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Data Management Intern

SD Worx HCM B.V.

IND sponsorRotterdam

About the role

As Data Management Intern, you will support the CRM implementation project by preparing, validating, cleaning, and structuring business data for successful migration into Salesforce. You will work extensively with Excel to perform data analysis, matching, reconciliation, and quality checks, ensuring accuracy and consistency across datasets. In this role, you will collaborate with multiple business teams to identify and resolve data issues, maintain data integrity, and contribute to the overall success of the CRM transformation initiative.

What you'll do

Clean, validate, and organize datasets prior to import Review and correct inconsistent, duplicate, or incomplete records Perform data matching and reconciliation across multiple sources Support customer, account, contact, and product data preparation activities Create and maintain Excel-based validation and control files Identify data quality issues and escalate exceptions Assist with mapping and structuring information according to predefined business rules Support reporting and progress tracking activities Collaborate with Sales, Operations, Product, and Project teams Participate in testing and verification of imported data

What you'll bring

Student or recent graduate in Economics, Business Administration, Computer Science, Engineering, Mathematics, Statistics, or a related field Strong attention to detail and analytical mindset Comfortable working with large volumes of data Good organizational skills and ability to follow structured processes Good English communication skills (written and spoken) Ability to work independently and in a multi-team project mode (meet deadlines) Advanced Microsoft Excel knowledge, including: - XLOOKUP, VLOOKUP, INDEX/MATCH - Pivot Tables and Pivot Charts - Conditional Formatting - Data Validation rules - Text-to-Columns, Flash Fill, Remove Duplicates - Advanced filtering and sorting - IF, IFS, SUMIFS, COUNTIFS and logical formulas - Data cleansing and standardization techniques - Working with large datasets (10,000+ records) - Cross-file data reconciliation and matching - Error identification and data quality checks Basic Power Query knowledge is considered a strong advantage Salary range information will be shared with candidates during the initial interaction with the Talent Acquisition team, either by phone or email. SD Worx values diversity and inclusion in the workplace. We welcome applications from all qualified candidates regardless of origin, nationality, gender, gender identity, sexual orientation, age, disability, religion, ethnic or social background, or stage of life. All hiring decisions are made based on skills, experience and role‑related qualifications.

What's on offer

Fixed-term internship until end of November 2026 Hybrid working arrangement Hands-on experience in a large-scale implementation project Exposure to data quality, master data management, and business processes Experience working with cross-functional teams Mentoring and practical learning opportunities Real business impact from day one Weekly in‑office massage sessions Fresh fruit delivered to the office every two weeks

About the company

SD Worx is a leading European provider of Payroll & HR services with global reach. We have offices across Europe and in Mauritius. Our purpose is to bring people solutions to life, enabling organisations of all sizes to turn Human Resources into a source of value for both the business and its people. Our people solutions cover the entire employee journey – from getting people paid to attracting, rewarding and developing talent.

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