Senior DBz Database Administrator; DBA
Job in
Boston, Suffolk County, Massachusetts, 02115, USA
Listed on 2026-06-03
Listing for:
3B Staffing
Full Time
position Listed on 2026-06-03
Job specializations:
-
IT/Tech
Data Engineer, Database Administrator, Cloud Computing, IT Support
Job Description & How to Apply Below
We're seeking a Senior DB2z Database Administrator (DBA) to join a large enterprise mainframe team supporting mission-critical Tier 1 and Tier 2 applications. The ideal candidate will bring deep technical expertise in DB2z on z/OS, performance tuning, automation, and mainframe data replication, along with experience supporting high-availability environments.
DB2z on z/OS, DB2 Data Sharing, IIDR (SQL & Q Replication), IDAA, performance tuning, automation (JCL/REXX scripting), Omegamon, Query Monitor, capacity planning, backup/recovery, and mainframe production support.
Interview Process: 1 Round
Location: Remote
Required Qualifications:
- 10+ years of experience as a Mainframe DB2z DBA in large-scale enterprise environments.
- Strong experience with DB2 Data Sharing,
IIDR (SQL Replication and Q Replication), and IDAA. - Solid understanding of performance tuning, query optimization, and system automation.
- Proven experience supporting production-critical workloads and performing root cause analysis.
- Experience with Zowe and Admin Foundation for DB2.
- Familiarity with IDMS and Service Now.
- Experience in automation, scripting, and capacity management in complex environments.
- Execute DDL and DML requests for application and business teams across production, test, and development environments.
- Develop and maintain JCL and REXX scripts to manage, monitor, and automate database activities and reporting.
- Configure and support data replication between DB2 subsystems (QRep/SQLRep).
- Monitor database and SQL performance using Omegamon and Query Monitor, optimizing table spaces, indexes, and access paths.
- Review and tune Db2 package access paths, including use of hints and optimization techniques.
- Perform database capacity planning, data growth analysis, and system maintenance.
- Design and implement database backup and recovery strategies.
- Manage IDAA setup, tables, and data synchronization.
- Participate in a 24/7 on-call rotation for production support.
- Design, implement, and maintain database security controls and documentation.
- Prepare and execute disaster recovery plans to meet RPO/RTO targets.
- Automate recurring operational tasks to improve efficiency.
- Plan and execute Db2 software upgrade and patching activities.
- Bachelor's Degree preferred (or equivalent professional experience).
Position Requirements
10+ Years
work experience
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