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Legacy Payroll Systems Analyst

Job in New Orleans, Jefferson Davis Parish, Louisiana, 70123, USA
Listing for: CACI International Inc.
Full Time position
Listed on 2026-09-20
Job specializations:
  • IT/Tech
    IT Business Analyst, Database Administrator, Data Analyst
Salary/Wage Range or Industry Benchmark: 85800 - 180200 USD Yearly USD 85800.00 180200.00 YEAR
Job Description & How to Apply Below
Job Title:

Legacy Payroll Systems Analyst Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start:
None Employee Type:
Regular Percentage of

Travel Required:

Up to 25%
Type of Travel:
Continental US*
*
* The Opportunity:

A Federal shared services provider delivers payroll for approximately 605,000 Federal employees across more than 150 agencies. To address inefficiencies in fragmented and aging payroll systems, it is implementing a scalable, cloud-based payroll solution that improves automation, data quality, user experience and compliance, with implementation for the full customer base targeted within eighteen months.

This position supports the core implementation call order, which covers discovery and fit-gap analysis, solution design and configuration, data migration, interface development, testing and parallel payroll validation, and cutover through hypercare . In this role you will analyze the legacy mainframe payroll applications and data structures, and document the business rules, data definitions and interfaces required by the conversion, integration and functional teams.

Work is performed remotely from within the United States, with periodic on-site presence as the assignment requires.

Responsibilities:

Perform application and data analysis of legacy mainframe payroll systems

Analyze COBOL programs, copybooks and file structures to document system behavior and data definitions

Document business rules and processing logic implemented in legacy applications

Analyze reference table data and its effect on payroll processing

Develop data extracts from legacy data sources

Identify active versus obsolete programs, data structures and interfaces

Prepare technical documentation for the conversion, integration and functional teams

Support the conversion and interface teams as the legacy source subject matter expert

Qualifications:

Required:

Must be a U.S. Citizen and able to obtain and maintain a Public Trust clearance

All work is performed from within the United States and its territories, from a work location approved in advance by the customer

Bachelor's degree and 7 years of relevant experience. Additional experience may be substituted for degree.
7 or more years analyzing legacy mainframe systems, including reading COBOL that implements business rules and establishing program behavior where documentation is absent or wrong

Experience with copybook and record-structure analysis — fixed-width and positional data, PIC clauses, implied decimals, and filler accounted for explicitly

Experience extracting data from a non-relational source — CA IDMS, IMS, Datacom, Adabas or VSAM, or another network, CODASYL or hierarchical database

Ability to write extraction programs against a legacy source rather than relying on delivered utilities

Demonstrated experience producing documentation of legacy system behavior as the deliverable

Desired:

Prior experience at a federal payroll shared service provider, or on a federal payroll or HR mainframe system

Federal pay and personnel data familiarity — pay plans, personnel action processing, retirement and benefits codingJCL, DB2, CICS or Assembler, and prior work on delivered mainframe modernization or system replacement

Experience supporting data conversion or interface team as the source-side authority

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions t You Can Expect: A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our…
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