TEKsystems is seeking an Informatica Developer to help one of our clients in the northern suburbs of Illinois. This is a full time role and on site 5 days/week.

Minimum Requirements

• 8+ years in data engineering.
• 5+ years of hands-on experience developing ETL using Informatica PowerCenter.
• Proven experience writing complex T-SQL and DB performance tuning.
• Strong troubleshooting skills to resolve data issues.
• Knowledge of SSIS, Python, Azure, Snowflake or Databricks is a plus.

Position Responsibilities

• Partner with business users to design and build BI and data warehouse solutions.
• Engage with project leads, analysts and business users to implement and test data warehouse applications.
• Build complex data engineering processes to support business analytics and reporting.
• Perform unit, performance and regression testing on ETL mappings.
• Follow coding standards, review code and enhance quality practices.
• Oversee production deployments and coordinate with other teams to execute.

Job Type & Location

This is a Permanent position based out of North Chicago, IL.

The pay range for this position is $60.00 - $95.00/hr.

Eligibility requirements apply to some benefits and may depend on your job\n classification and length of employment. Benefits are subject to change and may be\n subject to specific elections, plan, or program terms. If eligible, the benefits\n available for this temporary role may include the following:\n\n • Medical, dental & vision\n • Critical Illness, Accident, and Hospital\n • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available\n • Life Insurance (Voluntary Life & AD&D for the employee and dependents)\n • Short and long-term disability\n • Health Spending Account (HSA)\n • Transportation benefits\n • Employee Assistance Program\n • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in North Chicago,IL.

This position is anticipated to close on Feb 19, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at .

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.