Sr. IWS Administrator

Required Technical Skills:

• Strong experience with IBM Workload Scheduler architecture especially Dynamic Workload Broker V10.1 high availability of MDMs managing Fault Tolerant Agent and Dynamic Agent agent architectures.
• Strong conceptual understanding of Master Domain Manager (MDM) Backup MDM (BMDM) Dynamic Workload Console (DWC) Fault Tolerant Agent (FTA) Dynamic Agent (DA).
• Strong grasp of conman CLI to monitor and control production plan check job/job stream/resource status.
• Strong grasp of composer CLI to define modify and extract scheduling objects.
• Strong grasp of planman CLI to control pre-production plan and GUI mirroring.
• Strong grasp of lifecycle of daily production planning process phases of JNextplan/FINAL.
• Proficiency in navigating the DWC web-based GUI to monitor workloads manage user access security and define scheduling objects.
• Experience installing IWS components applying Fix Packs and Interim Fixes.
• Troubleshooting with logs under TWSDATA/stdlist adjusting trace level for netman batchman writer mailman etc.
• Strong experience with IBM WebSphere Liberty.
• Strong grasp of reading FFDC logs.
• Strong grasp of configuring JVM heap sizes.
• Strong grasp of configuring tracing scope tracing levels tracing retention.
• Strong experience with Red Hat Enterprise Linux 8.
• Deep familiarity with bash/shell commands for text processing (for example grep awk sed) file manipulation and system navigation.
• Ability to manage start stop and troubleshoot SystemD services using systemctl and journalctl for IWS agents and MDM.
• Managing user accounts groups service accounts and deep knowledge of Linux file permissions (chmod chown ACL on local filesystems and NFS).
• Ability to monitor system performance using tools like top htop vmstat iostat and sar to troubleshoot bottlenecks and platform unresponsiveness.
• Understanding of Logical Volume Manager (LVM) and filesystem usage.
• Checking TCP port availability firewall rules (firewalld/iptables) and connectivity between MDM and Dynamic Agents using netstat ss ping curl etc.
• Managing SSL/TLS certificates private keystores public truststores and working with Certificate Authority.
• Strong experience with scripting (Bash Shell Python etc.) for automation.
• Understanding of networking principles.
• Understanding of basic Oracle database administration enough to troubleshoot with DBAs to prove when an issue is in Oracle.
• Understanding of basic SQL to query job metadata.
• Understanding of checking database connectivity.
• Understanding of AWS cloud infrastructure.
• Experience with using secrets manager (CyberArk PPM Hashicorp Vault or similar).