Description:

We are seeking an experienced Senior Middleware Specialist to provide strategic and technical leadership for the migration of multiple mission-critical enterprise applications from on-premises infrastructure to Amazon Web Services (AWS). The consultant will support the migration and modernization of a complex application portfolio that includes Merative Cúram, Oracle Siebel, Oracle e-Business Suite, IBM Business Automation Workflow (BAW), Informatica, Cognos, WebSphere, WebLogic, Oracle databases, and related shared services.

The engagement will focus on a phased "migrate first, modernize second" approach, involving:

- Application and database migration to AWS

- Oracle Database upgrades (19c to 26ai)

- Infrastructure modernization

- Security and identity integration

- Migration planning and execution

- Future-state containerization and deployment to Amazon EKS

Key Responsibilities:

Migration Strategy and Architecture:

- Assess and validate migration approaches for the mission-critical applications, and related systems.

- Develop detailed AWS migration strategies, roadmaps, and migration waves.

- Produce target-state cloud architecture designs and transition plans.

- Validate application, infrastructure, integration, and database dependencies.

- Design and review AWS architecture including VPCs, EC2s, EBS, S3, Route 53, Load Balancers, Transit Gateway, Network segmentation, Security Groups, IAM, CloudWatch, Backup and Disaster Recovery

- Ensure alignment with government security, compliance, and operational standards.

Application Migration:

- Provide guidance and implementation support for migration of Merative Cúram applications, Oracle Siebel CRM, Oracle e-Business Suite, IBM Business Automation Workflow (BAW), WebSphere Application Server, WebLogic, Cognos Analytics, Informatica, Shared services and integration platforms

Containerization and Cloud Modernization:

- Support future modernization initiatives including Java upgrades to Java 21, Migration from traditional WebSphere to WebSphere Liberty, Kubernetes architecture and implementation, Amazon EKS deployment strategy, CI/CD automation and DevOps practices, Infrastructure as Code (IaC)

Security and Identity:





- Review cloud security architecture.

- Design IAM and access management strategies.

- Integrate enterprise identity and SSO services.

- Support secure connectivity between AWS and on-premises environments.

- Assess compliance, audit, and operational controls.

Migration Governance:

- Produce architecture decisions and technical documentation.

- Identify and manage migration risks and mitigation plans.

- Facilitate architecture reviews and technical workshops.

- Mentor internal teams and transfer knowledge.

- Support procurement, project planning, and executive reporting.

Requirements

Experience and Skill Set Requirements:

Must Haves:

- Experience in middleware software installation, configuration, tuning, system optimization and administration, as well as experience with application development

- Experience with middleware and gateways

- Hands-on experience with AWS or other cloud provider platforms migrating, deploying and managing cloud-native applications and services

- Experience with DevOps tools such as CodePipeline, CDK/CloudFormation, Kiro, CloudWatch, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, or others

- Experience with web and applications tier servers

Skill Set Requirements:

General Skills:

- Hands-on experience with AWS or other cloud provider platforms migrating, deploying and managing cloud-native applications and services

- Experience with DevOps tools such as CodePipeline, CDK/CloudFormation, Kiro, CloudWatch, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, or others.

- Experience with web and applications tier servers

- Experience in middleware software installation, configuration, tuning, system optimization and administration, as well as experience with application development

- Experience with middleware and gateways





- Experience on application monitoring and support

- Experience Building and maintaining automated pipelines for build, test, and deployment

- Experience building and deploying containers and workload orchestration platform

- Experience with development framework/technologies

- Experience with change management and release management as processes supporting the implementation of large applications

- Experience with incident and problem management processes

- Experience in structured methodologies for the design, development, implementation and maintenance of applications

- Experience producing design artefacts, code, configurations, scripts, and test cases

- Ability to analyze the results from functional, security, load-and-stress testing and resolve reported issues

- Ability to analyze and solve data integrity, security, configuration and recovery issues

- Assess and test Change Requests (CRQ) with technical content and updating as necessary

- Ability to participate in release promotions/implementations
- A team player with a track record for meeting deadlines

Desirable Skills:

- Knowledge of GO-PKI Security or similar public/private key Infrastructure

- Experience conducting system and application monitoring and performance and data integrity in accordance with ITIL standards

- Experience sustaining large application implementations based on the following technology products:

- Merative Curam

- IBM WebSphere

- IBM Cognos Analytics

- IBM Business Automation Workflow

- Red Hat Enterprise Linux and Apache httpd

- Oracle Database 19c (and later)

- Oracle Directory Server Enterprise Edition

- Oracle Siebel

- Oracle Identity Manager / Oracle Internet Directory

- Oracle Analytics Server

- Oracle Intelligent Advisor

- Oracle Enterprise Business Suite (eBS)

- Informatica PowerCentre

- CTRL-M Workload Automation

- Nagios, Prometheus, DynaTrace, Grafana, SiteScope and other monitoring tools

- OpenSearch, Logstash

- Red Hat Enterprise Linux and Windows Server

- Docker, Kubernetes, EKS, AKS

Middleware Operational Support

Cloud-based Services and Migration

Service Management

📌 Middleware Specialist - Senior (Toronto)
🏢 Maarut
📍 Toronto