Mainframe Engineer

Role Descriptions: The Mainframe engineers responsibilities include:

• Technical Lead for Mainframe Platform (z/OS| Dell Storage| IMS| DB2| RACF| CA JobTrac) to govern operations| changes and sustainability upgrade projects.
• Interface between Freddie Mac teams and Managed Service Supplier for issue resolution & change coordination.
• Accountable for governance and oversight on contractual SLAs and key metrics.
• Perform technical review| validation| coordination and compliance assurance for Vendor Managed and business requested Mainframe infrastructure changes (maintenance and sustainability upgrades)
• Execute risk management controls| Baseline Security Compliance activities and audit support| involving technical review and execution of z/OS| IMS| DB2 and zSecure subsystems| involving RACF security.
• Work as client side - technical SME for Mainframe infrastructure subsystems| to hold Managed Service Provider accountable to deliver on the changes and contracted services
• Requires detailed knowledge of z/OS| IMS and DB2 subsystems and RACF security services
• Flexibility for unscheduled engagement to lead & drive major incident resolutions & planned after-hour releases.
• Perform root cause analysis with corrective and preventive measures.
• Communicates and Influences effectively. Your Impact:
• Identifies technical risks to planned system upgrades and works toward implementing mitigations to those risks.
• Reviews completion and implementation of system upgrades and/or enhancements and makes recommendations to management on opportunities for improvement.
• Identifies| analyzes| and resolves system problems.

Qualifications:

• 5+ years of hands on experience in mainframe infrastructure engineering
• Knowledge of z/OS architectures and z/OS internals
• Knowledge of the zSecure tool and its is own language| Carla| for customization a plus
• Knowledge of mainframe security and RACF
• Knowledge of mainframe security related to supporting audits & findings in reference to BSCs| key managements a plus
• Knowledge of IBM Mainframe System - JCL| CICS| SQL| z/OS| DB2| IMS| VSAM| XML| TSO/ISPF| zconnect Keys to Success in this Role:
• Proactive and ability to think creatively and execute in a manner that respects and meets appropriate internal controls.