Research Software Engineer, Formal Methods

RTX Corporation combines Collins Aerospace, Pratt & Whitney, and Raytheon, serving commercial, military, and government customers worldwide. The BBN team is part of RTX’s advanced technology initiatives.

Research Software Engineer, Formal Methods – Hybrid (Cambridge, MA / Arlington, VA / Columbia, MD)

Responsible for developing software and formal methodologies to enhance security and resilience of large dynamic systems. Lead development efforts, design model checking and theorem proving frameworks, and collaborate with experts in networking and systems security.

• Program and test software and systems in Python, C, C++, Java, and logic programming languages.
• Design and develop formal and informal models for protocols and systems used in model checking and theorem proving.
• Develop algorithms to analyze software and communication systems, identify vulnerabilities, and improve security.
• Apply critical analysis to results, validate technical hypotheses, and recommend next steps.
• Own large components of projects and support cutting–edge research for customers.
• Travel up to 10% to meet with BBN, RTX, teammate, or customer sites.

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or Physics, or equivalent experience.
• Minimum of 2 years of software development experience, or a Master’s degree with at least 1 year of experience.
• Proficiency with Python, C/C++, or Java and related development tools.
• Understanding and familiarity with Formal Methods, including model checking, model checking, and theorem proving.
• Experience with mathematical logic, logic programming, networking fundamentals, and systems security.
• Ability and willingness to obtain a Top Secret security clearance within one year.

• Expertise in model checking, modelworthiness, and theorem proving at scale.
• Experience writing logic for SAT/SMT solvers.
• Advanced Python and/or shell scripting proficiency.
• Experience in networking and protocols (TCP/IP, BGP, RF comms, etc.).
• Existing active or transferable Top Secret clearance.
• Experience crafting proposals or capture work.

Hybrid with a significant presence at one of the three RTX locations:
Cambridge, MA;
Arlington, VA; or Columbia, MD.

• Competitive salary range: 68,900 USD – 131,100 USD.
• Health, dental, vision, and life insurance.
• Short‑term and long‑term disability coverage.
• 401(k) match and flexible spending accounts.
• Paid time off, holidays, and parental leave.
• Flexible work schedules and remote work options.
• Educational assistance and child/adult backup care.
• Strong leadership and collaborative research environment.

Salary range is 68,900 USD – 131,100 USD. Salary is a good‑faith estimate and may vary based on experience, education, and skills.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status. RTX provides affirmative action for qualified individuals with a disability and protected veterans, compliant with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.