Senior Software Engineer

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Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, accessibility, and sophistication of these systems can determine the outcomes of conflicts before they begin. STR’s Systems Development Division (SDD) focuses on developing advanced technology solutions to provide asymmetric advantages within the information domain. SDD executes the entire lifecycle of the solution, from conceptualization and architecture refinement through implementation and deployment, while leveraging novel technologies to deliver first‑of‑a‑kind systems.

Current efforts include programs for airborne and space RF sensors and advanced operations enabled by multi‑function, multi‑modal capabilities. As a Senior Software Engineer in SDD, you will design, develop, and test C++ software implementing complex embedded radar systems, with a primary focus on Air‑to‑Air applications.

• Translate system and software requirements into software designs compliant with architectural constraints and open architecture requirements
• Implement robust, high‑quality C++ software suitable for mission‑critical, real‑time systems with high reliability and availability requirements
• Develop test frameworks to verify correct implementation and performance of C++ software
• Utilize and help iteratively improve Dev Sec Ops  development practices
• Participate in peer reviews of requirements, architecture, software implementations, and test plans
• Document software designs and interfaces
• Develop analysis tools
• Perform root cause analysis of software defects and implement corrections

• This position requires the ability to obtain a Top Secret Security clearance, for which U.S. citizenship is needed by U.S. Government
• BS in Computer Science or related technical field with at least 5 years of relevant experience
• Demonstrate expertise in C++14 and software engineering techniques including multi‑threading, memory management, and performance optimization
• Have experience integrating with larger software systems, including unit and system‑level testing
• Understand the use of Git Lab, CI/CD tools, automated testing frameworks, and code quality tools in software development processes
• Feel comfortable adopting to new programming languages, third‑party software frameworks, and innovative technologies

• Active security clearance
• Demonstrate familiarity with signal processing or mathematical modeling
• Have experience with GPU software development
• Have experience with RDMA
• Have experience with C++17 and beyond
• Demonstrate familiarity with radar concepts
• Demonstrate familiarity with integrated systems combining software and hardware to interact with the physical world
• Have experience in developing, optimizing, and translating MATLAB algorithms into efficient C++ code
• Hold an advanced degree in Computer Science, Information Technology, or a related technical field
• Understand automation frameworks and tools used to streamline repetitive tasks and manage complex workflows
• Have domain expertise in one or more of the following areas: electronic warfare, antenna apertures, sensor resource management, large‑scale platform test systems, cyber physical systems, open system architectures

Full‑Time Salary Range: $134,000 - $184,000

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR…