> Markdown version of [/jobs/ext/4632489-principal-embedded-software-target-tracking-engineer-us-citizen-remote](https://www.wearedevelopers.com/jobs/ext/4632489-principal-embedded-software-target-tracking-engineer-us-citizen-remote). 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). --- # Principal Embedded Software & Target Tracking Engineer (US Citizen / Remote) - **Company:** Virtual, Inc. - **Location:** Arlington, VA, United States (Remote available) - **Salary:** $176,800 - $197,600 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Ubuntu (Operating System), Data Control, Data Fusion, Linux, Embedded Software, Python (Programming Language), Linux Servers, Parsing, Sensor Fusion, Software Engineering, Git, Code Restructuring - **Published:** November 8, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=1266960a8bad6360 ## About the Role * Citizenship: Verified U.S. Citizenship is strictly required for ITAR compliance. * Security Clearance: Active Top Secret / SCI (TS/SCI) clearance baseline strongly preferred and immediately portable. * Mathematical Expertise: Deep, hands-on experience developing and refactoring Extended Kalman Filters (EKF) and non-linear state estimation loops. * Algorithmic Proficiency: Verifiable history tracking multi-static sensor processing frameworks, data fusion loops, and Mahalanobis Distance innovation tracking. * Development Hygiene: Expert mastery of Linux/Ubuntu environments, Git configuration tracking, and building secure, isolated python-based tracking software modules. ## Description Virtual Parse Technologies, LLC is an advanced defense technology small business prime contractor specializing in digital signal processing, distributed sensor fusion, and secure software architectures. We are seeking a Principal Embedded Software & Target Tracking Engineer to take direct technical custody of our multi-node target tracking architectures and simulation environments.In this role, you will autonomously model, refactor, and deploy low-latency tracking algorithms directly inside isolated, security-hardened Linux server environments. You will be responsible for moving algorithmic frameworks from conceptual architectures to production-ready software without requiring hands-on oversight., * Refactor, optimize, and maintain complex Python and C/C++ target tracking loop simulations and data fusion engines. * Resolve spatial diversity bottlenecks and track divergence challenges in high-clutter environments. * Implement robust state estimation models, innovation gating parameters, and spatial localization architectures. * Conduct all software development exclusively within secure, sandboxed remote server environments adhering to strict data control protocols.