Advance how our customers operate while you advance your career. Join GDIT as a Senior Db2 for z/OS Systems Programmer and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
The Senior Db2 for z/OS Systems Programmer is responsible for performance, availability, and lifecycle management of Db2 for z/OS subsystems supporting high-volume, mission-critical Medicaid and healthcare systems. They operate in a large-scale data sharing environment with heavy distributed (DDF) workloads, strict audit controls, and 24x7x365 availability requirements
MEANINGFUL WORK AND PERSONAL IMPACT
As a Senior Db2 for z/OS Systems Programmer, the work youll do at GDIT will be impactful to the mission of our customers. You willwill play a crucial role via the following:
Db2 Performance & Monitoring- Analyze DDF activity, connection pooling, and thread usage
- Tune buffer pools, EDM pool, and memory usage
- Resolve locking, latching, and concurrency issues
- Identify performance degradation and implement solutions
- Provide proactive performance recommendations
Performance Reporting (SAS / Excel)- Develop daily/weekly/monthly reports using SMF/RMF data
- Analyze CPU utilization, transaction volumes, and workload trends
- Highlight anomalies and emerging risks
- Translate technical metrics into user-friendly reports for leadership
Installation, Maintenance & Upgrades- Install and configure Db2 subsystems and tools
- Apply RSUs, PTFs, and HIPER maintenance
- Execute Db2 version upgrades aligned with IPL windows
- Perform validation and ensure system stability post-upgrade
Disaster Recovery & Audit Support- Participate in DR exercises ensuring full system recovery
- Validate image copies and backup integrity
- Ensure recoverability of all critical tablespaces
- Support audit requirements and documentation
Problem Determination- Lead root cause analysis for system and performance issues
- Investigate DDF spikes, CPU anomalies, and contention issues
- Collaborate with application, storage, and z/OS teams
- Interface with IBM support when needed
Change Management- Create and manage ServiceNow change records
- Ensure proper approvals and scheduling
- Communicate changes to stakeholders
- Maintain compliance with production standards
Day in the Life / Weekly Cycle- Daily monitoring of Db2 subsystem health and performance metrics
- Review and distribute performance reports to stakeholders
- Investigate anomalies such as DDF spikes or CPU increases
- Coordinate with application teams on performance issues
- Prepare and implement maintenance or changes
- Participate in meetings related to DR, upgrades, or production issues
WHAT YOULL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Senior Db2 for z/OS Systems Programmer, must have:
Education: Bachelor of Arts/Bachelor of Science in Computer Science or related field
Experience: 10+ years of related experience
Required Technical Skills:
- Strong expertise in data sharing and DDF environments
- Experience with SMF/RMF analysis and performance tuning
- Proficiency with SAS and Excel for reporting
- Deep knowledge of Db2 internals and architecture
- Experience with Omegamon
- Working knowledge of the following:
ZOS
MVS
SMPE
TSO ISPF
SDSF
IFCID
SQL
EXPLAIN
Cobol
Db2 Connect
Bind
Catalog
Db2 Utilities
Required Skills:
- Ability to provide on-call support 24x7 due to potential outage penalties
- Capability for off-hours work for maintenance and upgrades
Location: Remote
GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Flexibility: Full-flex work week to own your priorities at work and at home
Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and youll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
