Senior AWS Python Developer / Pyspark Data Engineer

System One, Inc.; Knoxville (TN); Hybrid; USD 120,000 - 190,000; Full time

Benefits offered by this job

medical

dental

vision

spending accounts

life insurance

voluntary plans

participation in a 401(k) plan

Job summary

System One is seeking a Senior AWS Python Developer / PySpark Data Engineer for a hybrid role across multiple US locations: Lafayette, LA; Knoxville, TN; Columbia, SC; Birmingham, AL. This is a hands-on data engineering position in cybersecurity-focused environments.

You will work with Python, PySpark, and AWS to design scalable data pipelines, optimize queries, and collaborate with cross-functional teams. The role requires strong big data and CI/CD skills and a production-grade mindset.

Qualifications

• 8+ years of hands-on Python development for data-intensive, big data apps.
• Strong Python fundamentals and production-grade software skills.
• 5+ years with Apache Spark/PySpark; troubleshooting and optimization.
• 5+ years AWS experience including EMR, Lambda, and data services.
• Advanced SQL skills with complex transformations and recursive queries.
• Experience developing and consuming REST APIs and external data sources.
• Experience with Hadoop/EMR, Spark, and Hive.
• 4+ years with AI-related technologies or applications.
• CI/CD and infrastructure automation with GitLab and Terraform.

Responsibilities

• Develop scalable Python apps and data processing solutions.
• Integrate APIs and optimize complex SQL queries.
• Process large datasets using Spark and AWS services.
• Troubleshoot performance of applications and data pipelines.
• Contribute to CI/CD automation and tooling.
• Collaborate with technical and business teams across the organization.

Skills

Python development

PySpark

Big data

SQL

REST APIs

CI/CD

GitLab

Terraform

Performance tuning

Team collaboration

Education

Bachelor's degree in CS/IS

Tools

AWS EMR

AWS Lambda

EventBridge

Step Functions

Redshift

S3

Glue

Job description

Job Title: Senior AWS Python Developer / PySpark Data Engineer
Location: Lafayette, LA · Knoxville, TN · Columbia, SC · Birmingham, AL
Type: Direct Hire
Work Model: Hybrid

Overview

We are looking for a Senior Python + PySpark Data Engineer with strong AWS big data experience — ideally someone who has worked in cybersecurity or security data environments.
This is primarily a hands-on data engineering role, not a traditional Python application developer role.

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.?

Benefits

• medical
• dental
• vision
• spending accounts
• life insurance
• voluntary plans
• participation in a 401(k) plan

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.