Senior DB2 Mainframe DBA

Jobtailor; São Paulo; Presencial; BRL 167 000 - 290 000; Tempo integral

Resumo da oferta

Jobtailor in São Paulo, Brazil, seeks an experienced DB2 for z/OS administrator to ensure performance, security, and data integrity in mission-critical environments.

You will define standards, mentor teammates, and collaborate with data, security, and operations specialists on strategic projects. Experience with RACF, DR, and ITIL processes is valued.

This role requires 5+ years in DB2 for z/OS and a proactive, results-driven mindset in Agile teams.

Qualificações

• 5+ years of solid experience administering DB2 for z/OS in enterprise environments.
• Expertise installing, configuring, migrating, and upgrading DB2 for z/OS versions.
• Strong query tuning, EXPLAIN analysis, and performance bottleneck resolution in high-volume systems.
• Experience with REORG, RUNSTATS, COPY, RECOVER, LOAD, and CHECK utilities.
• Knowledge of RACF, encryption, LGPD compliance, and security controls.
• Experience with data modeling, partitioning, and indexing strategies.
• Ability to mentor juniors and lead architecture reviews.
• Familiarity with Agile (Scrum/Kanban) and ITIL processes.

Responsabilidades

• Ensure availability, integrity, performance, and security of large-scale DB2 for z/OS environments.
• Define standards and optimization strategies for legacy and mission-critical systems.
• Support high-impact technical decisions.
• Collaborate in multidisciplinary teams as a technical reference in continuous improvement and evolution of digital projects.
• Mentor others and share knowledge.

Conhecimentos

DB2 For Z/OS Administration

Query Tuning

Backup And Restore

Access Control RACF

Agile Methodologies

Ferramentas

JCL

TSO/ISPF

SPUFI

CICS

Version Control Tools

AI-Assisted Productivity Tools

Descrição da oferta de emprego

• Ensure the availability, integrity, performance, and security of large-scale, business-critical DB2 for z/OS environments
• Define standards, best practices, and optimization strategies for legacy and mission-critical environments
• Support high-impact technical decisions
• Work in multidisciplinary teams as a technical reference in continuous improvement and the evolution of the digital future
• Connect data management, performance, and security specialists with opportunities on strategic projects
• Work on high-impact, large-scale projects in mission-critical environments
• Participate in strategic decisions
• Mentor others and share knowledge

Requirements

• 5+ years of solid experience administering DB2 for z/OS databases in enterprise and mission-critical environments
• Advanced expertise in installing, configuring, migrating, and upgrading DB2 for z/OS versions
• Strong command of query tuning, EXPLAIN analysis, REORG, RUNSTATS, and performance bottleneck resolution in high-volume transactional environments
• Hands-on experience with the REORG, RUNSTATS, COPY, RECOVER, LOAD, and CHECK utilities
• Experience with backup and restore strategies, data recovery, Data Sharing, and disaster recovery (DR) and business continuity plans
• Knowledge of JCL, TSO/ISPF, SPUFI, and integration with z/OS, CICS, and/or Batch environments
• Experience in data modeling, indexing strategies, partitioning (PARTITION BY RANGE/GROWTH), and architectural standards definition
• Strong knowledge of access control (RACF), auditing, encryption, and compliance with Brazil’s LGPD and other regulatory frameworks
• Knowledge of data integration between Mainframe and distributed/cloud environments is a plus
• Ability to mentor junior and mid-level professionals, serve as a technical reference, and lead architecture and database routine reviews
• Familiarity with version control tools and AI-assisted productivity tools is a plus
• Proactive mindset, ownership, and strategic business perspective
• Clear communication skills and the ability to influence technical decisions within multidisciplinary teams
• Technical curiosity, mentoring skills, and willingness to share knowledge
• Ability to work independently with accountability, maintaining high standards of quality and data integrity
• Established experience working in Agile teams (Scrum/Kanban) and/or ITIL processes, including process definition support

Core Competencies

Demonstrates advanced expertise in administering DB2 for z/OS databases, including installation, configuration, and performance optimization in mission-critical environments. Capable of mentoring professionals and influencing technical decisions while ensuring compliance with regulatory frameworks.

Highest-signal resume keywords

• DB2 For Z/OS Administration
• Query Tuning
• Backup And Restore Strategies
• Access Control (RACF)
• Agile Methodologies (Scrum/Kanban)

ATS Optimization Keywords

Hard Skills

• DB2 Installation
• DB2 Configuration
• Performance Bottleneck Resolution
• Data Modeling
• Indexing Strategies
• Partitioning (Partition By Range/Growth)
• REORG Utility
• RUNSTATS Utility
• Data Sharing
• Disaster Recovery (DR)

Soft Skills

• Mentoring
• Clear Communication
• Proactive Mindset
• Technical Curiosity
• Ownership

Industry Keywords

• Mission-Critical Environments
• Compliance (LGPD)
• Data Integrity
• Continuous Improvement
• ITIL Processes

Tools & Technologies

• JCL
• TSO/ISPF
• SPUFI
• CICS
• Version Control Tools
• AI-Assisted Productivity Tools