDPS

Safeguarded Copy

Tools

Jenkins (Zowe plug-in)

Ansible

REST API integrations

Job description

Hello

Role: Senior Mainframe Engineer (Systems Programmer with Automation)

Location: New York City, NY or Jersey City, NJ (Hybrid 3x/week onsite, ok for relocating candidates)

Duration: 6-12+ months contract

Years Experience: 8-10+ years

*Note: candidates will be going through our internal AI Interview Tech Screening prior to client submission*

Impact

1. Own the mainframe automation strategy and roadmap to improve reliability, detection, and recovery.
2. Scale automated solutions across infrastructure domains (batch, storage, networking, middleware) using APIs, orchestration, and infrastructure-as-code.
3. Architect and govern multi-site failover automation; maintain and test DR playbooks and runbooks.
4. Define and operationalize SLOs/SLIs, error budgets, and alerting standards; reduce MTTA/MTTR through event correlation and automated remediation.
5. Instill disciplined engineering: peer reviews, version control, change management gates, and automation standards aligned to risk/compliance.
6. Build and lead a high-performing team; develop talent in REXX, z/OS automation, DevOps, and integration.
7. Partner across platforms, applications, cyber, risk, and compliance to prioritize automation investments that reduce toil and operational risk.
8. Own KPIs and continuous improvement cycles; communicate performance, risks, and outcomes to senior stakeholders.

Responsibilities

Technical leadership and hands-on guidance in:

1. Mainframe automation frameworks and system state management
2. Expert-level REXX scripting; deep z/OS operating environment expertise
3. Designing/supporting automated failover in multi-site environments
4. RESTful APIs and systems integration for orchestration
5. DevOps tooling (e.g., Jenkins including Zowe plug-in, Ansible) and CI/CD for mainframe workloads
6. ServiceNow ITSM workflows and automation
7. AIOps/event-management platforms (e.g., Moogsoft or equivalent)
8. SQL, JCL, ISPF/TSO and related toolchains

Governance, risk, and controls:

1. Strong change control discipline (Git, peer reviews, deployment safeguards)
2. High-quality documentation: runbooks, process/architecture standards
3. Alignment with audit and compliance requirements

Stakeholder and vendor management:

1. Partner with infrastructure leaders and vendors; drive outcomes via SLAs and measurable KPIs
2. Translate functional requirements into automation workflows; steward solution documentation and training

Operations ownership:

1. Troubleshoot and drive root-cause fixes; prepare detailed problem reports
2. Resilience/DR: hands-on experience with GDPS and Safeguarded Copy
3. Collaborate on performance tuning, capacity planning, and cost efficiency

Leadership Expectations

1. Lead engineers/SREs with clear objectives, coaching, and succession planning; foster documentation and knowledge sharing.
2. Shape automation standards across TSG; align priorities to business outcomes and risk posture.
3. Present strategy, results, and risks to senior technology leadership; influence cross-platform adoption.
4. Practice financial stewardship for tooling, licensing, and infrastructure; identify savings via automation and improved change success rates.
5. Model BNY's Principles: Be Client Obsessed, Spark Progress, Own It, Stay Curious, Thrive Together.

Qualifications

1. Extensive experience leading mainframe automation in large, multi-site enterprises

1. Expert REXX and deep z/OS knowledge with a track record of robust automation delivery
2. Demonstrated success implementing resilience/DR automation (GDPS, Safeguarded Copy)

1. Proficiency with DevOps tooling (Jenkins incl. Zowe plug-in, Ansible) and REST API integrations
2. ServiceNow ITSM automation; familiarity with AIOps/event correlation platforms
3. Strong SQL, JCL, ISPF/TSO; ability to mentor across these domains
4. Proven change management discipline (Git, peer reviews) and excellence in documentation/runbooks
5. Exceptional communication skills for complex topics, training, and stakeholder engagement
6. Experience owning KPIs, quarterly improvement cycles, and executive-level reporting