Senior Mainframe Architect

Job Title: Mainframe Systems Programmer/Architect Duration: 6 months Location: Downey CA Job Description: Overview The Mainframe Systems Programmer/Architect is a senior technical expert responsible for leading and supporting complex mainframe infrastructure projects. This role includes the planning, installation, configuration, and maintenance of core z/OS and related software products to support business needs. The position requires deep technical expertise in mainframe hardware and software, performance optimization, and modernization initiatives. Key Responsibilities Lead the planning, installation, configuration, and support of core z/OS and ISV products. Oversee modifications, testing, implementation, and maintenance of mainframe hardware and software. Manage mainframe physical components, including: Central Processor Complex (CPC), processor types, and specialty engines (zIIPs, zAAPs, IFLs). Hardware Management Console (HMC) for system management, LPAR initialization, CPU configuration, and troubleshooting. I/O structures, Channel Path Identifiers (CHPID), and hardware resources using HCD/IOCP . Manage mainframe storage systems (DASD, tape storage) and implement storage management concepts such as DFSMS . Configure and support networking components and protocols in the mainframe environment, including TCP/IP and hardware-assisted networking. Plan, manage, and implement hardware upgrades (new processors, memory, expanded I/O) using tools like z/OSMF workflows . Oversee and optimize Parallel Sysplex environments , including Coupling Facility and shared resources. Execute major z/OS and ISV product upgrades , ensuring compliance and stability. Perform monitoring and performance tuning using tools like RMF and WLM . Manage file systems, security, and automation using tools such as z/OSMF , NetView , REXX , and automation scripts. Conduct deep-level problem analysis, including reading/interpreting system dumps ( IPCS ). Utilize skills in z/OS, z/OSMF, FOCUS, KOMAND, CLIST, ASSEMBLER, REXX, SMP/E, DFHSM, ISH, OMVS, ACF2, CA Tools, and BMC Tools . Required Experience 7 years (within the last 10 years) in strategic planning for mainframe hardware/software roadmaps, disaster recovery, and modernization. 7 years (within the last 10 years) managing and optimizing complex, high-availability Parallel Sysplex environments . 7 years (within the last 10 years) leading mainframe hardware upgrades and installations. 7 years (within the last 10 years) using modern integration techniques (e.g., hybrid cloud, DevOps pipelines, z/OSMF ). 7 years (within the last 10 years) presenting technical strategies, risk assessments, and project updates to technical teams and executives. 7 years (within the last 10 years) leading technical teams and fostering professional growth. Education Bachelor's degree in Information Technology or a related field (required).

Created: 2025-09-25