Tivoli Scheduler​/AWS Administrator

Description

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

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.
• 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 for at least three of the last five 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 with enterprise monitoring tools such as IBM Tivoli Monitoring.

• Proficiency in Linux/Unix environments.
• Strong scripting skills using Python and/or Bash.
• Experience with automation and configuration tools such as Ansible or AWS Cloud Formation.
• Experience with event‑driven scheduling.
• Experience with file transfer automation (SFTP/FTP).
• Supporting 24/7 enterprise environments.

• Clear operational discipline with attention to detail.
• Abil…