Senior Mainframe DB2 DBA (z/OS) – Performance & Availability

OM Housing; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Excellent benefits package

Bonus opportunities

Job summary

OM Housing is seeking a Senior DB2 Database Administrator (z/OS) to join our on-site team in New Jersey. You will manage DB2 z/OS databases, optimise performance, and collaborate with development, systems, and storage teams to ensure reliability, availability, and security across a demanding enterprise environment.

The role requires hands-on DB2 for z/OS expertise, experience with IBM DB2 tools, and a proactive approach to tuning, backup/recovery, and security.

Qualifications

• 6+ years of hands-on experience as a Mainframe DB2 Database Administrator.
• Strong DB2 for z/OS expertise and IBM DB2 tools.
• Hands-on with DB2 utilities, MVS, and JCL.
• Knowledge of DB2 design, objects, and validation.
• Experience in performance tuning and SQL optimization.
• Backup, recovery, and RUNSTATS, LOAD, UNLOAD utilities.
• Security best practices, encryption and auditing.
• Experience with high availability and DR/BCP.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and collaboration in global teams.
• Willingness to provide 24x7 support.

Responsibilities

• Database Administration: Design, implement, configure, and maintain DB2 z/OS databases across environments.
• Database Design: Create/modify tables, indexes, procedures with data integrity and performance in mind.
• Performance Monitoring & Tuning: Monitor performance, identify bottlenecks, optimise SQL and workloads.
• IBM DB2 Tools & Utilities: Use DB2 tools for day-to-day admin and production support.
• Backup & Recovery: Develop and execute backup, recovery, and restore strategies.
• Database Maintenance: Run REORG, RUNSTATS, loads/unloads, index maintenance.
• Security & Access Management: Manage access controls, encryption, auditing.
• Troubleshooting & RCA: Investigate issues using diagnostic tools and logs.
• High Availability & DR: Support and implement HA/DR solutions.
• Cross-functional Collaboration: Partner with developers, DB2/MVS teams, storage, security.

Skills

Mainframe DB2

DB2 for z/OS

Performance tuning

JCL

MVS

DB2 tools

Security & auditing

24x7 support

Education

Bachelor's degree in Computer Science/IT

Tools

DB2 utilities

IBM Data Studio

Q Replication

Job description

OM Housing is seeking a Senior DB2 Database Administrator (z/OS) to join our on-site team in New Jersey. You will manage DB2 z/OS databases, optimise performance, and collaborate with development, systems, and storage teams to ensure reliability, availability, and security across a demanding enterprise environment.

The role requires hands-on DB2 for z/OS expertise, experience with IBM DB2 tools, and a proactive approach to tuning, backup/recovery, and security.