- 8+ years
Responsibilities
- Serve as the lead technical voice on mainframe architecture, application structure, data flows, and modernization feasibility for assigned engagements.
- Engineer, administer, and troubleshoot IBM z/OS environments supporting DISA/DoD mission workloads, including advanced support for JES2, TSO/ISPF, SDSF, SMF/RMF, and SMP/E.
- Support and tune DB2 for z/OS environments and CICS regions including configuration, performance tuning, and outage resolution.
- Analyze dumps, logs, and system traces; drive root-cause analysis and implement permanent fixes.
- Provide technical support to application teams for mainframe workloads, including code-level troubleshooting and job support in COBOL, REXX, JCL, and legacy languages such as FORTRAN as applicable.
Requirements
- Nice to have: Direct experience supporting DISA, DoD, or other Federal defense agency mainframe programs
- Nice to have: Assembler
- Nice to have: ICAM systems
- Nice to have: access control modernization
- Nice to have: RACF/RBAC