**Introduction** At IBM Infrastructure & Technology, we design and operate the systems that keep the world running. From high-resiliency mainframes and hybrid cloud platforms to networking, automation, and site reliability. Our teams ensure the performance, security, and scalability that clients and industries depend on every day. Working in Infrastructure & Technology means tackling complex challenges with curiosity and collaboration. You’ll work with diverse technologies and colleagues worldwide to deliver resilient, future-ready solutions that power innovation. With continuous learning, career growth, and a supportive culture, IBM provides the opportunities to build expertise and shape the infrastructure that drives progress. **Your role and responsibilities** As a System Services Representative for zSystem, you will be responsible for on-site installation, maintenance, and repair of Mainframe series equipment, as well as performing services activities such as Technical Delivery Assessment and account management. You will also support problem source identification and resolve incidents to the satisfaction of the customer. Your primary responsibilities will include: • Install and Maintain Equipment: Perform on-site installation, maintenance, and repair of Mainframe series equipment, ensuring timely and effective delivery of services. • Provide Technical Support: Support problem source identification related to installation, update, configuration, operations, or performance, and resolve incidents to the satisfaction of the customer. • Collaborate with Support Centers: Constantly collaborate with professionals in different support centers and business units to achieve high-quality problem resolutions and provide an outstanding IBM service for clients. • Manage Client Relationships: Ensure a high level of client satisfaction with service delivery, technical support, and operational services for the client account(s), and manage critical situations until the problem is fixed. • Advocate for IBM Strategy: Advocate for IBM's technical support strategy and protect revenue base by identifying new services opportunities. **Required technical and professional expertise** * Solid understanding of z/OS services structure, JES concepts, Sysplex configuration, Unix System Services, Comm Server (VTAM, TCP/IP, System Catalog structures, and IODF/HCD). * Systems Programming experience in MVS or Z/OS with knowledge on: * SMP/E * DFSMS, DFHSM, IODF, IOCP * JCL, Catalog Maintenance * Z/OS Security (RACF) * Z/OS Networking (VTAM, TCPIP) * Z/OS Scheduling and Automation such as Control-M, TWS Added advantage with the following skill and system programming experience on: * SKLM disk encryption * Ability to Install, Upgrade and Migration Spectrum Control, Copy Service Manager * Ability to Install, Upgrade and Migration DB2 * Ability to Install, Upgrade and Migration Cobol **Preferred technical and professional experience** 1. Minimum 10 years’ experience working with z/OS System Programming and z/OS Operation 2. Key technical person with hands on experience in (Install and Migrate) for Mainframe technology refresh activities, in relation to z/ OS System Programming and z/OS Operation. Experience includes: * Installation and Migration from older generation to a later generation, such as from z10BC to z14, or from z13 to z15/z16. * System Programming in building IOCP, revising IODF, migrating zCrypto keys, OSA and Comm Server (VTAM, TCP/IP) 3. Key technical person with hands on experience in (Install and Migrate) for Mainframe Storage technology refresh activities, in relation to z/OS System Programming and z/OS Operation. Experience includes: * Installation and Migration from non-IBM to IBM Storage (EMC to DS8xxx, FS95xx) and IBM to IBM Storage Migration (DS8xxx to DS8xxx or FS95xx) * System Programming activities such as IODF for storage (DS8k, vMAX, etc) mapping * Data migration for storage volumes using TDMF / PPRC / zDMF tools. * Spectrum Control skill and Copy Service Manager (CSM) paired replication. 4. Key technical person with hands on experience in (Install and Migrate) for Mainframe backup infrastructure, in relation to z/OS System Programming and z/OS Operation. Experience includes: * Installation and Migration from non-IBM to IBM VE (DELL to TS77xx) and IBM to IBM Storage Migration (TS77xx to TS77xx). * System Programming activities such as IODF for VE, job copy or merge job from old to new volume, backup policies update, VE grid setup and configuration IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.