Log in
All jobs
IA

Mid - Senior MS SQL Engineer - ETL & Data Integration

InventYOU AB
Athens, Attica, Greece Posted Oct 21, 2026
Full-time

About this role

We are looking for an MS SQL Engineer to join our team and design, develop and maintain data solutions on an on-premises Microsoft SQL Server environment. The role focuses on SQL development and SSIS-based ETL processes that support critical business operations.

You will work closely with data, development and business teams to ensure reliable, well-performing and well-documented data pipelines. The position is open to both medior and senior engineers.

Key Responsibilities

  • Design, develop and maintain SSIS packages and ETL processes
  • Write and optimise T-SQL code, including stored procedures, functions, views and triggers
  • Monitor, troubleshoot and tune the performance of SQL Server databases and ETL jobs
  • Design and maintain data models and database structures
  • Ensure data quality, integrity and consistency across systems
  • Schedule, deploy and support ETL jobs in an on-premises environment
  • Analyse and resolve production issues and perform root cause analysis
  • Collaborate with developers, analysts and business stakeholders to gather and refine requirements
  • Document solutions and contribute to best practices and code reviews

Requirements

  • Minimum 3 years of professional experience as an MS SQL / ETL Engineer or Developer (5+ years for senior level)

  • Strong hands-on experience with Microsoft SQL Server and T-SQL

  • Solid experience designing and developing SSIS packages

  • Experience with query optimisation and performance tuning

  • Good understanding of ETL principles, data warehousing and data modelling

  • Experience working in on-premises environments

  • Familiarity with version control and deployment practices for database and ETL code

  • Strong analytical thinking and problem-solving skills

  • Excellent debugging and troubleshooting abilities

  • Strong attention to detail and a structured way of working

  • Good communication and teamwork skills

  • Nice to Have

  • Experience with SSRS and/or SSAS

  • Experience with SQL Server Agent and job scheduling

  • Experience with CI/CD for database and ETL deployments

  • Experience in the financial services sector

  • Microsoft certifications in data or SQL Server

  • You will be a great candidate for us if you

  • Enjoy working with data and take pride in reliable, high-quality solutions

  • Take ownership of your work from development to production

  • Have a proactive approach to identifying and resolving performance and data issues

  • Are comfortable working in Agile environments

  • Enjoy collaborating with colleagues from both technical and business teams

Benefits

  • Why join inventYOU

  • Work on challenging, data-intensive enterprise projects

  • Use and deepen your expertise in the Microsoft data stack

  • Collaborate with experienced engineering and data professionals

  • Contribute to improving data engineering practices and standards

  • Continue developing your career as a SQL and ETL specialist

Your next opportunity starts here

Prepare, apply, track, interview and get hired — all from one platform, with AI in your corner.

Download app

Or sponsor Premium for someone who's job hunting →