About this role

Job Title: Sr Mainframe Database Systems Engineer
Job ID :26-05454
Location: Hartford ,CT
Duration: 06 months on W2 contract

Description:

We are seeking a Senior Mainframe Database Systems Engineer with strong experience in IBM Db2 for z/OS systems programming, installation, configuration, maintenance, performance tuning, and infrastructure management across production and non-production environments.

Key Responsibilities:

Lead Db2 for z/OS subsystem installation, configuration, maintenance, and upgrades.
Plan and implement software maintenance using SMP/E, including PTFs, RSU, and HIPER updates.
Manage Db2 migrations, subsystem configuration, DSNZPARMs, buffer pools, logging, and memory tuning.
Troubleshoot complex database issues, system recovery, and performance problems.
Manage Db2 connectivity, security, DDF/DRDA, TCP/IP, TLS, and RACF integration.
Support IMS DBRC, HALDB, ACB management, and disaster recovery activities.
Monitor database performance, capacity, availability, and system health.
Automate systems programming tasks using REXX, JCL, and modern tools.
Provide technical leadership, mentor DBAs, and coordinate with managed service teams.
Maintain technical documentation, runbooks, and compliance evidence.

Required Qualifications:

Bachelor's degree in Computer Science, STEM, or equivalent experience.
8+ years of hands-on Db2 for z/OS systems programming experience.
Strong knowledge of SMP/E, z/OS, JCL, TSO/ISPF, SDSF/IOF, and REXX.
Experience with Db2 installation, maintenance, version migrations, and subsystem tuning.
Strong troubleshooting and recovery experience, including IBM support cases.
Working knowledge of RACF, Db2, and IMS.
Experience with Db2 data sharing, Parallel Sysplex, and coupling facility is preferred.
IMS systems programming and distributed Db2 connectivity experience preferred.
3+ years of technical leadership experience preferred.
Ability to support occasional weekend, overnight, holiday, and on-call maintenance activities.

Sr Mainframe Database Systems Engineer

Key skills

About this role