Mid-Senior MS SQL Engineer – ETL, Data Integration

inventYOU IT Consulting

. Design, develop and maintain SSIS packages and ETL processes .

Posted 10/22/2026full-timeAthens • GreeceSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing, developing, and maintaining SSIS packages and ETL processes, with strong proficiency in T-SQL and Microsoft SQL Server. Capable of ensuring data quality and integrity while collaborating effectively with cross-functional teams.

Highest-signal resume keywords

SSIS Package DevelopmentT-SQL OptimizationETL Process DesignSQL Server Performance TuningData Warehousing Principles

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

SSIST-SQLSQL ServerETL ProcessesData ModellingQuery OptimizationPerformance TuningDatabase StructuresRoot Cause AnalysisData Quality Assurance

Soft Skills

Analytical ThinkingProblem-SolvingAttention to DetailCommunicationTeamwork

Tools & Technologies

SQL Server AgentSSRSSSASVersion ControlCI/CD

Certifications & Qualifications

Microsoft SQL Server Certification

Industry Keywords

Financial ServicesOn-Premises EnvironmentAgile Methodologies

Tech Stack

Tools & technologies

ETLMS SQL ServerSQLSSIS

About the role

Key responsibilities & impact

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 SQL Server database and ETL job performance
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
Work with data, development and business teams to maintain reliable, well-performing and well-documented data pipelines

Requirements

What you’ll need

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
Experience with SSRS and/or SSAS (nice to have)
Experience with SQL Server Agent and job scheduling (nice to have)
Experience with CI/CD for database and ETL deployments (nice to have)
Experience in the financial services sector (nice to have)
Microsoft certifications in data or SQL Server (nice to have)
Enjoy working with data and take pride in reliable, high-quality solutions
Take ownership of work from development to production
Proactive approach to identifying and resolving performance and data issues
Comfortable working in Agile environments
Enjoy collaborating with technical and business teams

Benefits

Comp & perks

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