Senior Developer – Mainframe / Assembler (z/OS, TPF)

HCL Tech Job Summary The Technical Specialist in Mainframe Cobol, DB2, VSAM, JCL, Mainframe CICS will be responsible for designing, developing, and maintaining mainframe applications using various technologies. The role involves ensuring the stability and performance of mainframe systems while collaborating with cross functional teams to deliver high-quality solutions. Job Description * Good experience in IBM Mainframe (z/OS) areas * Good knowledge in IBM COBOL, JCL, File Systems * Good exp

Mainframe System Programmer in zOS Remote Long Term Contract Need Texas Local(Remote) Job Responsibilities Perform standard system programming activities like configuration, installation & maintenance using SMP/E, and vendor software installations in the mainframe environment.Perform Operating System upgrade and RSU maintenance via z/OSMF Workflow.Advanced System Management: Architect, install, and configure highly complex z/OS environments and third-party software.Support Software Standardiza

Provide code fixes across PL/I , Assembler ,COBOL,SAS REXX ,CLIST and JCL Modules. Prepare Enhancements and Minor Functional changes Identify and remediate Vulnerabilities in mainframe modules or JCL flows. Perform Analysis of production issues impacting dispatch, Inventory or planning systems. Thoroughly test all software changes using approved test suites. Successfully build and deploy all software changes through Endevor across multiple regions. Debug and resolve abends using Abend -Aid , Fau

Job description of Mainframe Network Engineer Architect, deploy, and manage mainframe network environments using VTAM, SNA, TCP/IP, DVIPA/DDVIPA, Sysplex Distributor, and HiperSockets. Continuously monitor network performance, latency, throughput, and traffic using tools like OMEGAMON, RMF, IBM NetView, Wireshark, and SolarWinds. Diagnose and resolve performance bottlenecks and protocol mismatches. Implement and enforce security protocols including RACF, IP filtering, AT-TLS encryption, IPSEC