Mainframe Software Engineer

7 days ago


India PKWARE Full time

PKWARE is seeking a Mainframe Software Engineer with deep expertise in Assembler (HLASM) and C programming within IBM z/OS environments. You will design, develop, and maintain enterprise-grade mainframe software solutions , ensuring high performance, reliability, and security . Develop, enhance, and maintain applications on IBM z/OS using Assembler, C, JCL, REXX , and related technologies. Participate in the full SDLC: requirements analysis, design, coding, testing, and production support. Optimize performance, troubleshoot defects, and ensure system reliability. Collaborate with cross-functional teams (System Engineers, QA, DevOps, Business Stakeholders). Maintain technical documentation, coding standards, and operational procedures. 5+ years of programming experience in: ~ Assembler / HLASM (on z/OS) ~ Comprehensive expertise in IBM subsystems and z/OS internals: cross-memory services, SRB management, Program Call routines, interlanguage communication (Assembler, Java, C, REXX). ~ Extensive experience in APF-authorized code development and secure, high-performance system-level modules. ~ Advanced debugging using XDC, IPCS, dump analysis for complex system issues. ~ Experience with Agile/Scrum methodologies for mission-critical software delivery. Knowledge of Zowe, z/OSMF, RESTful APIs , modernization/integration projects. Strong Java development skills (JZOS, JNI, batch-mode applications). Familiarity with ICSF, RACF , SMP/E packaging, SBOM compliance (CycloneDX/SPDX). Bachelor’s degree in computer science, software engineering, IT, or equivalent experience. Competitive salary and benefits. Professional growth and training on modern mainframe and hybrid cloud technologies. PKWARE delivers the only data discovery and protection solution that locates and secures sensitive data across any device or environment. Our scalable software enables precise, automated visibility and control of personal data—even in the most complex IT environments. With 1,200+ customers , including leading financial institutions, retailers, healthcare organizations, and government agencies, PKWARE is an award-winning global leader in data security and compliance.



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