Application Developer (Assembler)

Position Description:Provide support and assistance to design, development, integrate, test, and deploy a modernized BMF platform and also support day-to-day Operations & Maintenance (O&M) work based on IRS priorities. Provide for project management, O&M, development, modernization, enhancements, software development, legislative changes, and developmental O&M upgrades.Minimum Requirements:Willing to travelIn-depth knowledge of IBM z/OS assembly language: This includes understanding assembly instructions, addressing modes, data manipulation techniques, and job control processing. Will provide support with legacy code business rules extraction and code conversion.Familiarity with IBM mainframe architecture: Grasp of concepts like storage hierarchy (registers, memory, I/O), system calls (SVCs), and interrupt handling mechanisms.Knowledge of CA Endevor Software Change Manager (SCM) tool – including version control, release management, security and access control, and integration of Endevor with other development tools.Knowledge of BMC Control-M – specifically with respect to automating job scheduling, managing workflows, and monitoring job execution.Understanding of mainframe tools: Experience with debuggers, assemblers, linkers, and utilities specific to the IBM z/OS mainframe environment.In-depth knowledge of legacy mainframe data formats: This includes experience with DB2, QSAM, VSAM data formats.Understanding of target Java code: Candidate should have an understanding of object-oriented programming principles, Java syntax, libraries, frameworks, and best practices and have the ability to translate assembly logic to modern constructs such as mapping assembly instructions to equivalent Java code using loops, conditional statements, functions, and object-oriented design patterns.Active IRS MBI Clearance High DesirableExperience with IRS Core Record Layout (CRL), QSAM Data Formats highly desirable.Experience with IRS Individual Master File (IMF) or Business Master File (BMF) highly desirable.To be considered for work, A CANDIDATE MUST BE EITHER A U.S. CITIZEN OR PERMANENT RESIDENT ALIEN (No H1 visa holders)Location:Remote

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