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Location: Riverwoods, IL

IBM Workload Scheduler (IWS) Administrator / Infrastructure Engineer

Role Overview

• Ability to modernize, implement, install, configure, upgrade, migrate, develop, or design IBM Workload Scheduler (IWS) / IBM Workload Automation (IWA) solutions.
• Support migration activities across pre-production and production environments.
• Participate in knowledge transfer and documentation to enable team self-sufficiency.

Position Details

• Title: IBM Workload Scheduler Administrator / Infrastructure Engineer
• Reports To: Senior Manager, Software Engineering
• Work Schedule: Monday Friday, 9:00 AM 5:00 PM (US Central)
• Full-time position with:
  • Occasional weekend change-control support
  • Rotating on-call schedule shared with two other team members
• Location: Riverwoods, IL (Preferred: 3 days onsite per week)
  • Remote may be considered for exceptional candidates

Job Summary

• Seeking a highly skilled professional with 3 5+ years of dedicated IBM Workload Scheduler administration experience.
• Responsible for managing, maintaining, and optimizing enterprise batch scheduling infrastructure.
• Primary environment hosted on Red Hat Enterprise Linux (RHEL).
• Requires strong expertise in:
  • IBM Workload Scheduler (IWS)
  • Linux System Administration
  • Scripting and Automation
• Focus on ensuring high availability and reliable execution of critical business workloads.

Key Responsibilities

IBM Workload Scheduler Administration

• Administer Production IBM Workload Scheduler (formerly Tivoli Workload Scheduler) environment:
  • 28,000 unique daily jobs
  • Approximately 350,000 daily job runs
  • 44 servers
  • Three additional change-control environments
• Install, configure, administer, patch, and upgrade IWS components:
  • Master Domain Manager (MDM)
  • Dynamic Agents
  • Dynamic Pools
  • Dynamic Workload Console (DWC)

Change Management & Governance

• Work closely with Product Owners and communicate workstreams through Jira.
• Manage job promotions using a Workload Application Template-based process.
• Perform safety and stability assessments for all job promotions.
• Manage change control across four separate environments.
• Enforce change management standards, policies, and governance.

Platform Availability & Operations

• Maintain and continuously improve Production platform uptime target of 99.17% per month.
• Follow SOPs, DevOps practices, and disciplined change-control processes.
• Coordinate platform-impacting communications to a user community of approximately 500 developers and data engineers.
• Support Production infrastructure consisting of:
  • 44 servers
  • MDM, DWC, and Agent environments

Troubleshooting & Support

• Resolve:
  • Complex job failures
  • Performance bottlenecks
  • Agent-related issues
  • Infrastructure-related issues
• Provide guidance on complex job scheduling designs to less experienced team members.

Monitoring, Security & Compliance

• Monitor scheduler platform health and performance.
• Manage database maintenance activities.
• Perform backup, disaster recovery, and monthly failover testing.
• Define and maintain:
  • Security policies
  • User authorizations
  • Authentication for Dynamic Workload Console (DWC)
• Respond to:
  • Cybersecurity vulnerability assessments
  • PCI compliance audits
  • Other regulatory audit requests

Automation & DevOps

• Design and implement Ansible-based automation solutions.
• Develop self-healing mechanisms to reduce unplanned outages.
• Coordinate with offshore teams performing SOP activities during non-business hours.
• Develop automation scripts using:
  • Python
  • IWS REST APIs

Required Technical Skills:
Strong experience with IBM Workload Scheduler architecture, especially Dynamic Workload Broker, V10.1+, high availability of MDM s 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 messages.log, traces.log, 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 DBA s 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.