

ADN Group
Senior Data Engineer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Engineer in O'Fallon, MO, with a 6-month contract at an unspecified pay rate. Key skills include AWS, Azure, ETL, Spark, Python, and SQL. No visa sponsorship available; Microsoft Graph experience preferred.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
Unknown
-
🗓️ - Date
February 11, 2026
🕒 - Duration
More than 6 months
-
🏝️ - Location
On-site
-
📄 - Contract
Unknown
-
🔒 - Security
Unknown
-
📍 - Location detailed
Missouri, United States
-
🧠 - Skills detailed
#Spark SQL #Python #AWS (Amazon Web Services) #SQL (Structured Query Language) #Alteryx #Scala #Security #"ETL (Extract #Transform #Load)" #Spark (Apache Spark) #Automation #Storage #Monitoring #Azure #Data Engineering #NiFi (Apache NiFi)
Role description
Job Title: Senior Data Engineer
Job Location: O'Fallon, MO
Work Model: Onsite
Contract Duration: 06 Months.
Technical Skills: Analytical Skills, AWS, Azure, Data Engineer, ETL, Alteryx, NIFI, Python, Spark, SQL
NOTE: No Visa Sponsorship
Responsibilities:
• Assists senior resources in the assessment, analysis and implementation Microsoft Graph Data Connect
• Acts as a technical lead for the project team and coordinate with different stakeholders including platform engineering, operations, data science & Microsoft technical support to help implement the solution
• Supports holistic platform security posture which includes:
o identifying risks
o escalating potential concerns on a timely basis
o implementing both risk mitigation plans and control functions
• Follows policies, standards, guidelines, and design patterns, researching industry best practices across multiple technologies and business domains
• Works closely with the project team to understand requirements and milestones
• Implements proper quality checks and monitors to ensure reliable functioning of the solution
• Creates well-defined monitoring tools, systems, and processes that effectively and efficiently manage the interconnected infrastructure
Required Skills, Experience, & Abilities:
• Spark
• Python
• ETL tools like Alteryx, NIFI
• Strong analytical skills
• Detail-oriented to explore the data
• Experience in collaborating with external teams and supporting initiatives at an enterprise level
• Exposure to Azure, M365, Microsoft Graph, Microsoft Graph Data Connect
• Hands on experience using Azure - Compute, Storage (blob), configuration including Active
• Directory Approval Groups, Application registrations, Data Factory, building automation pipelines, user provisioning, reporting, monitoring & alerts etc.
• Good understanding of Microsoft 365, Microsoft Graph & Microsoft Graph Data connect
• Good understanding of optimizing cost with efficient resource usage
• Foundational knowledge of data lake & data science techniques is a plus
• Creative and nimble with ability to overcome obstacles to solve hard problems
• Flexible and responsive, with ability to adapt to rapid change in direction or business priority
• Openness to feedback and strong self-awareness
Desired Skills:
• SQL
• AWS or Azure
Vishal (Victor) Verma | Assistant Manager
vishal@nsitsolutions.com
NS IT Solutions
www.nsitsolutions.com
Job Title: Senior Data Engineer
Job Location: O'Fallon, MO
Work Model: Onsite
Contract Duration: 06 Months.
Technical Skills: Analytical Skills, AWS, Azure, Data Engineer, ETL, Alteryx, NIFI, Python, Spark, SQL
NOTE: No Visa Sponsorship
Responsibilities:
• Assists senior resources in the assessment, analysis and implementation Microsoft Graph Data Connect
• Acts as a technical lead for the project team and coordinate with different stakeholders including platform engineering, operations, data science & Microsoft technical support to help implement the solution
• Supports holistic platform security posture which includes:
o identifying risks
o escalating potential concerns on a timely basis
o implementing both risk mitigation plans and control functions
• Follows policies, standards, guidelines, and design patterns, researching industry best practices across multiple technologies and business domains
• Works closely with the project team to understand requirements and milestones
• Implements proper quality checks and monitors to ensure reliable functioning of the solution
• Creates well-defined monitoring tools, systems, and processes that effectively and efficiently manage the interconnected infrastructure
Required Skills, Experience, & Abilities:
• Spark
• Python
• ETL tools like Alteryx, NIFI
• Strong analytical skills
• Detail-oriented to explore the data
• Experience in collaborating with external teams and supporting initiatives at an enterprise level
• Exposure to Azure, M365, Microsoft Graph, Microsoft Graph Data Connect
• Hands on experience using Azure - Compute, Storage (blob), configuration including Active
• Directory Approval Groups, Application registrations, Data Factory, building automation pipelines, user provisioning, reporting, monitoring & alerts etc.
• Good understanding of Microsoft 365, Microsoft Graph & Microsoft Graph Data connect
• Good understanding of optimizing cost with efficient resource usage
• Foundational knowledge of data lake & data science techniques is a plus
• Creative and nimble with ability to overcome obstacles to solve hard problems
• Flexible and responsive, with ability to adapt to rapid change in direction or business priority
• Openness to feedback and strong self-awareness
Desired Skills:
• SQL
• AWS or Azure
Vishal (Victor) Verma | Assistant Manager
vishal@nsitsolutions.com
NS IT Solutions
www.nsitsolutions.com






