Sr. Data Engineer

ELLKAY started out providing connectivity solutions to laboratories and within a few years, grew to also provide data management solutions to ambulatory organizations. ELLKAY is now a trusted data management partner in five healthcare segments. ELLKAY’s solutions continue to serve laboratories and ambulatory practices and have expanded to empower hospitals and health systems, healthcare IT vendors, ambulatory practices, health plans, and other healthcare organizations with cutting-edge technologies and solutions that drive their growth and interoperability strategies.
Today, ELLKAY remains true to our core values, building strong partner relationships and offering unparalleled service and support while providing innovative, scalable solutions to the challenges our customers face in today’s data-rich world.
ELLKAY's experience, customer-focused approach, and reputation for innovation, speed, and accuracy differentiate ELLKAY as a premier partner for your interoperability needs and data management strategy.
Job Description
We are looking for a highly experienced Senior ETL / Healthcare Data Engineer to build and support scalable data integration solutions for US healthcare data. This role will focus on processing, transforming, and integrating complex clinical and operational datasets while ensuring accuracy, compliance, and performance.
The ideal candidate combines deep ETL expertise using C#, SQL Server, and Snowflake with a working understanding of healthcare interoperability standards such as HL7, CCD, and FHIR. Exposure to cloud platforms, Python, and emerging AI-driven healthcare analytics is a strong plus.
Essential Duties & Responsibilities
Design, develop, and maintain enterprise-gradeETL pipelinesfor US healthcare data
Process and transform healthcare data formats includingHL7, CCD, FHIR, and related standards
Implement ETL workflows usingC#, SQL Server, and Snowflake
Build and optimize healthcare-focused data models supporting analytics, reporting, and downstream systems
Ensure data quality, validation, normalization, and consistency across clinical and administrative datasets
Collaborate with product, clinical, analytics, and compliance teams to translate healthcare requirements into technical solutions
Optimize SQL and Snowflake workloads for performance, scalability, and cost efficiency
Support cloud-based data platforms usingAzure and/or AWSservices
LeveragePythonfor data transformation, automation, and orchestration as needed
Adhere toHIPAAand healthcare data governance best practices
Provide technical leadership and mentor junior engineers on ETL and healthcare data standards
Contribute to continuous improvement initiatives, including modernization and AI-ready data pipelines
Qualifications
5–10 years of experience in ETL development and data engineering
Strong hands-on experience with C#
Advanced expertise in SQL Server(T-SQL, performance tuning, stored procedures)
Solid experience with Snowflake in production environments
Strong understanding of data warehousing and ETL best practices
Experience working withUS healthcare data
Familiarity with healthcare interoperability standards such asHL7, CCD, and FHIR
Experience with version control, CI/CD, and production support
Good-to-Have Skills
Experience with Azure(ADF, Synapse, Data Lake) and/orAWS(S3, Glue, Redshift)
Working knowledge ofPythonfor data engineering tasks
Exposure tohealthcare interoperability tools(interfaces, APIs, message brokers)
Understanding ofAI/ML conceptsin healthcare analytics (data preparation, feature engineering)
Knowledge of healthcare coding systems (ICD-10, CPT, LOINC, SNOMED)
Experience in Agile/Scrum delivery environments
Soft Skills
Strong communication skills with the ability to work across technical and non-technical stakeholders
Detail-oriented mindset essential for regulated healthcare environments
Ownership-driven, reliable, and delivery-focused
Ability to mentor and guide team members in a senior capacity
Additional Information
ELLKAY is committed to fostering a collaborative and high-performance work environment that supports innovation, teamwork, and professional growth. Most roles are designed to operate from our office locations to encourage effective collaboration and engagement across teams.
Any alternative work arrangements may be considered at the company’s discretion based on role requirements and business needs.
For more information about our company, please visit www.ELLKAY.com .
ELLKAY is a Smoke-Free Workplace.
ELLKAY, LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Work arrangement
No