Operational Systems Developer: TS/SCI with Full Scope Poly with Security Clearance

Inferno SystemsChantilly, VA🇺🇸United StatesPosted Sep 30, 2026

Why This Role Stands Out

This hybrid role offers you the chance to develop critical operational web applications, directly impacting mission success and gaining exposure to diverse stakeholders. You'll thrive here if you're a Python-savvy developer with experience in ETL and REST APIs, eager to collaborate in a supportive, innovative team environment with flexible work arrangements. Apply now to leverage your skills and contribute to high-visibility projects within a reputable organization.

Quick Overview

Seniority

Mid Senior

Employment type

Employee

Work mode

Hybrid

Location

Chantilly, VA, United States

Posted

5 days ago

DjangoFastAPIMySQLSQLETLAgileAngularGitJavaScriptPostgreSQLPythonRESTRabbitMQjQuery

Job Description

Operational Systems Developer: Full Performance and Expert Levels Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is looking for a Full Stack developer with python experience to work with REST APIs to Extract, Transform and Load (ETL) data. Experience in JavaScript, front-end web requests and back-end database development is a plus.

JOB SUMMARY

You will be working on an operational-facing platform supporting penetration testers, data scientists and network defenders as a part of a team that creates and maintains several web apps. These web apps are critical to supporting ongoing operations and have high visibility from both users and managers. You will be in a flexible working environment with supportive management. You will need to be agile in responding to shifting operational requirements, timelines and priorities, while also working in a tight-knit team environment where innovative ideas are encouraged.

You should be able to write strong code, which will be peer-reviewed, while also providing review of others' code to ensure accountability and code quality. You will be able to interface directly with customers and users while participating in all phases of the development lifecycle to drive forward the customer's mission.

REQUIRED SKILLS: • Must have 5+ years of overall development experience.

Minimum of 3+ years of python development experience. • Experience with Extract, Transform, Load (ETL) data flows.
Experience with REST APIs, MySQL and PostgreSQL. • Experience using git and CI/CD pipelines. • Be able to develop rapid prototypes based on quickly developing operational needs.
Be a self-starter, proactively integrate with a diverse team and feel comfortable leading the creative process and engaging multiple stakeholders to help formulate a creative approach. • Familiarity with/working knowledge of the design, development, deployment and maintenance of fully-functional web sites and web applications. • Familiarity with the certification and accreditation process and testing
Ability to research, analyze, prioritize, problem solve, and work several tasks concurrently with minimal supervision. • Proven high-attention to detail to all tasking. • Ability to work in a dynamic and challenging team environment. • Ability to perform ad hoc duties.

DESIRED SKILLS

Experience developing in Linux and Windows environments.
Experience developing in Javascript, jQuery, Ajax and/or Angular.
Experience with message queues such as RabbitMQ.
Experience with Django / FastAPI
Experience with JSON and SQL Queries • Experience with using ElasticSearch
Experience sanitizing and web-based properties and design elements would be welcome.
Experience integrating web-based applications with searchable databases and designing those databases.
Familiarity with Cloud services and tool capabilities.
Experienced with web site and application security measures and practices. • Experience with security accreditation and testing.