> Markdown version of [/jobs/ext/2307135-python-software-engineer-mid-senior-levels-ts-sci-w-poly](https://www.wearedevelopers.com/jobs/ext/2307135-python-software-engineer-mid-senior-levels-ts-sci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Python Software Engineer - Mid & Senior Levels (TS/SCI w/ Poly - **Company:** JTEC Consulting - **Location:** Chantilly, VA, United States - **Experience:** Experienced - **Salary:** $160,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Airflow, Amazon Web Services, Amazon Elastic Compute Cloud, Bash Shell, Big Data, C++ (Programming Language), Cloud Computing, Cloud Computing Security, Information Systems, System Configuration, Continuous Integration, Data Integration, Data Systems, Elasticsearch, Github, Apache Hadoop, Python (Programming Language), Object-Relational Mapping, Tensorflow, Search Technologies, Shell Script, Software Engineering, SQL Databases, SQLAlchemy, Unstructured Data, Flask (Web Framework), Amazon Virtual Private Cloud (VPC), Backend, Git, Fastapi, Containerization, Pyspark, Kubernetes, Information Technology, Deployment Automation, Apache Nifi, Functional Programming, Api Design, Software Version Control, Data Pipelines, Docker, Elk Stack, Jenkins, Web Api, Microservices - **Published:** August 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9129114/python-software-engineer-mid-senior-levels-tssci-w-poly ## About the Role * U.S. citizenship * Current TS/SCI with polygraph required for consideration * Bachelor's degree in Computer Science, Information Systems, or a related technical discipline (equivalent years of direct experience considered in lieu of a degree). * Experience Level: + Mid-Level: 5+ years of software development experience with a focus on Python. + Senior Level: 8+ years of software development experience with advanced architectural design experience. * Core Tech Stack: + Modern Python development (FastAPI, Flask, or similar REST frameworks). + Relational & Object-Relational Mapping tools (e.g., SQLAlchemy, SQL databases). + Containerization & Orchestration (Docker, Kubernetes, or Helm). + Cloud Computing experience (AWS, AWS C2S, EC2, Lambda, VPC). + Version Control & Automation (Git, Jenkins, CI/CD pipelines). Preferred Qualifications: * Hands-on experience with big data processing tools (PySpark, Airflow, Trino, NiFi, or Hadoop). * Experience configuring and maintaining Elasticsearch / ELK Stack or OpenSearch clusters. * Knowledge of additional languages (Java, C++, or Bash scripting). * Familiarity with machine learning frameworks or data modeling techniques. ## Description JTEC Consulting is actively hiring Mid-Level and Senior Python Software Engineers to join a specialized team developing and deploying high-impact data systems across classified federal environments in Chantilly, VA. In this role, you will design, build, and deploy containerized microservices and backend APIs in an AWS cloud infrastructure supporting multiple active task orders across data science and software engineering initiatives. In this role you will work within an agile team of developers, data scientists, and mission experts to solve complex, data-heavy challenges. Core Responsibilities: * Backend & API Development: Design, build, and maintain scalable backend microservices and APIs using Python and FastAPI. * Cloud Infrastructure & Deployment: Deploy, manage, and scale microservices within secure cloud environments (AWS C2S) using Kubernetes, Docker, and Helm. * Data Integration & Search: Build and optimize data pipelines and search capabilities across large-scale structured and unstructured datasets using SQLAlchemy, OpenSearch/Elasticsearch, and PySpark. * CI/CD & DevOps Automation: Automate software testing, integration, and deployment using Jenkins, Git/GitHub, and shell scripting. * Agile Collaboration: Participate in end-to-end agile development sprints, conduct peer code reviews, and align engineering practices with security guidelines (ISSM/IA). ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Enterprise Python: Software That Lives Long And Prosper](https://www.wearedevelopers.com/videos/946-enterprise-python-software-that-lives-long-and-prosper) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [The weekly developer show: Boosting Python with CUDA, CSS Updates & Navigating New Tech Stacks](https://www.wearedevelopers.com/videos/1293-the-weekly-developer-show-boosting-python-with-cuda-css-updates-navigating-new-tech-stacks) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)