Eng Sr Prin - SW at BAE Systems in Nashua, NH

Do you want to write software that truly matters? Do you want to play a direct role in bringing America’s warfighters home safely? Do you want to apply your technical mastery to a cause greater than yourself? If so, we need to talk.

In Precision Strike & Sensing Solutions (PS), we design, develop, and manufacture state-of-the-art systems that enable our customers to execute their missions. We are the industry leaders in seeker, guidance, and control technologies for precision munitions. We are looking for a seasoned Senior Principal Software Engineer who finds satisfaction in technical excellence and the challenge of keeping the factory running. This role is the backbone of our high-volume manufacturing environment, supporting critical programs such as THAAD (Terminal High Altitude Area Defense). You will be responsible for the software and systems that build, test, and troubleshoot these products. Your work ensures that our production lines stay active and that the tools used to verify our technology are precise and reliable—directly impacting our ability to deliver critical capabilities to the warfighter. Your Impact:

• Technical Stewardship: Serve as the subject matter expert for the software that powers our manufacturing and test equipment, ensuring high-volume production remains seamless and efficient.
• Production Problem Solving: Tackle complex software challenges in real-time to resolve bottlenecks on the factory floor and prevent production delays.
• Systems Optimization: Use your expertise to evolve our existing production processes, implementing new techniques to improve the reliability of our build and test software.
• Hands-on Integration: Balance independent deep-work with collaborative time on the factory floor, working directly with the machines and systems that bring our technology to life.

Note: This is an in-office position to allow for direct integration with our manufacturing floor.

About BAE Systems Electronic Systems

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. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

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.

Required Skills and Education

• Bachelor's Degree in Computer Science, Computer Engineering, or a related field, and a minimum of 6 years of professional experience.
• Ability to obtain and maintain a Secret Security Clearance.
• Deep technical proficiency and a strong background in C/C++.
• Experience with NI Test Stand

Preferred Skills and Education

• Experience designing or implementing software algorithms.
• Strong familiarity with software engineering processes, methodologies, and tools.
• Proven track record in software testing, validation, and verification (V&V) activities.

Benefits Information

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.

Intern Benefits: Temporary employees generally are not eligible for BAE Systems benefits, but can elect to participate in the 401(k) savings plan. Temporary employees working 20+ hours per week are eligible for medical benefits, the employee assistance program, and business travel accident insurance.

Please note: Some benefits may be different for union employees that are governed by a collective bargaining agreement (CBA) or for positions covered by a wage law called the McNamara-O’Hara Service Contract Act (SCA).