Posted Jul 12, 2026

Software Engineer – (hybrid-remote) – Mclean, Va; Position R with Security Clearance

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Description Synertex LLC is seeking a Senior Software Engineer to support a U.S. Federal Government Agency in McLean, Va/ Department of War 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. Benefits include competitive PTO, 11 Paid Government Holidays, a 401k with 6% match, and a comprehensive list of health care options. 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. 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. * Bachelor's degree in computer science. * Clearance required: TS/SCI with Polygraph.