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Legacy Engineer Jobs (NOW HIRING)

Electrical Engineer

Mossville, IL ยท On-site

$44.22/hr

Project Engineer - Legacy Engineering & Sustainment Role: The Electronic component project engineer is responsible for executing component and system level sustainment, obsolescence mitigation, and ...

$60 - $80/hr

Project Engineer - Legacy Engineering & Sustainment Role The Electronic component project engineer is responsible for executing component and system level sustainment, obsolescence mitigation, and ...

Lead Engineer, Legacy Software Baseline Location: REMOTE (U.S) Clearance: Secret SUMMARY The Air Force C2SET (Command and Control Simulation, Emulation, and Training) program delivers advanced ...

RIT Solutions, Inc. is seeking a Legacy Modernization Developer to support modernization initiatives focused on transforming legacy systems into scalable, cloud-based, AI-enabled applications. The ...

$80 - $100/hr

The Legacy Program is Palo Verde's pipeline hiring program for new engineers. Through this program, engineers will build their knowledge and skills through a combination of on-the-job training ...

The successful candidate will play a pivotal role in uncovering the intricacies of our legacy ... The role demands a deep understanding of legacy programming languages, analytical prowess, and the ...

The successful candidate will play a pivotal role in uncovering the intricacies of our legacy ... The role demands a deep understanding of legacy programming languages, analytical prowess, and the ...

The successful candidate will play a pivotal role in uncovering the intricacies of our legacy ... The role demands a deep understanding of legacy programming languages, analytical prowess, and the ...

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Mainframe Legacy Modernization Engineer

Jersey City, NJ โ€ข On-site

Saransh Inc
IT Servicesย โ€ขย 51 - 200 employees

$51.25 - $65.75/hr

Contractor

Re-posted 20 days ago


Job description

Role: Mainframe Legacy Modernization Engineer
Location: Jersey City, NJ (Onsite from Day 1) - Locals highly preferred
Job Type: Contract
 

*LOCAL CANDIDATES ONLY*
*THE CLIENT INTERVIEW MAY BE IN-PERSON OR VIRTUAL, CANDIDATES MUST BE OPEN TO BOTH*
*Mainframe - CICS IS A MANDATORY SKILL*]

Skill Metrics:

DB2

Yes

Cobol

Yes

Mainframe CICS

Yes

VSAM

Yes


Job Description:

  • Analyze complex mainframe applications (COBOL, CICS, JCL, DB2, VSAM, MQ) to understand business rules, data flows, batch cycles, and system interdependencies.
  • Perform inventory analysis, call-chain analysis, and functional decomposition of monolithic applications.
  • Extract and document technical and business rules using automated discovery or reverse-engineering tools.
  • Design and implement modernization strategies including re-host, re-platform, re-factor, re-architect, replace, or retire approaches
  • Convert or refactor legacy COBOL logic into modern languages such as Java using automated tools or manual re-engineering techniques.
  • Apply incremental modernization patterns such as strangler-fig and coexistence models to reduce migration risk.
  • Modernize JCL-based batch processes into cloud-native batch frameworks (e.g., Spring Batch, workflow orchestration).
  • Support migration or re-engineering of scheduling, file transfer, and output management components.
  • Ensure functional parity and data integrity between legacy and modernized systems.

Job Requirements:

  • 8–10 years of overall IT experience with a strong focus on mainframe application development and modernization.
  • Expert-level proficiency in COBOL and CICS transaction programming
  • Strong command of JCL, z/OS utilities (SORT, IDCAMS, IEBGENER), and batch processing
  • Deep knowledge of DB2 — SQL optimization, bind/rebind, and performance tuning for large financial datasets
  • Solid experience with VSAM file structures and access methods
  • Experience with API design, REST services, and integration middleware.
  • Knowledge of modernization patterns such as re-host, re-platform, re-write, and strangler-fig approaches.
  • Experience and knowledge working in Banking domain