Senior z/OS CICS & MQ Systems Lead (24x7)

DXC Technology; España; On-site; PHP 5,443,000 - 7,983,000; Full time

Job summary

DXC Technology seeks a seasoned CICS/MQ Systems Programmer/Administrator to maintain stability, security, and performance of z/OS CICS Transaction Server and IBM MQ environments. You will install, customize, and maintain CICSplex and MQ infrastructure supporting high-volume processing.

The role requires 5+ years in mainframe CICS/MQ, strong leadership, and the ability to manage complex upgrades, DR tests, and security audits while guiding a skilled team.

Qualifications

• Bachelor's degree in computer science, information systems, or a related field.
• 5+ years of experience in mainframe CICS Transaction Server and MQ Messaging systems programming/administration.
• Strong understanding of CICSplex and MQ architecture, resource administration, and system programming concepts.
• Proficiency in z/OS operating system and JCL.
• Knowledge of CICS/MQ performance tuning and optimization techniques (e.g., WLM, storage management).
• Experience with data security and compliance standards, particularly within CICS/MQ.
• Excellent problem-solving and troubleshooting skills, including system dump analysis.
• Strong communication and interpersonal skills.
• Strong team leadership skills.
• Strong level of English and Spanish.

Responsibilities

• Maintain CICS region and MQ queue manager procedures, startup JCL, and configuration files to ensure optimal performance and operation.
• Execute backups of CICS Global Catalog, Local Catalogs, and MQ Queue Manager (QMGR) data sets, and perform maintenance/cleanup of logs and datasets.
• Provide 24x7 support for system software-related issues to ensure availability and reliability of CICS Transaction Server and MQ Messaging systems.
• Perform change management functions, including ticketing and adherence to change control processes.
• Conduct data security audits to collect compliance evidence, identify non-compliances, and enforce security standards.
• Install and upgrade CICS Transaction Server, MQ, and related sub-products.
• Apply preventative and corrective maintenance PTFs and HIPER PTFs to test and production system software libraries.
• Enforce CICS/MQ security and audit conformance in compliance with relevant regulations and standards.
• Perform disaster recovery drill exercises to test organizational preparedness and response capabilities.
• Configure and optimize performance using CICS System Initialization Table (SIT) and MQ CSQZPARM parameters.
• Provide emergency system restart and problem resolution to maintain online availability of CICS regions and MQ queue managers.
• Allocate, maintain, move, and tune CICS and MQ datasets, including VSAM files, page space, log streams, and queue manager logs.
• Utilize CICS Monitoring Facility (CMF), CICS Trace, and MQ Trace facilities to monitor performance, diagnose problems, and audit compliance.
• Lead moderately complex client-driven and internal projects, including system upgrades.
• Research and resolve system software-related issues, providing timely and effective solutions.
• Tune and review memory/resource consumption based on daily performance reporting and online monitoring.
• Interface with Change Support and vendor software support to resolve system software problems.
• Collaborate with Automation teams to provide automated responses to system situations requiring intervention.
• Provide team leadership, mentoring, guidance, task assignment, and performance coaching to team members.
• Create and maintain technical documentation, including procedures, standards, and CICS RDO and MQ Object Definition knowledge base articles.

Skills

CICS/MQ

Mainframe

JCL

Security auditing

Team leadership

English

Spanish

Education

Bachelor's degree in computer science

Tools

CICSplex

MQ Queue Manager

CMF/MQ tracing

SIT tuning

REXX/CLIST

Job description

DXC Technology seeks a seasoned CICS/MQ Systems Programmer/Administrator to maintain stability, security, and performance of z/OS CICS Transaction Server and IBM MQ environments. You will install, customize, and maintain CICSplex and MQ infrastructure supporting high-volume processing.

The role requires 5+ years in mainframe CICS/MQ, strong leadership, and the ability to manage complex upgrades, DR tests, and security audits while guiding a skilled team.