Support day-to-day service delivery, operational stability, and risk management for the IBM Z (z/OS) platform.
Work closely with infrastructure teams, applications teams, and Information Security teams.
Ensure resilient batch and online processing, strong access controls, and audit-ready operational documentation.
Manage service integration and governance activities such as SLA management, escalation, change coordination, and service review.
Focus on monitoring, incident/problem/change coordination, operational environment execution and improvement.
Serve as the TISO for mainframe infrastructure NARs, ensuring their lifecycle, compliance, and audit readiness.
Lead the governance of HPE Tandem NonStop Guardian environment with associated online, database environments, critical applications.
Provide L3 operational support for IBM z/OS production environments, including monitoring, event triage, and service restoration within agreed SLAs.
Coordinate all the Audits as point of contact for EY, GA ensuring all internal controls meet the audit findings, SOX requirements and provide necessary documentation for quarterly and yearly reviews.
Requirements
Relevant experience in Mainframe (IBM z/OS platform and the associated subsystems like TSO, CICS, DB2, IMS, Security, Network, File transfer protocols, Scheduling)
Technology Operations and Mainframe Environment Support, including incident, problem, change, and service reporting in a 24x7 business-critical environment.
Working knowledge of other operating platforms like Unix, Tandem NonStop Guardian, TCP/IP Networking, Firewalls etc.
Working knowledge of encryption at the hardware level (cryptography, Disk) and software level data in transit (File transfers), data at rest like DB2, IMS and VSAM concepts and tooling.
Understanding online and database subsystems (e.g., CICS, IMS, DB2) and the ability to partner effectively with application teams and system programmers during incidents and changes.
Experience with IT service management practices (ITIL) and ticketing tools; proven ability to run incident bridges, manage priorities, communicate clearly, and coordinate escalations with internal resolver groups and external vendors.
Experience with workload scheduling like OPC/TWS, automation tools like NetView and monitoring like Omegamon and comfort with operational reporting/analysis with desktop MS office.
Working knowledge of mainframe security and access controls (RACF, Top Secret) and experience supporting audits, evidence collection, and control attestation.
Understanding of MFA (multi factor authentication in mainframe environment with AD, RADIUS, RSA etc.
Understanding the TISO role in supporting Infrastructure NARs and the mainframe platform, following CSO guidelines, implementing secured Production environment with MFA and CyberArk toolset, Security event monitoring with Splunk and other CSO manged tools.
Strong analytical and problem-solving skills, attention to detail, and a continuous improvement mindset (automation/simplification where possible).
Tech Stack
Firewalls
ITSM
Splunk
TCP/IP
Unix
Benefits
Best in class leave policy.
Gender neutral parental leaves
100% reimbursement under childcare assistance benefit (gender neutral)
Sponsorship for Industry relevant certifications and education
Employee Assistance Program for you and your family members
Comprehensive Hospitalization Insurance for you and your dependents
Accident and Term life Insurance
Complementary Health screening for 35 yrs. and above
Mainframe Platform Technology Specialist, VP at Deutsche Bank | JobVerse