Business Systems Analyst; BSA - Systems Integration

Business Systems Analyst (BSA) - Employee Systems Integration

Anywhere

Type: Contract

Category: Business Analysis

Industry: Technology

Workplace Type: Remote

Reference : JN -

Date Posted: 01/22/2026

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Description:

Our Fin Tech client is undertaking a large-scale initiative to consolidate employees, data, and operational workflows from a subsidiary or acquired company into its core HR, payroll, benefits, and workforce-management platforms.

The Business Systems Analyst (BSA) will play a key role in understanding existing systems, evaluating data migration approaches, and enabling a seamless transition of employees and business processes into the parent company’s enterprise ecosystem.

Due to client requirements, applicants must be willing and able to work on a W2 basis. For our W2 consultants, we offer a benefits package including Medical, Dental, and Vision, 401k with company matching, and life insurance.

Rate: $70.00 to $80.00/hr w2

• Conduct in-depth analysis of the acquired company’s HRIS platform and associated HR, payroll, benefits, and workforce applications.
• Document end-to-end processes across areas such as:
• Benefits administration
• Payroll and taxation
• Leave of absence
• Direct deposit and bank account setup
• Core employee data management
• Perform gap analysis between legacy systems and the parent organization’s platforms.
• Identify all employee data sources and determine which data should be migrated, normalized, recreated, or retired.
• Assess data structures, custom configurations, and historical records to determine essential data for transition.
• Develop data mapping, transformation logic, and validation rules to ensure accuracy and compliance.
• Partner with HRIS, Payroll, Benefits, IT, and Engineering teams to design and implement the migration workflow.
• Support data extraction from legacy systems and ensure accurate ingestion into target platforms.
• Validate payroll-critical data elements, including bank account and direct deposit information, tax deductions and with holdings, benefits eligibility and enrollment, and leave balances, history, and status.
• Analyze any existing expert, contractor, or workforce portals used by the acquired entity.
• Determine the optimal strategy for transitioning users to the parent organization’s workforce or expert platform.
• Define data requirements, access rules, identity mapping, and eligibility criteria.
• Evaluate each system and dataset to determine whether it should be fully migrated, rebuilt in the new environment, or temporarily maintained with a planned sunset.
• Provide clear, data-driven recommendations with risks, dependencies, and downstream impacts articulated for stakeholders.
• Facilitate alignment among HR, Payroll, IT, Security, Legal, Product, and other relevant teams.
• Maintain comprehensive documentation including system inventories, process flows, data dictionaries, migration requirements and decision logs.
• Support UAT, issue resolution, and readiness activities for each migration wave.

• Strong functional expertise in HRIS systems, particularly HCM, Payroll, and Benefits modules.
• Experience with large-scale employee data migrations, system consolidation, or post-acquisition integration.
• Advanced data analysis, mapping, and validation capabilities.
• Ability to translate complex technical and operational processes into clear, actionable requirements.
• Experience with external workforce, contractor, or expert-management platforms is a plus.

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening process. You may receive email and SMS notifications inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in reviewing application materials and identifying candidates whose qualifications closely match the position.

All AI-assisted evaluations are reviewed by human recruiters before any hiring decisions are made. The use of AI is intended to support fairness, efficiency, and consistency, and Eliassen Group takes…