Senior IBM Workload Scheduler Architect

TechDigital Group

Riverwoods (IL)

On-site

USD 120,000 - 160,000

Full time

14 days+

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Job summary

TechDigital Group in Riverwoods, IL is seeking an experienced IBM Workload Scheduler Administrator to support Dynamic Workload Broker, MDM, DWC, and related components on Linux. Strong scripting, IBM WebSphere Liberty, and AWS skills are required to manage complex production schedules.

The role involves monitoring logs, applying fixes, tuning JVM and OS settings, and ensuring high availability across IWS environments.

Qualifications

Experience with IBM Workload Scheduler architecture and HA configurations.
Proficiency in Linux OS administration and shell scripting.
Familiarity with IBM WebSphere Liberty and related tooling.

Responsibilities

Strong experience with IBM Workload Scheduler architecture, especially Dynamic Workload Broker, V10.1+, high availability of MDMs managing Fault Tolerant Agent and Dynamic 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.
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 messages.log, traces.log, FFDC logs.
Strong grasp of configuring JVM heap sizes.
Strong grasp of configuring tracing scope, tracing levels, tracing retention, and trace strings.
Strong experience with Red Hat Enterprise Linux 8+.
Deep familiarity with bash/shell commands for text processing (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 top, htop, vmstat, iostat, 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 trust stores, 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 basic SQL to query job metadata.
Understanding of checking database connectivity.
Understanding of AWS cloud infrastructure.
Experience with using secrets manager (CyberArk PPM, Hashi Corp Vault, or similar).