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CACI, INC.-FEDERAL VERIFIED EMPLOYER

Legacy Payroll Systems Analyst.

Business Analysis & Systems Analysis Full-Time
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Legacy Payroll Systems Analyst: our view in 3 lines...

  • The Role:This role supports a federal payroll modernisation programme by analysing legacy mainframe systems and documenting how they work.
  • The Person:The person will analyse legacy payroll applications and data structures, document business rules and interfaces, prepare technical documentation, develop data extracts, and support conversion and interface teams as the source-side authority.
  • Requirements:The ideal candidate has 7 years of relevant experience, a bachelor's degree or equivalent experience, and experience with COBOL, copybook and record-structure analysis, non-relational data extraction, and legacy system documentation.

About the role

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 coding 

  • JCL, 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 at CACI.

What 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 customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range:

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$85,800 - $180,200

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
Published September 16, 2026
Location New Orleans, LA
Category Business Analysis & Systems Analysis  
Job Type Full-Time  

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