Lead Software Engineer

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 sensors and advanced operations enabled by multi-function, multi-modal capabilities.

As a Lead Software Engineer in SDD, you will design, develop, integrate, and test software implementing complex systems following object-oriented design principles and patterns with a primary focus on air and space applications. This role requires in-person work at our Dayton, OH or Woburn, MA office. Occasional travel (<20%) for meetings or engineering activities is required.

What you will do:

Translate system and software requirements into software designs compliant with architectural constraints and open architecture requirements

Implement robust, high-quality, high level programming languages including Java and Python, to develop and integrate with software suitable for mission-critical, real-time systems with high reliability and availability requirements

Develop test frameworks to verify correct implementation and performance of developed software

Utilize and help iteratively improve DevSecOps 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

Who you are:

This position requires an active Top Secret (TS) Security Clearance with SCI eligibility, for which U.S. citizenship is needed by U.S. Government

BS or MS in Computer Science or related technical field with 7+ years of related experience

Demonstrate expertise in Java, Python, Object-Oriented Design, and advanced 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 GitLab, CI/CD tools, automated testing frameworks, and code quality tools in software development processes

Feel comfortable adopting to new programing languages, third-party software frameworks, and innovative technologies

Nice to haves:

Familiarity with developing and optimizing C++ code

Demonstrate familiarity with integrated systems combining software and hardware to interact with the physical world

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 planning/management, large-scale platform test systems, cyber physical systems

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 is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at for more info.

STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.