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Principal Investigator Analysis & Decision Systems 

Category Engineering  

STR is hiring a Principal Investigator (PI) to lead the formulation and execution of ambitious research agendas that deliver key capabilities to our customers and markets. The PI will provide technical and management direction to an accomplished team of scientists and engineers, as they design and execute ambitious projects, ranging from early prototypes to integrated systems. He/she will interact effectively with national security customers and end-users to identify and develop project requirements and innovative solutions. The PI will define and grow new opportunities via leading and aiding winning proposal efforts.

Position Requirements

Required Skills:

  • US Citizen with the ability to obtain a Security Clearance
  • Past experience as Principal Investigator or Technical Lead for programs serving government research organizations (AFRL, ONR, DARPA, IARPA, etc.)
  • Demonstrated technical expertise in the development of innovative technical solutions, including managing a multi-disciplinary team in designing, building, and demonstrating those solutions.
  • In depth knowledge of some subset of the following domains is of particular interest: Command and Control Systems (C2), automated planning and scheduling, causal modeling, graph-based reasoning, natural language processing, anomaly detection, pattern of life reasoning, data visualization.
  • Proven experience generating innovative and successful proposals for government research organizations.

Desired Skills:

  • Active Security Clearance
  • Record of widely cited publications in peer-reviewed conferences and journals.
  • Scientific programming skills
About the Organization Systems & Technology Research (STR) is a rapidly growing technology company with locations north of Boston, MA, Arlington, VA and near Dayton, OH. We specialize in advanced research and development for defense, intelligence, and national security, trying to understand how to protect our society: from stopping malicious botnet attacks, to understanding cyber vulnerabilities, providing next generation sensors, radar, sonar, communications, and electronic warfare to developing 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, but you go home at night knowing that you pushed the forefront of technology and made the world a little safer. We recognize that the world is changing, that it is becoming more connected than ever before, making things change faster than before, and reshaping society in the process. We all want to understand this changing world and leave it better for our work.

We're 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!

EOE Statement STR is 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 name, phone number and email address.

US Citizenship is required for all positions.

This position is currently not accepting applications.

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