Delivery Consultant – zCore

IBM Global Sales brings together innovation, collaboration, and expertise to help clients solve complex business challenges across industries and geographies. The IBM Center of Excellence in Krakow is seeking a Delivery Consultant with expertise in IBM mainframe OS, Mainframe Security, HashiCorp Vault, middleware, and language technology to lead and deliver pre-sales and post-sales client engagements enabling adoption of IBM zSystems.

• Strong knowledge of IBM z/OS security subsystems (RACF, ACF2, or Top Secret).
• Hands-on experience with HashiCorp Vault including installation, configuration, and policy management.
• Knowledge of Vault secrets engines (KV, PKI, DB) and credential rotation.
• Ability to integrate Vault with IBM Z workloads and subsystems such as CICS, DB2, and IMS.
• Experience managing LPARs in a sysplex and configuring high availability and disaster recovery.
• Experience applying PTFs and maintenance updates in IBM Z environments.
• Familiarity with in-house exits or customizations and their impact on upgrades.
• Experience consuming secrets via Vault APIs in application pipelines and knowledge of automation tools and CI/CD integration.
• Understanding of least-privilege access and secure deployment practices; ability to work with auditors.
• Experience reviewing audit trails and compliance reports (PCI DSS, GDPR, SOX).
• Incident management skills including root cause analysis for P1 incidents.
• Strong analytical and problem-solving skills with excellent attention to detail.
• Fluent English language skills.
• Experience managing sysplex environments, JES2/JES3 subsystems, and configuring LPAR connectivity for high availability and disaster recovery.
• Ability to support application teams in secure consumption of secrets and enforcing least-privilege access principles.
• Dynamic team player comfortable in a small, rapidly evolving environment.

• Install and configure Vault on IBM Z platforms, ensuring integration with RACF and other subsystems.
• Define and maintain authentication methods (RACF, LDAP, Kerberos) to control access to secrets.
• Create and manage Vault policies and roles to enforce least-privilege access; rotate credentials, certificates, and API keys.
• Monitor Vault health, performance, and audit logs; escalate issues to IBM support as needed.
• Coordinate with system programmers to ensure Vault high availability and disaster recovery across sysplex LPARs.
• Support application teams in consuming secrets via Vault APIs and automating deployments.
• Review audit trails and compliance reports to verify adherence to regulatory requirements (PCI DSS, GDPR, SOX).
• Collaborate with operations teams during upgrades, applying PTFs and validating environment changes.
• Understand clients' main challenges and develop solutions through design, development, integration, implementation, migration, and product support phases.
• Work with customers, IBM Sales, and Business Partners to position, scope, and deliver mainframe platform migration solutions on IBM Z and LinuxONE.
• Manage sysplex environments, JES2/JES3 subsystems, and configure LPAR connectivity, controllers, and trackers for high availability and disaster recovery.
• Coordinate upgrades and execute test cases in production environments.
• Perform incident management including root cause analysis for P1 incidents with IBM support.
• Deliver customer or executive-facing communications, requirements analysis, documentation, and report presentations.