Senior Data Analyst

Netcompany Group A/S; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Hybrid working

Private medical insurance

Pension & Life Assurance

Certifications support

Retail discounts

Employee Resource Groups

Job summary

Netcompany is seeking a data migration analyst to shape the success of a complex migration by profiling unfamiliar datasets, validating data with repeatable checks, and quantifying impact. You will write SQL/Python to profile data, detect exceptions, and perform source-to-target reconciliation across organisations, while presenting findings to technical and non-technical stakeholders.

The role involves collaborating with data engineers, data owners and clients, using tools like Excel, Power BI

Qualifications

• Experience profiling unfamiliar datasets and tracing data quality issues to their root cause in a migration context.
• Strong SQL skills for complex joins, window functions, anomaly detection and source-to-target reconciliation.
• Working knowledge of Python, Azure Databricks or Spark SQL, and familiarity with Git and dbt.
• Ability to present evidence, scale and business impact clearly to technical and non-technical stakeholders.
• A responsible approach to data management, ethics and privacy.

Responsibilities

• Investigate unfamiliar datasets to understand their structure, content, relationships and variation across organisations.
• Identify and explain data quality issues, trace them to source records, mappings or transformations, and quantify their impact on migration.
• Design repeatable comparisons and reconciliation checks to validate that migrated data is complete, consistent and faithful.
• Write reusable SQL and Python scripts for profiling, exception detection and validation, using Azure Databricks, Git and dbt where relevant.
• Communicate findings clearly to technical and non-technical audiences, using Excel and Power BI or Tableau to present evidence and track issues.

Skills

SQL

Python

Azure Databricks / Spark SQL

Git / dbt

Excel / Power BI / Tableau

Stakeholder communication

Tools

Git

dbt

Azure Databricks

Job description

Netcompany is one of Europe’s leading technology partners, with more than 9,500 colleagues delivering digital solutions for governments, critical industries and businesses across Europe. We take responsibility for the full journey, from strategy and development to daily operations. As Europe’s leader in sovereign AI, we build technology on Europe’s own terms.

AI is a natural part of how we build solutions. We use it in business-critical systems through a proven delivery model where human judgement, transparency, security and accountability matter from design to daily operations. AI-related roles include roles clearly involving AI, machine learning, data science, generative AI, LLMs, AI automation, AI governance or AI architecture.

Job Description

Help shape the success of a complex data migration by investigating data quality, preparing source data and validating that what moves is complete and faithful. Working across multiple organisations, you'll turn unfamiliar datasets into clear, evidence-based findings that guide migration decisions.

Key Responsibilities

You’ll join a data migration programme where your analysis informs mapping, cleansing and acceptance decisions, working alongside data engineers, data owners and client stakeholders.

• Investigate unfamiliar datasets to understand their structure, content, relationships and variation across organisations.
• Identify and explain data quality issues, trace them to source records, mappings or transformations, and quantify their impact on migration.
• Design repeatable comparisons and reconciliation checks to validate that migrated data is complete, consistent and faithful.
• Write reusable SQL and Python scripts for profiling, exception detection and validation, using Azure Databricks, Git and dbt where relevant.
• Communicate findings clearly to technical and non-technical audiences, using Excel and Power BI or Tableau to present evidence and track issues.

Qualifications

You bring a strong analytical background and a careful, evidence-based approach to working with data.

• Experience profiling unfamiliar datasets and tracing data quality issues to their root cause in a migration context.
• Strong SQL skills for complex joins, window functions, anomaly detection and source-to-target reconciliation.
• Working knowledge of Python, Azure Databricks or Spark SQL, and familiarity with Git and dbt.
• Ability to present evidence, scale and business impact clearly to technical and non-technical stakeholders.
• A responsible approach to data management, ethics and privacy.

Additional Information

Build on your experience and keep developing

Your development continues through the responsibility you take, the projects you lead and the people you learn from. As part of a structured career model, you’ll build on the experience you already bring, supported by a personal mentor from the leadership group who can help guide your professional development, career direction and personal goals.

Be part of a shared community

Community is built through the way we work together. You’ll join teams where collaboration, trust and support are part of everyday work. We bring together colleagues with different backgrounds, identities, cultures and experiences, ensuring everyone is met with respect and has equal opportunities to develop and thrive.

Driven by responsible digitalisation

We believe digitalisation creates the most value when it is done responsibly. We build solutions that are secure, transparent, and designed to create lasting impact for people, businesses, and society. Responsibility is embedded in how we design, develop, and deliver every solution.

Benefits include

• Hybrid working model with some flexible working
• Private Medical Health care via Vitality
• Pension contribution, Life Assurance
• Professional certifications supported as part of learning and development.
• A range of retail discounts to enhance your lifestyle, encompassing restaurants, supermarkets, travel, leisure activities and health and well-being services.
• Access to our Employee Resource Groups, our groups represent diverse backgrounds and provide a platform for colleagues to connect, learn, and support one another.

Company information

We pride ourselves on our entrepreneurial spirit and our capacity for doing things differently. Our culture is built on fostering low bureaucracy, emphasizing high agility and promoting flexibility, enabling everyone to contribute their best.

Netcompany is committed to providing an inclusive and barrier-free recruitment process for anyone wishing to apply for a job with us. We operate a Disability Confident Interview Scheme which means that we offer guaranteed interviews to all applicants with a disability who meet the minimum criteria for a role. Applicants are asked to opt in, so please let us know if you wish your application to be considered under this scheme.