5+ years of hands-on experience in mainframe infrastructure engineering
Expertise in z/OS architectures and internals
Familiarity with zSecure and its customization language, Carla
Understanding of mainframe security protocols and RACF
Experience supporting audits and addressing findings related to BSCs and key management
Proficient in IBM Mainframe System technologies including JCL, CICS, SQL, and DB2
Responsibilities
Lead mainframe platform governance and oversee technical operations
Serve as the liaison between internal teams and managed service providers
Ensure compliance with contractual SLAs and monitor key performance metrics
Conduct technical reviews and validate compliance for infrastructure changes
Implement risk management strategies and ensure security compliance
Act as a subject matter expert for mainframe infrastructure subsystems
Perform root cause analysis and drive major incident resolutions
Benefits
Flexible hours for engagement in critical incidents and after-hours support
Opportunities to influence system upgrades and recommend improvements
Collaborative environment with strong communication emphasis
Full Job Description
Overview:
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.
