Data Specialist

Ascendion; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading data management firm in the UK is seeking a detail-oriented Data Specialist to manage and analyze data across enterprise systems. This role supports critical business intelligence and decision-making processes by ensuring data accuracy and integrity. Ideal candidates have 3–6 years of experience, strong SQL and Excel skills, and proficiency in data visualization tools. The role offers opportunities for collaborative work and process improvement.

Qualifications

• 3–6+ years of experience in data management or analysis.
• Strong knowledge of SQL and Excel.
• Experience with data visualization tools.

Responsibilities

• Collect, clean, and maintain large volumes of data.
• Ensure data accuracy and integrity across systems.
• Develop and maintain reports and dashboards.

Skills

Data management

Data analysis

SQL

Excel

Data visualization tools

Attention to detail

Communication

Tools

Tableau

Power BI

ETL tools

Oracle

SQL Server

PostgreSQL

MySQL

Job description

Overview

Job Title: Data Specialist

Role Summary: We are looking for a detail-oriented Data Specialist to manage, analyze, and maintain data across enterprise systems. The role involves ensuring data accuracy, integrity, and accessibility while supporting business intelligence, reporting, and decision-making processes. The Data Specialist will collaborate with cross-functional teams to align data management practices with business needs.

Responsibilities

• Collect, clean, validate, and maintain large volumes of structured and unstructured data.
• Ensure data accuracy, consistency, and integrity across databases and systems.
• Support data extraction, transformation, and loading (ETL) processes.
• Develop and maintain reports, dashboards, and data visualizations to support business insights.
• Collaborate with business analysts, data engineers, and stakeholders to define data requirements.
• Monitor data pipelines and resolve data quality or processing issues.
• Implement and enforce data governance, security, and compliance policies.
• Contribute to process improvements in data management and reporting workflows.

Required Skills & Experience

• 3–6+ years of experience in data management, data analysis, or related roles.
• Strong knowledge of SQL, Excel, and relational databases (Oracle, SQL Server, PostgreSQL, MySQL).
• Experience with data visualization tools (Tableau, Power BI, Qlik).
• Familiarity with ETL tools and processes.
• Understanding of data governance, data quality, and compliance standards.
• Strong analytical and problem-solving skills with attention to detail.
• Excellent communication and documentation abilities.

Preferred

• Exposure to cloud data platforms (AWS Redshift, Azure Synapse, Google BigQuery, Snowflake).
• Knowledge of Python, R, or other scripting languages for data manipulation.
• Experience in banking, financial services, or enterprise IT environments.