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Senior Application Programmer Mainframe Systems

Tech ProvidersDowney, CAApril 12th, 2026
Position: Senior Application Programmer – Mainframe SystemsLocation: Downey, CA 90242 (Onsite)Duration: 12+ Months Contract with potential for extensionSkills RequiredThe Senior Application Programmer for Mainframe Systems will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; organization’s operational environment; software design principles, methods and approaches; principles, methods and procedures for designing, developing, optimizing and integrating new and/or reusable systems components; pertinent government regulations; infrastructure requirements, database management principles and methodologies, including data structures, data modeling, data warehousing and transaction processing; functionality and operability of the current operating environment; systems engineering concepts and factors such as structured design, supportability, reliability, scalability and maintainability; optimization concepts and methods; establish and maintain cooperative working relationships with those contacted in the course of the work; and speak and write effectively and prepare effective reports.Skills PreferredStrong analytical and troubleshooting skills in a Cobol mainframe environment.Experience RequiredThis classification must have a minimum of seven (7) years of experience in electronic data processing systems design and programming with one or more of the software set forth below. LANGUAGES: COBOL, Natural/ Supernatural, IMS/DB/DC, DB2/SQL, Assembler, SAS, CICS; MF FOCUS; TOOLS/UTILITIES: MVS JCL, MVS TSO/ISPF, IBM OPTIM, FILE Manager, SPUFI, ICEMAN/ICETOOLS, SORT, VSAM, CLIST, FTP, DYL260/280, CA Gen (CoolGen), CA Endevor, CA Spool, CA OM Web Viewer, IBM WebSphere, Debugger, N2O; DATABASES: DB2, IMS, ADABAS, FOCUS; OS: z/OS; OTHER: EntireX, ASP, HTML, Cloverleaf.Experience PreferredDemonstrated strong foundational experience with large-scale complex COBOL mainframe applications.Experience with IMS batch jobs, IMS DC, CICS, DB2, ADABAS is a plus.Experience and knowledge of creating test databases on-demand, along with creation of IMS/COBOL batch jobs to load and test data is desirable.Education RequiredThis classification requires the possession of a bachelor’s degree in an IT-related or Computer Science field.Additional qualifying experience may be substituted for the required education on a year-for-year basis.Additional InformationWork week may include two telework days after the initial training is successfully completed.