Demo

Space Systems Principal Software Engineer - Sign-on Bonus

BAE Systems, Inc.
Merrimack, NH Full Time
POSTED ON 1/9/2026
AVAILABLE BEFORE 2/15/2026


Job Description


Do you have a Top Secret security clearance and experience building cloud native applications? Are you comfortable writing code in Java and/or React? Do you want to learn about software defined radios? We need your talent, motivation, and vision as a Principal Software Engineer in our Space Systems program area at our Merrimack, NH location.

You will join a team of engineers on a program that provides customers with scalable Software Defined Radio (SDR) platforms, utilizing on-site servers and cloud resources for the processing of complex Signals Of Interest (SOIs), enabling real-time situational awareness in support of the warfighter.

When you become a member of our team, you will work across multiple disciplines and collaborate with our Systems, Hardware and Test Engineers to impact all phases of the Software Development Lifecycle. At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We offer a flexible work environment and multiple options for work schedules (9/80, 4/10, and others). Our company is part of the community and driven to improve our future and protect our freedom.

If you have worked previously in a secure environment, enjoy contributing to a mission that matters, and think the description below sounds like you, we’d love to meet you!

Job Responsibilities

  • Contribute to the software development of a full stack application with APIs, containers, relational databases, and automated build pipelines.
  • Write software with Java, React, and maybe some Python in an agile environment
  • Collaborate with the team to troubleshoot and resolve issues identified in the fielded systems
  • Apply software best practices on our multi-discipline team

Because of the need for consistent, in-person collaboration and/or the requirement to perform all work onsite due to the nature of this particular role, it will be performed full-time on site.

Please note that pursuant to a government contract, this specific position requires US citizenship status.



Required Education, Experience, & Skills


  • TS and ability to obtain CompTIA Security certification and pass a CI polygraph
  • 6 years of software development experience, including experience with Java and React
  • Experience deploying to the cloud (AWS) with best practices (staging, production, automated testing)
  • Strong written and verbal technical communication skills
  • Bachelor’s Degree in Computer Science or Computer Engineering



Preferred Education, Experience, & Skills


  • CI polygraph
  • CompTIA's SECURITY certification
  • Experience with automated build pipelines, Jenkins, Ansible, & Atlassian tools
  • Familiarity with agile development methodologies
  • Podman & Kubernetes experience


Pay Information

Full-Time Salary Range: $115779 - $196825

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 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.

Salary : $115,779 - $196,825

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