Senior Mainframe DB2 DBA Support, Systems Administration

• Install, configure, administer, upgrade, and maintain DB2 for z/OS database environments
• Monitor database health, performance, availability, and capacity
• Execute backup, recovery, and disaster recovery procedures
• Manage database objects and review database designs
• Tune SQL queries and assist application teams with database troubleshooting
• Analyze and resolve database incidents and conduct root cause analysis
• Maintain access controls and database security
• Collaborate with cross-functional mainframe teams
• Manage ITIL-based changes and ensure audit compliance
• Maintain operational documentation
• Participate in on-call rotations and weekend support
• Drive task automation and service improvements
• Mentor junior team members
• Install, maintain, and upgrade internal IT hardware and software infrastructure
• Manage user access control and system security

• 5+ years of experience supporting IBM DB2 for z/OS environments
• Strong knowledge of z/OS operating system fundamentals
• In-depth understanding of DB2 database architecture, administration, high availability, and disaster recovery concepts
• Practical experience with DB2 utilities including REORG, RUNSTATS, COPY, RECOVER, LOAD, UNLOAD, and CHECK
• Ability to analyze and tune SQL, monitor database performance, and troubleshoot production issues using logs, traces, and dumps
• Hands-on experience with incident, problem, and change management processes
• Bachelor’s degree in computer science or a related field (preferred)
• Experience supporting large-scale enterprise mainframe environments, DB2 Data Sharing architecture, and version migrations or upgrades (preferred)
• Experience with IBM OMEGAMON or Query Monitor, capacity planning, and SQL tuning (preferred)
• Knowledge of RACF security administration concepts, automated scripting, and disaster recovery planning (preferred)
• Experience working in globally distributed support teams following structured ITIL operational processes (preferred)
• Participation in on-call rotations and weekend support
• Customer-focused, inclusive, growth-oriented approach

• Flexible, supportive work environment
• Well-being support through Be Well programs for financial, mental, physical, and social health
• Learning opportunities and hands-on experience
• Opportunities to certify in Microsoft, Google, Amazon, and four major cloud platforms
• Personalized development goals and continuous feedback
• Coaching and hands-on experiences
• Cutting-edge learning and professional development opportunities
• Fully remote work arrangement