Software Engineer – (Hybrid-Remote) – McLean, VA; position requires a TS/SCI Clearance

Synertex LLC; McLean (VA); Remote; USD 180,000 - 230,000; Full time

Job summary

Synertex LLC seeks a Senior Software Engineer to support a U.S. Federal Government Agency in McLean, VA. The role focuses on full‑stack web development, with AI capabilities, on production systems that require ATO compliance.

The ideal candidate has 10+ years of experience, strong Python/Django skills, and hands‑on AWS, Linux, CI/CD, and IaC experience. Hybrid work‑model, on‑site in McLean/Pentagon area with commutable distance.

Qualifications

• 10+ years of professional software development experience.
• Proficient in Python application development and Django for production‑grade solutions.
• Experience in full‑stack web development with HTML, CSS, and modern JavaScript.
• Extensive Linux/UNIX experience.
• AWS with RDS Aurora, ECS/EKS, VPC and ALB, plus containerization (Docker).
• Experience with CI/CD pipelines (CodeBuild/CodePipeline or GitHub Actions).
• Infrastructure as Code (Terraform).
• Familiarity with Government ATO processes and security requirements.
• Active TS/SCI with Polygraph clearance.

Responsibilities

• Build robust, enterprise‑level applications with clear documentation and tests.
• Collaborate with customers and team members including data scientists, DevOps, and other developers.
• Develop/integrate/operationalize full‑stack analytics web applications on classified networks via ATO.
• Deploy, monitor, and sustain production systems in live government environments.

Skills

Python

Django

Full-stack

HTML/CSS/JS

Docker

AWS

Terraform

CI/CD

Linux

REST APIs

IaC

Education

Bachelor's degree in Computer Science

Tools

Docker

GitHub Actions

CodeBuild

CodePipeline

Terraform

Job description

Synertex LLC is seeking a Senior Software Engineer to support a U.S. Federal Government Agency in McLean, Va / Department of War

Salary Range: $180,000–$230,000 (negotiable based on experience)

We are expanding work under an existing contract and are seeking a Software Engineer with full‑stack web development experience to deliver innovative solutions, including AI‑driven capabilities, that address the client's most critical needs. The ideal candidate will also have strong proficiency with open‑source development tools and environments, particularly Linux and Python. This is a hybrid remote position (50% on site/50% work from home) with some on‑site requirements that require a candidate to be within reasonable commutable distance to McLean, VA and/or the Pentagon.

Join our team of analysts and data experts to focus on delivering practical and efficient solutions in support of our client's incredibly important mission.

Work within a team environment to develop a software‑based platform that will facilitate rapid decision making and increase situational awareness across a variety of users, disciplines, and geographic locations.

Responsibilities

• Build robust, maintainable, well documented, and well tested enterprise‑level applications.
• Communicate effectively both verbally and in writing with the customer and other team members. Including managers, data scientists, DevOps engineers, and other senior and junior/midlevel developers.
• Work on developing / integrating / operationalizing full‑stack advanced analytic web applications through the Authority to Operate (ATO) process on classified networks.
• Deploy, monitor, and maintain production systems in a live government operational environment, ensuring reliability, security, and uptime for mission‑critical applications.

Requirements

• 10+ years of professional software development experience.
• Demonstrated depth of experience in Python application development, extending beyond basic scripting to the design and implementation of production‑grade solutions.
• Experience in full‑stack web application development, preferably using Python and Django.
• Comprehensive front‑end development experience utilizing HTML, CSS, and modern JavaScript frameworks or libraries such as Bootstrap, Tailwind, HTMX, Alpine.js, or comparable technologies.
• Experience with containerization technologies, including Docker, Docker Compose, and/or Podman.
• Knowledge and experience of classified government networks and hands‑on experience with Amazon Web Services (AWS), including RDS Aurora, ECS and/or EKS, VPC, and Application Load Balancers (ALB).
• Experience designing or working with serverless architectures/services.
• Experience implementing and maintaining CI/CD pipelines, including AWS‑native solutions such as CodeBuild and CodePipeline, as well as tools like GitHub Actions or comparable platforms.
• Experience with Infrastructure as Code (IaC), preferably using Terraform.
• Proficiency working in Linux/UNIX environments.
• Familiarity with Government ATO (Authority to Operate) processes, including compliance, approval, and deployment requirements.
• Demonstrated experience deploying and managing production systems within a government or federal environment, including operational support, monitoring, and sustainment post‑deployment.

Education

• Bachelor's degree in computer science or related field.

Clearance

• Clearance required: Active TS/SCI with Polygraph.