Senior Associate

TekWissen LLC; Riverwoods (IL); Hybrid; USD 96,000 - 138,000; Full time

Job summary

TekWissen LLC seeks a Senior Associate in Riverwoods, IL for a 6-month hybrid assignment. The role focuses on IBM Workload Scheduler architecture, CLI-based management, and Linux system administration.

The candidate will install IWS components, apply patches, monitor logs, and troubleshoot performance. Strong scripting and cloud knowledge are required, with collaboration across teams.

Qualifications

• Extensive experience with IBM Workload Scheduler architecture and related components (MDM/BMDM/FTA/DA).
• Proficient in using conman, composer and planman CLIs to manage scheduling objects and production plans.
• Experience installing IWS components and applying patches/fixes.
• Strong Linux system administration and shell scripting background.
• Familiar with monitoring logs (logs, FFDC) and trace levels.
• Knowledge of AWS cloud infrastructure and secrets management.

Responsibilities

• Monitor and control production plans using DWC and CLIs.
• Install and configure IWS components and apply Fix Packs.
• Troubleshoot based on logs (logs, FFDC), adjust trace levels.
• Manage systemd services for IWS agents and MDM.
• Monitor system performance and diagnose bottlenecks.
• Collaborate with DBAs on Oracle connectivity and SQL basics.

Skills

IBM Workload Scheduler

Linux administration

Scripting (Bash, Python)

Networking principles

Log analysis

Cloud (AWS)

Systemd/journalctl

Java/Oracle basics

Tools

IBM Workload Scheduler components (MDM, DWC, FTA, DA)

WebSphere Liberty

Conman/Composer/Planman CLIs

Red Hat Enterprise Linux 8+

Job description

Overview:

TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide. Our client is an American multinational information technology services and consulting company and is a leading provider of information technology, consulting, and business process outsourcing services, dedicated helping the world's leading companies build stronger businesses.

Job Title: Senior Associate
Location: Riverwoods, IL
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Hybrid

Job Description:

• 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.
• 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, 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).

Years of Experience:

• 11 Years of Experience

TekWissen Group is an equal opportunity employer supporting workforce diversity.