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Cyber Security Researcher 

Category Engineering  

STR is a privately-owned, rapidly growing business focused on research and development (R&D) for the defense and intelligence communities. STR has approximately 200 employees at sites in Woburn, MA, Dayton, OH, and Arlington, VA. We are a nationally recognized leader in research areas including data analytics, sensors and signal processing, electronic warfare, cyber, video and image understanding, command and control, and precision navigation. Several programs have transitioned advanced technology to military and intelligence users. While our primary focus is on serving US Government customers, we are pursuing commercial applications as well.

STR performs advanced research and development using machine learning, program analysis, optimization, artificial intelligence, and formal methods for the cybersecurity and resiliency of cyber-physical systems. Targeting the hardest security challenges facing our national defense, STR is developing cutting-edge capabilities in cyber-physical systems modeling, vulnerability analysis, and attack detection and remediation. We are growing rapidly and hiring at all levels and across disciplines for new and exciting projects. We seek software developers and researchers who love a challenge and are passionate about technology & security, from the bare metal to the cloud, and everywhere in between.

Job Description:

  • Work in small research teams to develop innovative software prototypes
  • Apply a diverse set of advanced technologies, e.g., program analysis (static, dynamic, symbolic), formal methods, artificial intelligence, and machine learning, to solve the most difficult cybersecurity challenges
  • Span the stack or find a niche: from developing tools for the automatic instrumentation and modification of program binaries, to automation and planning technologies to coordinate large-scale cyber operations, STR cyber programs cover a broad territory.
Position Requirements

Basic Qualifications:

  • BS, MS, or PhD in Computer Science, Computer Engineering, Electrical Engineering, Physics, Mathematics, Cybersecurity or related field
  • Ability to obtain a security clearance (US Citizen)

Desired Qualifications (one or more of these areas):

  • Proficiency in one or more programming languages: C/C++, Java, Python, X86 Assembly, MATLAB
  • Experience performing static/dynamic/symbolic program analysis
  • Machine learning or autonomy in the context of network operations and security
  • Intermediate representations (e.g. LLVM) and virtualization
  • Mathematical analysis and optimization
  • Development of domain specific languages
  • Operating system internals including memory/process/thread management
  • Computer architectures
  • System identification, modeling, and simulation
  • Experience with software and hardware emulation tools (e.g., QEMU, Unicorn, KVM, ModelSim), including: OS-level and application-level virtualization, virtual hardware device development, VM management and debugging, and VHDL/Verilog simulation
  • Linux development with kernel development and/or driver development
  • Artificial intelligence/planning technologies
  • Reverse engineering software using tools such as IDA, Binary Ninja, or Ghidra
  • Signal processing
  • Formal methods applied to security applications
  • Graph theory
  • Active security clearance

STR seeks to provide an outstanding work environment for its employees with excellent benefits and competitive compensation. Full-time employees enjoy 401(k), profit sharing, health and welfare benefits, subsidies for training and conference attendance to foster continued learning and development, and a casual yet technically challenging work environment.

STR is dedicated to fostering a diverse and inclusive workforce where all employees, regardless of race, ethnicity, gender, neurodiversity, or other personal characteristics, feel valued, included, and empowered to achieve their best. We recognize that each employee’s backgrounds, experiences, and perspectives are essential for providing our customers with innovative solutions to challenging national security problems. STR’s commitment to attracting, retaining, and engaging talented and diverse professionals is demonstrated by our participation, sponsorship, and support in local and national minority organizations.

Applicants must be US Citizens.

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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