> Markdown version of [/jobs/ext/734428-legacy-data-specialist](https://www.wearedevelopers.com/jobs/ext/734428-legacy-data-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Legacy Data Specialist - **Company:** The Alliance - **Location:** Conroe, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Data Analysis, Data Governance, Extract Transform Load (ETL), Data Transformation, Data Migration, Data Profiling, Relational Databases, Database Testing, Human Resources Information System (HRIS), Python (Programming Language), Scripting, Databricks - **Published:** June 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=37fb6f9d0f77971f ## About the Role Do you have experience in Technical documentation?, * 3+ years of experience in data migration, database administration, or data analysis * Advanced proficiency in ETL processes, relational database structures, and Microsoft Excel * Working knowledge of SQL querying * Familiarity with data governance principles and the secure handling of sensitive PII * Sharp attention to detail with a methodical approach to quality assurance and documentation * PREFERRED - Experience migrating data from legacy HCM or payroll platforms * PREFERRED - Knowledge of automated data testing frameworks, scripting languages like Python or Databricks, and/or HRIS data models and payroll structures * PREFERRED - Familiarity with data governance programs or PII compliance frameworks ## Description Pay is based on experience. Keep growing within the industry and help ensure daily success as our Legacy Data Specialist!, You'll oversee the accurate, efficient, and timely migration of legacy HR and payroll data into our platform, working with clients' HR staff as needed to ensure smooth integration. This role ensures that high volumes of historical employee data are properly extracted, cleansed, transformed, and loaded into the system, supporting functional team members as needed in proactively identifying and addressing data discrepancies, missing values, and formatting errors. You'll also work with the clients' HR teams to learn legacy data requirements and create customized data transformation and mapping rules. Before any systemic import, you'll perform thorough data profiling, manual reconciliation, and algorithmic validation to verify that all data is accurate and complete. When ready, you'll oversee the formal data hand-offs to the project manager and provide them with the required technical documents. You'll also find ways to improve and optimize our migration templates, scripts, and workflows, helping make every day slightly more efficient and timely. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Replacing Excel with SAP APIs & Python validation](https://www.wearedevelopers.com/videos/1944-replacing-excel-with-sap-apis-python-validation) - [Cutting LLM Costs Without Cutting Quality: How to Beat Proprietary LLMs with Fine-Tuned Open Source](https://www.wearedevelopers.com/videos/100151-cutting-llm-costs-without-cutting-quality-how-to-beat-proprietary-llms-with-fine-tuned-open-source) - [JavaScript? No. Java Scripts! - Scripting with Java](https://www.wearedevelopers.com/videos/2094-javascript-no-java-scripts-scripting-with-java) - [OLTP in the Lakehouse: Redefining Data for AI Workloads](https://www.wearedevelopers.com/videos/2038-oltp-in-the-lakehouse-redefining-data-for-ai-workloads) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)