Senior Software Engineer

Date Posted:2026-06-22 Country:United States of America Location:US-CA-REMOTE Position Role Type:Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: TS/SCI Security Clearance Status: Active and existing security clearance required on day 1At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense.For over 70 years, RTX BBN Technologies (BBN) has solved challenging problems through research, exploration, development, and prototyping. BBN’s Network & Cyber Technologies (NCT) team leverages computer science, computer engineering, electrical engineering, math, and physics to tackle customer challenges in electromagnetic warfare (EW), communications, cybersecurity, cyberspace operations, networking, and RF domains for the U.S. Department of Defense (DoD) and Intelligence Community (IC) customers.Role Overview: BBN is looking for an individual excited by the prospect of developing exploits, implants, and payloads to deter and defeat our Nation’s adversaries. You are an ideal candidate if you are creative, curious, and persistent in finding system vulnerabilities. We are looking for a highly motivated individual who wants to create, contribute to, and grow cutting-edge research and development projects for offensive cyberspace operations.What You Will Do:Work with a small team on cutting-edge research and development projects.Design and develop prototype software using the latest open-source technologies.Receive and incorporate feedback from end users, field tests, and exercises.Explore technical possibilities collaboratively with motivated, world class colleagues.Deliver practical solutions to complex problems.Provide On-Site support to customer environments in San Diego, CA or Honolulu, HI.Willing to travel 10% to 15%.Qualifications You Must Have:BS degree in Computer Science, Computer Engineering, Electrical Engineering, or relevant field plus 5 years of related experience, or MS plus 3 years’ experience, or PhD graduateSignificant experience with Java, Linux, Computer Networking, and Cloud IntegrationExperience with distributed systems, cybersecurity, middlewareExperience working in a self-directed manner as part of a teamActive and transferable U.S. government issued TS/SCI security clearance is required prior to start date.​  U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​Qualifications We Prefer:Creative problem solving and experimental design with strong oral and written communication skillsExperience working in a self-directed manner as part of a teamPrior military experience or experience working within the DOWWhat We Offer:Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.To help you achieve your goals, BBN will provide:A strong leadership team well-versed in government R&DA collaborative and collegial environment to push state-of-the-art researchA diverse and technically competent pool of research scientists who are willing to mentor, listen, and help you refine your research vision and goalsBusiness development, programmatic, contracting, finance, and HR supportLearn More & Apply Now!Hybrid assignment: On-Site work at customer location in San Diego, CA or Honolulu, HI. Additional travel to business locations may be required. Relocation Assistance availableAs 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 86,800 USD - 165,200 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 w