Leidos is seeking a Sr. Mainframe Developer to be part of the mission solution and help lead SSA’s Digital Modernization Strategy. Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern responsive user interfaces, supporting the Social Security Administration (SSA) and their mission to meet the changing needs of the public, positively impacting at least 65 million American lives per month.
Requirements
- Strong experience with IBM z/OS (OS/390/MVS) environment developing and maintaining JCL and COBOL, Dialog Manager, Endevor, z/OS, CLIS, JCL, and DB2 for application software systems.
- Experience developing and maintaining COBOL applications including working with structures, copybooks, and CICS maps
- Experience developing applications for use on IBM z/OS.
- Experience debugging COBOL Programs, CLIST, PROC, COBOL error tracing, and using Visual Studio COBOL viewer.
- Basic experience with CICS programs, including how COBOL programs interact with BMS maps that define to user interface.
- Experience using Endevor with TADZ for reporting and analysis such as browsing, scanning elements, measuring usage statistics.
- Working knowledge / experience with ISPF, TSO, JES, and Job Control Language (JCL).
Responsibilities
- Responsible for conforming to customer standards and requirements and will be involved in creating and maintaining code and database structures such as COBOL, Restructured Extended Executor (REXX), Job Control Language (JCL), CLIST, DB2, as well as numerous mainframe utility tools such as SYNCSORT, File-AID/Related Data XPERT (RDX), etc.
- Responsible for unit testing and validation against desired outcomes.
- Develop JCL and software code using customer defined standards and software engineering best practices
- Evaluate impacts of database schema changes on existing software components
- Investigate and repair application defects related to business logic, middleware, or database (DB2).
- Design, develop, test, debug, and implement next-generation COBOL programs using software engineering, best practices and latest technologies
- Create and update JCL for efficient batch processing
Other
- Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week.
- Must be able to obtain and maintain a Public Trust. Contract requirement.
- Excellent communication and written skills
- Detail oriented and committed to consistently completing repetitive production-like tasks on-time and error-free.
- Ability to independently research problems and provide solutions.
