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Vacancy description

Data Test Analyst - SC Cleared in London, United Kingdom

CBSbutler Holdings Limited trading as CBSbutler

  • HybridMix of office and remote
  • On-siteWork from the office
  • ContractFixed-term or freelance

£45 - £51 per hour

London, United Kingdom

Salary: £? - ? per year Requirements:

  • Strong experience in data testing and validation, particularly within large-scale data migration programmes
  • Excellent SQL skills, including data comparison, reconciliation and profiling
  • Experience testing ETL processes and data integration
  • Experience working with SAS 9.4 and/or SAS Viya
  • Experience with data migration, transformation and validation
  • Familiarity with test automation and scripting using Python, SAS and/or SQL
  • Experience working in Agile delivery environments
  • Experience with defect management tools such as Jira and Confluence
  • Active SC Clearance; HMRC clearance preferred, or active SC clearance held through another recognised government body
  • ISTQB Foundation or Advanced Test Analyst certification (desirable)
  • Previous experience working within HM Government or other regulated environments (desirable)
  • Understanding of AWS/cloud platforms (desirable)
  • Experience with containerised deployments (desirable)
  • Experience supporting large-scale technology or data transformation programmes (desirable)
Responsibilities:
  • Develop detailed test plans, scenarios and test cases for data migration, transformation and validation
  • Define acceptance criteria for migrated datasets and analytical workflows
  • Ensure test coverage aligns with business and technical requirements
  • Perform data reconciliation between SAS 9.4 and SAS Viya 4 environments
  • Validate ETL processes, data pipelines and reporting outputs
  • Identify data discrepancies and ensure migrated data is accurate, complete and fit for purpose
  • Develop automated data validation scripts using SQL, Python and/or SAS
  • Support the integration of automated testing into CI/CD pipelines
  • Identify opportunities to improve testing efficiency and coverage through automation
  • Log, investigate, track and manage defects relating to data migration and inconsistencies
  • Work with Data Engineers, Developers and migration teams to resolve issues
  • Provide clear test evidence and status reporting
  • Ensure testing activities comply with HMRC security, GDPR and data governance requirements
  • Work with Business Analysts, Test Managers and migration teams
  • Support UAT and provide evidence required for formal sign-off
Technologies:
  • AWS
  • CI/CD
  • Cloud
  • Confluence
  • ETL
  • ISTQB
  • Support
  • JIRA
  • Python
  • SAS
  • SQL
  • Security

More:

We are seeking a Data Test Analyst to support a major HMRC data migration programme, helping validate data integrity, accuracy and functionality as the SAS estate, including SAS 9.4 and Viya 3.5, is migrated to SAS Viya 4 on DPS AWS. The role offers the opportunity to join a high-profile government transformation programme and work alongside experienced data, testing and migration teams. This is a six-month contract, with two positions available, based in Telford on a hybrid basis with two days onsite per week. The rate is £45–£51 per hour, inside IR35, with engagement through PAYE via Umbrella.

last updated 43 week of 2026

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