Senior AWS Python Developer
Knoxville, Tennessee
Experience: 8
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Job ID: 382302
Date Posted: 10/22/2026
Shortcut: http://jobs.systemone.com/RfNBL1
Job Title: Senior AWS Python Developer
Location: Knoxville, TN
Type: Direct Hire
Work Model: Hybrid
Overview
We are seeking a highly experienced Senior Data Engineer to support a major initiative focused on modernizing and streamlining the organization's vulnerability management platform. This role will play a key part in transforming how vulnerability data is collected, processed, contextualized, prioritized, and consumed across the enterprise by leveraging modern cloud-based data engineering solutions.
The ideal candidate will have 10+ years of experience building and optimizing large-scale data pipelines, with deep expertise in PySpark, Python, and AWS-based data processing technologies. This is primarily a data engineering role, not an application development position.
Responsibilities
- Developing scalable Python applications and data processing solutions
- Integrating APIs
- Writing and optimizing complex SQL queries
- Processing large datasets using Spark and AWS services
- Troubleshooting application and data processing performance
- Contributing to CI/CD automation
- Working closely with technical and business teams across the organization
Requirements
- 8+ years of hands on Python development, including development of data intensive and big data applications.
- Strong Python programming fundamentals and experience developing scalable, production grade applications.
- 5+ years of experience working with Apache Spark/PySpark, including troubleshooting and optimizing Spark jobs.
- 5+ years of hands on development experience with AWS, including EMR, Lambda, EventBridge, Step Functions, Redshift, S3, and Glue.
- Advanced SQL skills, including complex queries, data transformations, joins, and recursive CTEs.
- Experience developing and consuming REST APIs and integrating applications with external services and data sources.
- Strong background working with large datasets, including data manipulation, transformation, analysis, and processing.
- Experience with big data technologies such as Hadoop/EMR, Spark, and Hive.
- 4+ years of experience working with AI related technologies or applications.
- Hands on CI/CD and infrastructure automation experience using GitLab and Terraform.
- Strong debugging, performance tuning, analytical, and problem solving skills.
- Ability to collaborate effectively across development teams and a matrixed organization.
- Bachelor's degree in Computer Science, Information Systems, or a related field.?
System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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⚠️ Protecting Job Seekers from Identity Scams
At System One, your privacy and security are important to us. As job-related scams continue to target job seekers, we want to help you recognize and avoid common recruitment fraud. Identity theft scams often involve individuals, also known as "scammers," posing as recruiters or employers to obtain sensitive personal information, such as Social Security numbers, bank account details, or copies of driver’s licenses, with the goal of stealing identities, accessing financial accounts, or creating fraudulent accounts in a victim’s name.