• Solve problems to improve software assurance using static and dynamic analysis, language safety properties, symbolic execution, abstract interpretation, model checking, and automated and interactive theorem provers to tackle the nation's most pressing cyber security challenges.
• Explore techniques to support development of zero-defect software and systems.
• Work on research teams staffed with world-class experts to perform research and development improving the state-of-the-art in software assurance theory and practice.
• Work alongside engineers and scientists who are passionate about innovation and are driven to make a real difference in defending our nation.
• Participate in research projects that create and apply formal methods tools and techniques to real-world problems. Goals include formal verification of algorithms, improvement of code quality, elimination of software bugs and design flaws, formal specification description, and analysis of cyber-physical systems.
• Devise and develop algorithms, techniques, and new tools that implement and test your ideas for improving critical systems and more reliable reasoning under uncertainty.
• Analyze data and results related to system development. Show the benefits of using formal methods in system development as well as the positive effects of using analysis tools.
• Share knowledge by clearly articulating ideas through papers and presentations to technical staff, management and Government decision makers. Take advantage of opportunities to participate in working groups, sponsor meetings, proposal writing, and conferences.
• Join an environment that promotes professional growth, a balanced life, and encourages technical development.
• Have opportunities to participate in fun, social activities like our weekly game nights and yearly summer cookout!

• A Master’s in Computer Science, Computer Engineering, Electrical Engineering, Applied Math, or another field relevant to the duties as described above.
• 2+ years of either professional experience or a combination of graduate research and experience with formal methods, software assurance, or related areas.
• Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.
• Ability to understand code in a variety of programming languages, and be able to develop software to demonstrate new analysis capabilities.
• Interest in local limited travel, which may be required.
• Ability to obtain an Interim Top Secret level security clearance by your start date and can ultimately obtain a final Top Secret clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.
• Demonstrate strong interpersonal skills and the ability to work independently and on a team.

• 5+ years of experience with static and dynamic analysis, formal methods, or related areas.
• Experience with the above, familiarity with operational semantics, abstract interpretation, symbolic execution, type inference.
• Experience with software development on Windows and Linux, using languages such as Rust, OCaml, C/C++, and Java.
• Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools.
• Experience writing published papers and presenting results to conferences/workshops.
• Familiarity with a range of cyber-security concepts, such as network and host-based security, cryptography, trusted systems, and vulnerability/exploit discovery.
• Interest in improving system design to help reduce vulnerabilities and improve computer security.
• Current DoD clearance and prior experience working with Government agencies or Research Labs.

Why Work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.

At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL’s campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at https://www.jhuapl.edu/careers.

All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law. APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact Accessibility@jhuapl.edu.

The referenced pay range is based on JHU APL’s good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign-on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis.