Senior Principal Software Engineer
Listed on 2026-08-17
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Software Development
Software Engineer, Data Scientist, AI Engineer (Applied/Software)
Country:
United States of America
Location:
US-MN-ST LOUIS PARK-5775 ~ 5775 Wayzata Blvd ~ WAYZATA, Ste 630 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:
Top Secret Security Clearance Status:
Active and existing security clearance required on day 1
At 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. Our Intelligent Software & Systems department is seeking qualified applicants to work on forward looking and projects in the areas of distributed systems, artificial intelligence, cyber security, information management, and virtual technologies.
We are looking for experienced, creative, and highly motivated Sr. Principal Software Engineer who can hit the ground running with development tasks, interact with current customers, contribute to one or more project teams, and contribute to BBN’s growth of current and new research areas. As senior member of the team, responsibilities will also include development and presentation of reports documenting design, test and evaluation and technical results.
What You Will Do:Develop and test software using Java and Python. Lead complex software development efforts and technical solutions. Collaborate with engineers, scientists, customers, and cross-functional teams. Support customer engagements, demonstrations, and technical evaluations. Develop technical documentation and present project results. Estimate development tasks and support long-term project planning. Contribute to new and emerging BBN research areas.
Qualifications You Must Have:- Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior software development experience or an Advanced Degree in a related field and minimum 7 years experience.
- 10+ years of Java development
- 10+ years of Python experience
- Experience interacting with customers, suppliers, and/or other organizations / disciplines.
- An active and transferable U.S. government issued security clearance is required prior to start date.
- Ability to lead complex development efforts
- Experience with estimating software tasks for extended periods of time (i.e. longer than 12 months).
- Android development experience a plus
- Network programming (e.g., sockets) or computer networking experience a plus
- JavaScript experience a plus
- Experience with the Team Awareness Kit (TAK) is a plus
- AI/ML development skills are a plus
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.
- parental (including paternal) leave
- flexible work schedules
- achievement awards
- educational assistance
- child/adult backup care
To help you achieve your goals, BBN will provide:
- A strong leadership team well-versed in government R&D
- A collaborative and collegial environment to push state-of-the-art research
- A diverse and technically competent pool of research scientists who are willing to mentor, listen, and help you refine your research vision and goals
- Business development, programmatic, contracting, finance, and HR support
Hybrid assignment:
On-Site work at customer location. Additional travel to business locations may be required.
Relocation…
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