100% Remote Fulltime Permanent Role Mainframe Senior Architect

Position: Mainframe Senior Architect

Location: 100% Remote

Duration: Fulltime Permanent Role

Required Qualifications

• Extensive hands-on experience with IBM mainframe performance management and tuning.
• Strong expertise with IBM z/OS and IBM Z architecture.
• Experience working in large multi-LPAR, Parallel Sysplex environments.
• Deep knowledge of Workload Manager (WLM) configuration and tuning.
• Strong experience analyzing SMF and RMF performance data.
• Experience monitoring and optimizing CPU, memory, storage, and workload utilization.
• Strong understanding of Db2, CICS, IMS, and MQ and how these workloads impact overall system performance.
• Experience troubleshooting complex mainframe performance issues in real time.
• Strong hands-on skills with REXX and JCL.
• Experience with performance reporting and analytical tools such as SAS/MXG and OMEGAMON.
• Strong knowledge of mainframe capacity concepts, including MIPS, MSUs, workload forecasting, and capacity modeling.
• Understanding of IBM mainframe software pricing and cost optimization.
• Advanced proficiency with Microsoft Excel and the ability to present complex technical findings to both technical and executive audiences.
• Strong communication and cross-functional collaboration skills.