Application Modernization Engineer (AIX to Linux / WAS to JBoss)

Application Modernization Engineer (AIX to Linux / WAS to JBoss)

Contract

Location: 100 % Remote

Direct Client

Skills:

TECHNICAL SKILLS

Must Have

1. AIX Administration
2. Application migration planning
3. Audit and logging setup
4. Configuration file translation
5. Data migration techniques
6. Filesystem management
7. Java/J2EE deployment
8. JBoss Web Server setup
9. Linux System Administration
10. Load Testing
11. Monitoring Tools
12. Network/Systems - Operating Systems
13. Performance Tuning
14. permissions management
15. Regression Testing
16. Shell Scripting
17. SSL/TLS configuration
18. User and group management
19. WebSphere Application Server configuration

Nice To Have

1. Ansible
2. AppDynamics
3. AWS
4. Azure
5. CI/CD pipelines,
6. Docker
7. Dynatrace
8. GitHub Actions
9. Jenkins
10. OpenShift
11. Podman
12. Splunk
13. Terraform
14. VMware

JOB DESCRIPTION

Overview:

We are seeking a skilled and motivated Application Modernization Engineer to lead and execute the migration of legacy applications from AIX to Linux and transition middleware from WebSphere Application Server (WAS) to JBoss Web Server (JWS). This role is critical to our infrastructure modernization strategy and will directly impact performance, scalability, and maintainability of our commercial banking platform.

Key Responsibilities:

Lead the technical execution of migrating applications from AIX to Linux environments.

Plan and implement the transition from WebSphere Application Server to JBoss Web Server.

Analyze existing application configurations, dependencies, and performance characteristics.

Translate and refactor configuration files, scripts, and deployment artifacts.

Collaborate with development, infrastructure, and security teams to ensure seamless migration.

Conduct performance tuning, regression testing, and validation post-migration.

Document migration procedures, runbooks, and knowledge transfer materials.

Ensure compliance with security, audit, and operational standards.

Technical Skills:

AIX administration, Linux system administration, Shell scripting, Filesystem management, Permissions management, WebSphere Application Server configuration, JBoss Web Server setup, Java/J2EE deployment, Application migration planning, Data migration techniques, Configuration file translation, Performance tuning, Regression testing, Load testing, Monitoring tools, SSL/TLS configuration, User and group management, Audit and logging setup

Qualifications:

5+ years of experience in system administration and application server management.

Proven experience in platform migration projects, especially AIX to Linux and WAS to JWS.

Strong understanding of enterprise middleware and Java-based applications.

Excellent troubleshooting, documentation, and communication skills.

Bachelor s degree in Computer Science, Engineering, or related field (or equivalent experience).