Senior Db2 for z/OS Systems Programmer

LED FastStart•Louisiana, MO

8d•Remote

About The Position

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.

Requirements

Bachelor of Arts/Bachelor of Science in Computer Science or related field
10+ years of related experience
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 ZOS
Working knowledge of MVS
Working knowledge of SMPE
Working knowledge of TSO ISPF
Working knowledge of SDSF
Working knowledge of IFCID
Working knowledge of SQL
Working knowledge of EXPLAIN
Working knowledge of Cobol
Working knowledge of Db2 Connect
Working knowledge of Bind
Working knowledge of Catalog
Working knowledge of Db2 Utilities
Ability to provide on-call support 24x7 due to potential outage penalties
Capability for off-hours work for maintenance and upgrades

Responsibilities

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
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
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
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
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
Create and manage ServiceNow change records
Ensure proper approvals and scheduling
Communicate changes to stakeholders
Maintain compliance with production standards
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

Benefits

401K with company match
Competitive pay
Paid time off
Full flex work weeks
Variety of paid time off plans, including vacation, sick and personal time, holidays
Paid parental leave
Military leave
Bereavement leave
Jury duty leave
15 days of paid leave per calendar year
10 paid holidays per year
Paid Family Leave program (up to 160 hours)
Short-term disability benefits
Long-term disability benefits
Life insurance
Accidental death and dismemberment insurance
Personal accident insurance
Critical illness insurance
Business travel and accident insurance
Variety of medical plan options
Health Savings Accounts
Dental plan options
Vision plan
401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match