SQL/ ETL Tester with SC eligible / Clearance

JR United Kingdom; London; Hybrid; GBP 40,000 - 80,000; Full time

Job summary

An established industry player is seeking a skilled End-to-End Tester with expertise in SQL and ETL testing. This exciting role involves ensuring the accuracy and reliability of database applications and ETL processes. You will design and execute test plans, validate data migration, and collaborate with developers and data engineers. The ideal candidate will have a strong background in database testing, SQL scripting, and automation tools. Join a dynamic team where your contributions will enhance data quality and integrity in a fast-paced environment. If you have an active security clearance and a passion for data, we invite you to apply!

Qualifications

• 5+ years of experience in end-to-end testing with a focus on database and ETL processes.
• Expertise in SQL queries, stored procedures, and database testing methodologies.
• Active security clearance is required for this role.

Responsibilities

• Design and execute test plans for database and ETL applications.
• Validate ETL processes and perform data integrity checks.
• Automate database testing processes using industry-standard tools.

Skills

SQL

ETL Testing

Database Testing

Test Automation

Analytical Skills

Agile Methodologies

Communication Skills

Education

Bachelor’s degree in Computer Science

Tools

Informatica

Talend

SSIS

DataStage

Selenium

Python

dbUnit

Job description

Social network you want to login/join with:

SQL/ ETL Tester with SC eligible / Clearance, london

col-narrow-left

Client:

Mastek

Location:

london, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Views:

2

Posted:

08.05.2025

Expiry Date:

22.06.2025

col-wide

Job Description:

Job Title: End-to-End Tester (SQL & ETL Expert with Security Clearance)

Job Summary: We are seeking a skilled End-to-End Tester with strong experience in SQL and ETL testing to join our quality assurance team. The ideal candidate will be responsible for ensuring the accuracy, reliability, and efficiency of database applications, data warehouses, and ETL processes. This role requires extensive hands-on experience in database testing, SQL scripting, ETL validation, and data integrity checks.

Key Responsibilities:

• Design, develop, and execute test plans, test cases, and test scripts for end-to-end testing of database and ETL applications.
• Validate ETL processes, data migration, and data transformation activities across various systems.
• Write complex SQL queries to perform data validation and integrity checks.
• Identify, document, and track defects related to databases and ETL processes.
• Work closely with developers, data engineers, and business analysts to ensure data accuracy and consistency.
• Automate database and ETL testing processes using industry-standard tools and frameworks.
• Analyze test results and provide detailed reports on defects and test coverage.
• Ensure compliance with data security and regulatory requirements.
• Participate in Agile development processes and contribute to sprint planning and reviews.
• Work effectively in a multi-vendor environment, collaborating with diverse teams and stakeholders.
• Apply risk-based testing and assessment methodologies to prioritize testing efforts and mitigate potential risks.

Required Skills and Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in end-to-end testing with a focus on database and ETL processes.
• Expertise in SQL queries, stored procedures, and database testing methodologies.
• Strong knowledge of ETL tools such as Informatica, Talend, SSIS, or DataStage.
• Experience with data warehousing concepts and testing strategies.
• Hands-on experience with test automation tools for database testing (e.g., Selenium, Python, dbUnit, or similar frameworks).
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration skills.
• Experience working in Agile environments is a plus.
• Active security clearance is required for this role.
• Knowledge of cloud-based database solutions (AWS, Azure, Google Cloud) is an advantage.

Preferred Qualifications:

• Experience with big data technologies (Hadoop, Spark, Snowflake) is a plus.
• Certification in database technologies or testing methodologies.
• Knowledge of scripting languages like Python or Shell scripting for test automation.
• Hybrid/Remote flexibility based on project requirements.
• Collaboration with cross-functional teams in a dynamic, fast-paced environment.
• Opportunity to work with modern data technologies and cloud platforms.

If you are a detail-oriented End-to-End Tester with a passion for ensuring data quality and integrity, and you have the required security clearance, we encourage you to apply and be part of our innovative team!