Python Software Engineer – Mid & Senior Levels (TS/SCI w/ Poly)

JTEC Consulting, LLC; Chantilly (VA); On-site; USD 140,000 - 210,000; Full time

Job summary

JTEC Consulting LLC in Chantilly, VA is seeking Mid-Level and Senior Python Software Engineers to join a team delivering data systems in classified federal environments. You will design, build, and deploy containerized microservices and backend APIs in an AWS cloud, operating in secure environments.

Work in an agile team with data scientists and mission experts, using FastAPI, Kubernetes, Docker, SQLAlchemy, OpenSearch, PySpark, and CI/CD tools like Jenkins. U.S.

Qualifications

• U.S. citizenship required.
• Current TS/SCI with polygraph required.
• Bachelor's degree in CS/IS or equivalent experience.
• 5+ years Python software development for Mid-Level.
• 8+ years for Senior Level with architecture experience.
• Strong Python + REST API design and cloud tech.

Responsibilities

• Design, build, and deploy containerized microservices and APIs.
• Deploy and manage scalable cloud infrastructure in AWS.
• Collaborate in an agile team with data scientists and mission experts.
• Ensure security guidelines (ISSM/IA) are followed.

Skills

Python

FastAPI

REST APIs

AWS

Kubernetes

Docker

SQLAlchemy

PySpark

Jenkins

Git

CI/CD

ISSM/IA security

Education

Bachelor's in CS/IS

Tools

Elasticsearch/ELK Stack

OpenSearch

Airflow

Trino

NiFi

Hadoop

Job description

Python Software Engineer — Mid & Senior Levels (TS/SCI w/ Poly)

Chantilly, VA 20151

JTEC Consulting LLC focuses on successfully delivering solutions to meet our clients’ most critical needs. Our founding members have decades of experience delivering a wide range of solutions to Air Force and DOD clients. We are a Veteran-Owned Small Business.

Security Clearance Requirement: Current TS/SCI with polygraph

Location Note: 100% On-Site

Relocation: Relo support for candidates outside the commuting area will be considered

Position 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).

Education and Qualifications:

• 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.

JTEC Consulting 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. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Salary:
JTEC offers competitive compensation and benefits to all employees. Salary ranges are advertised based on good faith estimates at the time of posting and indicating pay that JTEC anticipates for successful applicants. The estimated salary range displayed in this posting is dependent upon position requirements, individual qualifications, education, experience, location, and other job-related factors. Our recruiting team will review candidates’ related experience and desired salary targets during the evaluation process. All qualified candidates will be considered.
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