Principal Software Engineer

BAE Systems, Inc.
Hudson, New Hampshire, United StatesFull-time$118,095–$200,762Posted Sep 18, 2026

About the role

Job Description

Are you an experienced Software Engineer looking for the next step to grow your career? Do you want to design and write software that really matters and be a part of a cause greater than yourself? At BAE Systems, our products provide critical mission capabilities to address the ever-evolving threats to our nation’s security and the war fighter. We need your talent, motivation, and vision as a Software Engineer to join our New Hampshire team, developing Next Generation Electronic Systems Products and Solutions. Help us "Protect Those That Protect Us".

BAE Systems in NH is currently undergoing an exciting period of growth. We are looking for talented Software professionals to help us create the world’s most advanced solutions in areas including Signals Intelligence (SIGINT), Aircraft Protection, Radar Warning and Electronic Attack for our defense related customers. For this position, we are looking for a Software Engineer to apply her/his skills to developing high-quality, real-time embedded software for Software Defined Radios (SDR) on fielded electronics platforms.

When you become a member of our team, you will work across multiple disciplines and collaborate with Systems, Hardware and Test Engineers to impact all phases of the Software Development Lifecycle. We promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security services. We offer a flexible work environment and 9/80 work schedule. Our company is part of the community and driven to improve our future and protect our freedom.

In this exciting role, you will enjoy opportunities to take on diverse and challenging work assignments, flexible scheduling with every other Friday off, an inviting and supportive culture, competitive compensation, and an excellent benefits package that includes tuition reimbursement for advanced degrees. We will provide you opportunities to learn, leverage our current technologies, incorporate new technologies, and if you desire…become an expert or future technical leader in our engineering organization.

Because this role involves a combination of collaborative/in-person and independent work, it will take the form of a hybrid work format, with time split between working onsite and remotely.

Required Education, Experience, & Skills

Bachelor’s Degree in Software Engineering, Computer Science, or Electrical Engineering - with 6+ years of related experience, or a Master of Science with 4+ years of related experience

Python, Java, C++ development experience

Experience with container technologies such as Kubernetes, Docker, Podman, Helm. Container Network Interfaces.

Experience developing software in a Linux development environment.

Motivated individual with strong problem-solving abilities

Willingness to perform a wide variety of related tasks

Current Secret clearance

Preferred Education, Experience, & Skills

Experience with Atlassian tools and/or GitLab CI/CD

Familiarity with gRPC and Pub/Sub frameworks (NATS, ActiveMQ, ZeroMQ, etc.)

Top Secret clearance

Agile Development experience

Javascript, HTML+CSS and thin client web application development experience

Pay Information

Full-Time Salary Range: $118095 - $200762

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 Electronic Systems

BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

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.

Responsibilities

  • Develop high-quality, real-time embedded software for Software Defined Radios
  • Collaborate with Systems, Hardware and Test Engineers
  • Impact all phases of the Software Development Lifecycle

Qualifications

  • Bachelor’s Degree in Software Engineering, Computer Science, or Electrical Engineering
  • 6+ years of related experience or a Master of Science with 4+ years of related experience
  • Python, Java, C++ development experience
  • Experience with container technologies such as Kubernetes, Docker, Podman, Helm
  • Experience developing software in a Linux development environment
  • Current Secret clearance

Benefits

  • Health, dental, and vision insurance
  • Health savings accounts
  • 401(k) savings plan
  • Disability coverage
  • Life and accident insurance
  • Paid time off and paid holidays
  • Tuition reimbursement for advanced degrees

Skills mentioned

PythonJavaC++LinuxDockerKubernetesHelmgRPCCI/CDEmbedded Software Development

About BAE Systems, Inc.

Improving the future and protecting lives is an ambitious mission, but it’s what we do. BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, security and aerospace company headquartered in Arlington, VA, with locations across the country. BAE Systems employees’ dedication and commitment show in everything they create and deliver, including advanced electronic systems, cyber operations and intelligence analysis, combat vehicles, naval weapons, ship maintenance and modernization, and vehicle upgrades and services. How we work is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. Connect your passion for making a difference to career full of purpose by visiting jobs.baesystems.com. BAE Systems, Inc. believes in the free exchange of ideas and encourages all visitors to its social media properties to engage in spirited conversation. We expect and encourage differences in opinions and perspectives, but we require a civil discourse. To that end, all posts and comments must: - Refrain from promoting partisan political causes. - Protect confidential, proprietary, embargoed or otherwise protected information. - Respect and protect intellectual property rights and permissions for artistic content. Further, BAE Systems will remove comments that do not contribute to a civil discourse. The following are examples of comments that will be removed: - Profanity, or any speech that is potentially denigrating or demeaning. - Violence, threats of violence, or implied violence. - Descriptions of illegal activity, or implied illegal activity. - Ad hominem attacks or personal insults. - Off-topic or demonstrably false information

Defense and Space Manufacturing10,001+ employeesFalls Church, Virginia