Provide L2/L3 operational support for IBM Z (z/OS) production environments, including monitoring, event triage, and service restoration within agreed SLAs
Execute and support batch operations (job monitoring, restarts/reruns, job failure analysis), and coordinate end-to-end processing with upstream/downstream systems
Perform initial diagnostics for incidents (including abend and connectivity issues), collect logs/evidence, drive root-cause analysis with resolver groups, and track remediation through to closure
Participate in change and release processes for mainframe components and applications (JCL/PROCs, scheduler definitions, CICS/IMS changes) and coordinate DB2-related changes and binds with the vendor-managed mainframe database service to ensure operational readiness, rollback plans, and post-implementation validation
Manage and govern the vendor providing mainframe database services (e.g., DB2), including SLA tracking, incident and problem escalation, change coordination, service reviews, and ensuring timely delivery of agreed actions and audit evidence
Support security/compliance activities on the platform by coordinating access reviews and privileged access processes (e.g., RACF/ACF2/Top Secret), maintaining audit evidence, and responding to control/audit/regulatory requests in a timely manner

Relevant experience in Mainframe (IBM Z), Tandem, AS400 Technology Operations / Production Support, including incident, problem, change, and service reporting in a 24x7 or business-critical environment
Hands-on working knowledge of z/OS concepts and tooling such as TSO/ISPF, SDSF, JES2/JES3, JCL/PROCs, and datasets/VSAM
Understanding of 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/automation and monitoring (e.g., CA-7/Control-M/TWS, OMEGAMON or equivalent) and comfort with operational reporting/analysis (Excel)
Working knowledge of mainframe security and access controls (RACF, ACF2, or Top Secret) and experience supporting audits, evidence collection, and control attestation
Strong analytical and problem-solving skills (including structured RCA), attention to detail, and a continuous improvement mindset (automation/simplification where possible)

Technology Operations Specialist, VP

Key skills