HLS Support (Mainframe with exp in Java, AWS, Github, Claude code

Capgemini; New York (NY); On-site; USD 41,000 - 65,000; Full time

Job summary

Capgemini in New York, NY is seeking an HLS Support professional for a 1-month contract to analyze and modernize mainframe systems. You will work on COBOL/JCL/DB2/VSAM, participate in migrations to Java on AWS, and use Claude-assisted code transformation tools to support analysis, refactoring, and documentation.

You will collaborate with stakeholders in an Agile environment, perform unit and integration testing, validate equivalence with legacy apps, and support deployments and post-approval

Qualifications

• Detailed system analysis and technical design for mainframe applications.
• Experience with COBOL, JCL, DB2 and VSAM in mainframe environments.
• Familiarity with Java-based modernization and AWS deployment.

Responsibilities

• Perform detailed system analysis, requirement gathering, and technical design for Mainframe applications.
• Develop, enhance, maintain, and support applications using COBOL, JCL, DB2, and VSAM.
• Analyze existing Mainframe batch applications, job streams, business processes, and application dependencies.
• Perform impact analysis to assess effects of changes on upstream and downstream systems.
• Support application rationalization and decommissioning of legacy Mainframe applications.
• Participate in modernization initiatives involving migration to Java on AWS.
• Utilize Claude-assisted code transformation tools for analysis, conversion, and documentation.
• Execute unit testing, integration testing, and support UAT.
• Collaborate with stakeholders in an Agile environment and track work in JIRA.

Tools

COBOL

JCL

DB2

VSAM

AWS Cloud

Mainframe Modernization

Java Development

Claude-assisted Code Transformation

Agile Methodology

JIRA

Job description

HLS Support (Mainframe with exp in Java, AWS, Github, Claude code (Contract)

New York, NY, United States (On-site)

Contract (1 month 30 days)

Published 2 days ago

On hold

technical documentation

cobol

UAT testing

Project Tools

Stakeholder collaboration

unit testing

Key Responsibilities:

Perform detailed system analysis, requirement gathering, and technical design for Mainframe applications.

Develop, enhance, maintain, and support applications using COBOL, JCL, DB2, and VSAM.

Analyze existing Mainframe batch applications, job streams, business processes, and application dependencies.

Perform impact analysis to assess the effects of application changes, modernization efforts, and decommissioning activities on upstream and downstream systems.

Analyze interfaces, data flows, batch schedules, and business rules to identify dependencies, risks, and modernization opportunities.

Support application rationalization and decommissioning of legacy Mainframe applications.

Participate in Mainframe modernization initiatives involving the migration and transformation of COBOL-DB2 applications into Java-based applications on AWS.

Utilize Claude-assisted code transformation tools to support code analysis, conversion, refactoring, and documentation activities.

Execute unit testing, integration testing, and support User Acceptance Testing (UAT).

Validate functional equivalence between legacy Mainframe applications and modernized Java applications.

Participate in production deployments and perform Post Verification Testing (PVT).

Provide periodic testing, production support, troubleshooting, and research support.

Collaborate with business stakeholders, architects, and cross-functional teams in an Agile environment.

Maintain project documentation and work management activities using JIRA.

Be flexible and willing to work across different IST shifts based on project requirements.

Technical Skills:

Mainframe Technologies:

COBOL

JCL

DB2

VSAM

AWS Cloud

Mainframe Modernization

Java Development
Claude-assisted Code Transformation

Legacy Application Assessment and Transformation

Mainframe Batch Analysis

Impact Analysis and Dependency Mapping

Application Rationalization and Legacy System Decommissioning

AWS-based Application Migration and Deployment

Development Methodologies & Tools:

Agile Methodology

JIRA

Core Competencies:

Mainframe Application Development and Support

Batch Processing and File Handling

System Analysis and Technical Design

Application Impact Assessment

Modernization and Migration Planning

Unit Testing and Integration Testing

Production Support and Troubleshooting

The pay range that the employer in good faith reasonably expects to pay for this position is $30.05/hour - $46.95/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.

Tundra Technical Solutions is among North America's leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.