We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Senior Db2 for z/OS Systems Programmer
Location
United States
Posted
26 days ago
Salary
$136K - $184K / year
Seniority
Senior
Job Description
Senior Db2 for z/OS Systems Programmer
LED FastStart
Role Description 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. As a Senior Db2 for z/OS Systems Programmer, the work you’ll do at GDIT will be impactful to the mission of our customers. You will 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 Qualifications - 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 Benefits - Comprehensive benefits and wellness packages - 401K with company match - Competitive pay and paid time off - Full-flex work week to own your priorities at work and at home - Award-winning culture of innovation and a military-friendly workplace
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