Assembler Developer
Assembler Developer
Posted on :
18-06-2025
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1 Vacancy
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Job Description
This is a remote position.
We are seeking a highly experienced Assembly Language Developer with deep expertise in IBM z/OS mainframe environments IRS Core Record Layouts (CRL) and legacy system modernization. The ideal candidate will support the extraction of business rules from legacy code assist in code conversion to modern platforms and work with mission-critical IRS systems such as the Individual Master File (IMF) and Business Master File (BMF).
Key Responsibilities:
- Analyze maintain and enhance legacy code written in IBM z/OS assembly language.
- Extract business rules from existing assembly code and assist in code conversion efforts.
- Work with IRS Core Record Layouts (CRL) and QSAM data formats to support data processing and transformation.
- Collaborate with cross-functional teams to ensure accurate interpretation and migration of legacy logic.
- Utilize CA Endevor Software Change Manager (SCM) for version control release management and secure code handling.
- Leverage BMC Control-M for job scheduling workflow automation and monitoring batch job execution.
Required skills/Level of Experience:
- Bachelor s degree in Computer Science Information Systems or a related field.
- In-depth knowledge of IBM z/OS assembly language including:
- Assembly instructions addressing modes and data manipulation techniques
- Job control processing and JCL
- Familiarity with IBM mainframe architecture including:
- Storage hierarchy (registers memory I/O)
- System calls (SVCs) and interrupt handling
- Experience with IRS Core Record Layouts (CRL) and QSAM/VSAM data formats (highly desirable).
- Experience with IRS IMF or BMF systems (highly desirable).
- Proficiency with CA Endevor SCM for secure and controlled software development lifecycle management.
- Experience with BMC Control-M for job automation and workflow orchestration.
- Strong understanding of mainframe development tools including debuggers assemblers linkers and utilities.
- Familiarity with DB2 and other legacy data storage formats.
- Understanding of Java programming including:
- Object-oriented principles syntax libraries and frameworks
- Ability to map assembly logic to Java constructs (loops conditionals functions design patterns)
Java
Employment Type
Full Time
Key Skills
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