Senior z/OS CICS & MQ Systems Lead

DXC Technology Company; Sant Cugat del Vallès; On-site; EUR 85,000 - 115,000; Full time

Benefits offered by this job

Flexible work model

Unlimited certifications

Social benefits

Job summary

DXC Technology is seeking a CICS/MQ Systems Programmer/Administrator to join our Global Infrastructure Services. The role focuses on maintaining CICS Transaction Server and MQ environments, including installation, customization, and ongoing maintenance across high-volume operations.

The successful candidate will lead complex projects, mentor team members, and ensure security, auditing, and DR preparedness while delivering 24x7 support and performance tuning for critical systems.

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 level of English and Spanish.

Responsibilities

• Maintain CICS region and MQ queue manager procedures, startup JCL, and configuration files.
• Execute backups of CICS Global Catalog, Local Catalogs, and MQ Queue Manager data sets.
• 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 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 preparedness and response capabilities.
• Configure and optimize performance using CICS SIT and MQ CSQZPARM parameters.
• Provide emergency system restart and problem resolution to maintain online availability.
• 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.
• 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, 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

z/OS

JCL

System programming

Security & auditing

Performance tuning

Disaster recovery

Leadership

Education

Bachelor's degree in Computer Science or related field

Tools

IBM MQ

CICSplex

CMF

SIT

VSAM

HIPER PTFs

Job description

DXC Technology is seeking a CICS/MQ Systems Programmer/Administrator to join our Global Infrastructure Services. The role focuses on maintaining CICS Transaction Server and MQ environments, including installation, customization, and ongoing maintenance across high-volume operations.

The successful candidate will lead complex projects, mentor team members, and ensure security, auditing, and DR preparedness while delivering 24x7 support and performance tuning for critical systems.