Z/os Administrator

1 day ago

Singapore OPENSOURCE PTE. LTD. Full time

Job Overview:
The z/OS Administrator is responsible for the management, maintenance, upgrades and optimization of z/OS mainframe systems in an organization. This role involves implementing best practices, ensuring system security, performing upgrades, monitoring system health, and addressing technical issues to ensure the continuous and reliable operation of mainframe infrastructure.

**Responsibilities**:
Installation and Configuration:
Install, configure, maintain and upgrade z/OS operating system and related software.

Set up and manage hardware components, including storage devices, processors, and networking.

Configure system parameters and resources to optimize performance.

System Monitoring and Performance Tuning:
Monitor system performance, resource utilization, and capacity planning.

Analyze performance metrics and make adjustments to improve efficiency.

Implement performance tuning techniques to enhance system responsiveness.

Security and Compliance:
Implement security measures to safeguard mainframe systems and data.

Manage user access controls, authentication, and authorization.

Ensure compliance with industry regulations and organizational security policies.

Backup and Recovery:
Develop and maintain backup and recovery strategies for mainframe data.

Perform routine backups and validate restoration processes.

Plan and execute disaster recovery tests to ensure data integrity.

Troubleshooting and Problem Resolution:
Identify and resolve technical issues and system failures promptly.

Investigate and diagnose hardware and software problems.

Collaborate with other teams to troubleshoot and resolve cross-functional issues.

Patch Management and Upgrades:
Plan and execute system upgrades and migrations.

Test compatibility of new software versions with existing infrastructure.

Documentation and Reporting:
Maintain detailed documentation of system configurations, procedures, and policies.

Generate reports on system performance, incidents, and maintenance activities.

Automation and Scripting:
Develop and maintain automation scripts for routine tasks and processes.

Streamline administrative tasks using scripting languages and automation tools.

Collaboration and Communication:
Communicate effectively to convey technical information and updates to relevant parties.

Qualifications:
Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).

Strong knowledge of z/OS operating system and mainframe architecture.

Proficiency in programming/scripting languages used in mainframe environments.

Familiarity with system monitoring and performance analysis tools.

Experience in security protocols and practices for mainframe systems.

Problem-solving skills and the ability to diagnose and resolve complex technical issues.

Excellent communication and teamwork skills.

Note: Job descriptions may vary depending on the organization's specific needs and the complexity of their mainframe environment. The above description provides a general overview of the responsibilities and qualifications typically associated with a z/OS Administrator role.

**Skills**:
Must have:
Working knowledge of SMP/E, SYSPLEX, IODF/HCD, WLM, JES2, TSO, ISPF, and SDSF.

Storage Management (DFSMS, DFHSM, DFDSS, VSAM, IDCAMS, ICF Catalogs)

  • Z/os Systems Programmer

    3 days ago

    Singapore IT CONSULTANCY & SERVICES PTE LTD Full time

    **Requirement** - Diploma/Degree in Information Technology and related discipline - At least 5 years of experience working in a z/OS environment including experience with REXX, Assembler, COBOL, JCL, TSO/ISPF - Experience/Knowledge with IBM z15 hardware and peripherals - Background in hardware configuration changes using HCD/IODF is good to...

  • Associate Cybersecurity Engineer

    1 week ago

    Singapore Tink Full time

    Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure...

  • Associate Cybersecurity Engineer

    7 days ago

    Singapore Visa Full time

    Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure...

  • IBM z Technical Specialist

    3 days ago

    Singapore OPUS IT SERVICES PTE LTD Remote Work Freelance Full time

    Job description The technical support professional is responsible for providing remote/onsite technical support and services for IBM z.In this role, you will apply Problem Determination/Problem Source Identification (PD/PSI)techniques in diagnosing and resolving complex technical problems for our clients/services teams. You will be collaborating with other...

  • Database Administrator

    3 days ago

    Singapore ELLIOTT MOSS CONSULTING PTE. LTD. Full time

    **Key Responsibilities**: - Design, develop, and maintain data pipelines and ETL processes leveraging IBM DB2 and related technologies. - Install, configure, upgrade, and patch DB2 database systems (LUW and/or z/OS) to ensure stability and performance. - Perform detailed SQL query analysis, indexing, and tuning to support fast, scalable data access. - Build...

  • Zr 9379 job

    3 days ago

    Singapore Avensys Consulting Full time

    **Job Summary: Seeking a highly skilled and experienced z/OS Systems Programmer to be responsible for providing technical support for IBM's z/OS operating system, RACF, zSecure, MFA and subsystems including JES2, and USS. **Key Requirements: - At least 8 years of experience working in a z/OS environment including experience with REXX, Assembler, COBOL, JCL,...

  • Director

    1 day ago

    Singapore Visa Full time

    **Company Description** Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and...

  • Mainframe Administrator

    3 days ago

    Singapore OPENSOURCE PTE. LTD. Full time

    a) Administer existing or set up new DB2 Subsystems in a DB2 data sharing environment; b) Monitor, review and administer the usage of DB2 remote connections to c) Monitor and take appropriate action for alerts on long running or massive data retrieval by DB2 threads via combination of available monitoring tools and message automation software. d) Review...

  • Systems Specialist

    3 days ago

    Singapore Housing and Development Board Full time

    **About Us!** The mission of Housing & Development Board (HDB) is to provide affordable, quality housing and a great living environment where communities thrive. To achieve its mission, HDB aims to be data-driven to the core and adopt evidence-based decision making in developing better housing policies service, improving service delivery and optimising...

  • Mainframe Developer

    3 days ago

    Singapore EXCELTECH COMPUTERS PTE. LTD. Full time

    Mainframe Engineer Experience: 8+ years for Experience in supporting, managing and implementing below technologies 1. EMC Storage, IBM VE, MF NW 2. CICS, MQ & DB2 3. Batch Management, Duty Engineer, Scheduling & Operation Output Management 4. Z/OS, IBM HW, SW Installation & Maintenance