Agentic AI Engineer

Location: US-VA-ARLINGTON-111 ~ 1300 17Th St N ~ BBN ARLINGTON Date Posted: 2026-06-25 Country: United States of America Position Role Type: Hybrid U.S. Citizenship and Security Clearance Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Security Clearance Type: TS/SCI without Polygraph Security Clearance Status: Active and existing security clearance required after day 1 For more than 70 years, scientists and engineers in a wide ranging disciplines at RTX BBN Technologies have collaborated to solve real-world problems through research, exploration, development and prototyping. We partner with the best technical talent in academia and industry to challenge the status quo, pioneer new technologies, and create transformative solutions. Our culture enables all employees to find purpose, thrive, and succeed. By creating an environment where all opinions are valued, risk-taking is encouraged, and excellence is rewarded, we allow our employees to do their best, most important work. We offer industry-leading benefits including 100% paid tuition program, a generous 401k company match, a Retirement Contribution, performance-based incentive plans, an onsite gym and game room, paid parental leave, paid time off and all kinds of employee discounts. What You Will Do Design, develop, and deploy agentic AI systems capable of autonomous reasoning, planning, and multi-step task execution. Build and optimize Python-based frameworks and tools that support scalable agent architectures. Integrate cutting‑edge research into practical applications, rapidly prototyping new agentic capabilities. Collaborate with research scientists and engineers to design experiments, evaluate system performance, and produce high‑quality technical documentation. Lead or contribute to peer‑reviewed publications, white papers, and internal research briefs. Partner with product and engineering teams to translate research insights into real-world impact. What You Will Learn Advanced techniques in agentic AI, including tool‑use, planning algorithms, multi‑agent coordination, and memory architectures. How to translate emerging research into production‑ready systems at scale. Best practices for evaluating autonomous AI behaviors and ensuring safety, reliability, and alignment. Collaboration workflows across research, engineering, and product teams. Exposure to a broad range of generative AI, reinforcement learning, and orchestration frameworks. Qualifications You Must Have Experience in Python, including building production‑quality systems. Experience developing agentic or autonomous AI systems. Experience in latest research in agentic AI, LLM architectures, planning algorithms, or autonomous reasoning. Experience designing and running experimental evaluations for AI models or agents. Technical writing skills, including authoring research papers, preprints, or detailed technical reports. Ability to work collaboratively with cross‑functional research and engineering teams. The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer Graduate degree in computer science, machine learning, artificial intelligence, or a related field. Experience with reinforcement learning, multi‑agent systems, or cognitive architectures. Contributions to open‑source AI frameworks or agentic toolkits. Familiarity with cloud‑native development, distributed compute, or containerized workflows. A track record of published research in top AI/ML conferences or journals. Learn More & Apply Now! Work Location: Onsite - Arlington, VA Please consider the following role type definition as you apply for this role: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in‑person at one of our office locations, regardless of whether the role is designated as on‑site, hybrid or remote. The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement. Hired applicants may be eligible for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective‑bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. 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, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr RTX