Software Engineer Principal II
Listed on BAE Systems’s official careers site. Posted October 1, 2026. Check that it is still open and apply there.
Apply on BAE Systems’s careers site →Job description
Job Description
BAE Systems is a leading global defense, security, and aerospace company. We're seeking highly skilled Software Engineers to join our dynamic team, supporting our government customer in driving innovation, efficiency, and security in the rapidly evolving landscape of government mission and business information technology. We're looking for a talented Software Engineers to play a key role in developing and maintaining critical national security mission applications, integrating front-end and back-end systems using Agile methodology.
As a highly cleared software developer, you will be responsible for performing coding, testing, debugging, and deployment of secure applications, while collaborating with Government developers to ensure adherence to performance and security standards. #LI-PB2 Required Education, Experience, & Skills
- Must possess a TS/SCI clearance with appropriate polygraph
- Bachelor’s degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S.
Department of Education Intelligence Community and cleared SW development experience required 8 years of experience in SW development, conducting coding, testing, and deployment of secure applications, with a portion of the experience within the last 3 years. MDOPS Preferred Education, Experience, & Skills Master's degree in CS, CE, mathematics, physics or related field Experience developing applications to support quantitative analysis Experience integrating complex and/or experimental algorithms into established applications Working knowledge of applied cryptography Docker and Java experience HPC software development experience Experience integrating AI agents into development workflows Exposure to QPU and GPU HPC architectures Pay Information Full-Time Salary Range: $149603 - $254317 Please note: This range is based on our market pay structures.
However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits
At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance.
Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services.
Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale.
At BAE Systems, you’ll find a rewarding career that truly makes a difference. Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services.
Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.
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