Mainframe Systems Programmer

Responsibilities:

· Install, configure, and maintain mainframe operating systems, such as z/OS, z/VM, or z/VSE, ensuring optimal performance and reliability.

· Collaborate with other IT teams to develop and implement mainframe system upgrades, patches, and fixes, adhering to change management processes and minimizing service disruptions.

· Monitor system performance and capacity, proactively identifying and resolving issues to maintain high availability and efficient resource utilization.

· Perform system tuning and optimization activities to enhance the performance and efficiency of mainframe systems.

· Implement and maintain mainframe security measures, including user access controls, authentication, and encryption, to protect sensitive data.

· Diagnose and troubleshoot system problems, coordinating with hardware and software vendors, as necessary, to resolve complex technical issues.

· Develop and maintain system documentation, including standard operating procedures, configuration guidelines, and disaster recovery plans.

· Collaborate with application development teams to provide technical guidance and support for mainframe-related projects and initiatives.

· Stay current with emerging technologies and industry trends related to mainframe systems, and evaluate their potential impact on the organization’s infrastructure.

· Participate in on-call rotation and provide off-hours support for critical system issues and emergencies.

Requirements:

· Bachelor’s degree in computer science, information technology, or a related field. Relevant certifications and equivalent work experience will also be considered.

· Proven experience as a mainframe systems programmer, with in-depth knowledge of mainframe operating systems, such as z/OS, z/VM, or z/VSE.

· Strong understanding of mainframe hardware, system components, and subsystems.

· Proficiency in programming languages used in mainframe environments, such as COBOL, PL/I, Assembler, or REXX.

· Solid understanding of mainframe networking protocols and technologies.

· Familiarity with mainframe storage systems, such as DFSMS, DFSMShsm, or DFSMSdss.

· Experience with mainframe security tools and practices, including RACF, ACF2, or Top Secret.

· Excellent problem-solving and analytical skills, with the ability to diagnose and resolve complex technical issues.

· Strong communication and collaboration skills, with the ability to work effectively in a team environment.

· Ability to prioritize and manage multiple tasks in a fast-paced environment.

· Willingness to learn and adapt to new technologies and industry trends.

Preferred Qualifications:

· Master’s degree in computer science, information technology, or a related field.

· Mainframe-related certifications, such as IBM Certified System Programmer or IBM Certified Advanced Technical Expert.

· Experience with mainframe virtualization technologies, such as z/VM or z/VM Hypervisor.

· Knowledge of mainframe database systems, such as DB2 or IMS.

· Familiarity with mainframe performance monitoring and management tools, such as IBM OMEGAMON