Tivoli Scheduler​/AWS Administrator

The Digital Modernization Sector has an opening for an AWS Administrator/Tivoli Workload Scheduler to support a large healthcare contract.

We are seeking an AWS Administrator/Tivoli Workload Scheduler engineer to support the day‑to‑day operations, security, and performance of our AWS cloud infrastructure while managing enterprise‑level workload scheduling and automation through Tivoli/IBM Workload Scheduler (TWS/IWS). This role is hands‑on and operationally focused, requiring strong troubleshooting skills, disciplined execution, and the ability to support business‑critical batch and cloud‑native workflows.

Maintain the health, security, and performance of AWS environments while ensuring reliable execution of automated job scheduling workflows using TWS.

• Provision, configure, and maintain AWS resources including EC2, S3, IAM, and VPCs in alignment with the AWS Well‑Architected Framework.
• Perform routine system maintenance, patching, and configuration updates across cloud environments.

• Operate and support the TWS/IWS platform, including job stream monitoring, dependency management, and agent health checks.
• Ensure reliable execution of daily and intraday production workloads.
• Monitor batch workloads and ensure successful completion of processes.
• Implement scheduling solutions for application teams.
• Follow enterprise change management processes and procedures.
• Troubleshoot and resolve job failures, scheduling conflicts, and dependency issues.
• Assist with workload automation platform maintenance activities.

• Enforce least‑privilege access controls using AWS IAM.
• Monitor and remediate security findings using tools such as AWS Security Hub.
• Support audit and compliance requirements related to cloud infrastructure and automation platforms.

• Triage, diagnose, and resolve incidents involving AWS infrastructure and failed or delayed scheduling batches.
• Escalate complex issues appropriately and participate in root‑cause analysis efforts.

• Identify performance bottlenecks and inefficiencies related to cloud resource usage and job throughput.
• Implement auto‑scaling, scheduling adjustments, or script improvements to improve performance and control costs.

• Maintain, test, and document backup and disaster recovery strategies for AWS resources and TWS databases.
• Participate in disaster recovery exercises and validate recovery procedures.

• Bachelor’s degree in computer science, Information Technology, or a related field; additional years of experience may be substituted in lieu of degree.

• 4–6 years of experience in IT operations or infrastructure support roles.
• At least 1 year of hands‑on AWS administration experience with limited supervision.
• An understanding of workload automation concepts including job dependencies, workstations, and job streams.
• Ability to analyze logs and diagnose issues.
• Must be able to obtain and maintain a public trust clearance.
• All candidates supporting the CMS programs must have lived in the United States at least three (3) of the last five (5) years.

• AWS Certified Sys Ops Administrator – Associate

• Understanding of TWS distributed architecture, including:
  • Master Domain Manager (MDM):
    Central scheduling authority and database.
  • Dynamic Workload Console (DWC):
    Web‑based interface for job design and monitoring.
  • Agents:
    Including Fault‑Tolerant Agents (FTA) capable of running jobs during temporary MDM communication outages.

• Deploy and manage TWS agents on EC2 instances to execute scripts and applications.
• Support cloud‑native workflow triggers using AWS Lambda or Step Functions integrated with TWS.
• Manage file‑based dependencies leveraging Amazon S3.

• Create, modify, and maintain job definitions, calendars, and scheduling resources.
• Troubleshoot job failures and delays by analyzing logs and predecessor/successor relationships.
• Perform TWS patch upgrades and maintain integrations…