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# Senior Software Engineer

- **Company:** Str Limited
- **Location:** Woburn, MA, United States
- **Experience:** Expert
- **Salary:** $139,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Artificial Intelligence, Algorithm Design, Apple IOS, Software Quality, Computer Engineering, Linux, Digital Electronics, Dynamic Program Analysis, Hyperspectral Imaging, Python (Programming Language), Live Virtual and Constructive, MATLAB, Machine Learning, Object-Oriented Software Development, Software Architecture, Systems Development Life Cycle, Software Engineering, Product Software Implementation Methods, System Testing, Test-Driven Development (TDD), Information Technology, Modeling and Simulation, Operational Systems, C++14, Multiplatform, Software Version Control
- **Published:** July 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9011429/senior-software-engineer

## About the Role

* Self-motivated with demonstrated ability to excel under limited guidance
 * Strong object-oriented programming skills in modern C++
 * Proficient in test-driven development and CI/CD practices
 * Experience with cross-platform development (Windows, Linux, iOS) and version control workflows
 * Proficiency in MATLAB and/or Python
 * BS with 5+ years experience or MS with 3+ years experience in Computer Science, Computer Engineering, Applied Mathematics, Electrical Engineering, or related field
 * Ability to obtain a security clearance, for which U.S. citizenship is needed by U.S. Government.

Even Better:

 * Active Secret or Top Secret security clearance
 * 2+ years of experience with open architecture systems such as OMS/UCI and A-GRA
 * Experience with radar or EO/IR systems
 * Familiarity with real-time algorithm optimization, especially for radar or remote sensing applications
 * Experience with software quality tools (static/dynamic analysis, automated testing frameworks)

## Description

The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. We have a particular focus on airborne/surface/space-based radar, electronic warfare, underwater acoustics, hyperspectral imaging, and EO/IR sensing. We work on full system prototypes, experiment campaigns, and next generation technology components. Specific technical areas include RF analog/digital hardware, acoustic hardware, signal processing algorithms, machine learning algorithms, tracking/fusion, autonomous systems, as well as real-time embedded processor implementation.

The Systems Autonomy, Analysis, and Modeling (SAAM) Group within the Sensors Division uses modeling and simulation (M&S) to analyze system capabilities, develop enabling algorithms, and take these integrated systems through test. We focus on the capabilities and limitations of ground, air, surface, and space sensing and counter-sensing platforms and the resource management of these assets to assure the survivability of US air and space assets. SAAM also leverages the emerging use of autonomy and Artificial Intelligence in uncrewed systems and techniques to collect, fuse, and understand sensor data across full systems of systems to assure mission success. SAAM is developing software and hardware tools and datasets to support these analyses, including algorithms, processing chains, and scenarios to inform and deploy onto both prototype demonstration systems & operational systems. Our main customer focus is on Air Force, Navy, and DARPA research programs., The SAAM group is seeking a Senior Software Engineer to join high-performing teams transforming advanced concepts and algorithms into software implementations for prototypes and operational systems. You will work with scientists and engineers to design and implement algorithmic solutions to challenging national security problems. You will be responsible for enhancing the software architecture required to implement advanced algorithms in real-time hardware. You will also contribute to the development of engineer-facing tools and processes to facilitate long-term software development.

What you will do:

 * Collaboration: work as part of a small, focused team to implement and test real-time applications featuring open architecture software principles
 * System Development: leverage mature hardware systems and develop code to integrate them together, collaborating with SMEs across STR to leverage advanced algorithms where needed
 * System Test: work closely with test leads in the SAAM group to leverage testing capabilities across M&S and live test, leveraging Live-Virtual-Constructive (LVC) infrastructure
 * Customer Engagement: support and brief customers throughout the program lifecycle


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