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Principle Software Engineer

BAE Systems
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Nashua, NH, USA
Sep 22, 2026

Principle Software Engineer

Location: Nashua, New Hampshire; Austin, Texas

Job Description Our employees work on the world’s most advanced electronics -from detecting threats for F-35 pilots to illuminating the night for soldiers. Spanning air, land, sea, and space, we are developing the technology of tomorrow, delivered today. Drawing strength from our differences, we’re innovating for the future. And you can, too.
Our engineers are the lifeblood of our company and we’re more than 5,000 strong. With our robust offering of educational and career development opportunities, your chances to grow are limitless.

We are looking for a talented, experienced software engineer to join our SW Development team to help us create the world’s most advanced solutions in the area such as Signals Intelligence (SIGINT), Aircraft Protection, Radar Warning and Electronic Attack for our defense-related customers. Our products provide critical mission capabilities to address the ever-evolving challenges and threats to our nation’s security and the war fighter.

You will be an integrated team member, with growth opportunities, collaborating with Systems, Hardware, and Test engineers, primarily in the phases of Development, Integration and Testing. This position is customer-facing and offers the opportunity for regular customer interaction.

You will prepare project documentation intended to be used within complex programs or across sets of programs in accordance with established processes. We will provide you opportunities to learn, leverage our current technologies, incorporate new technologies, and be a leader in our engineering organization. We put our customers first - exemplified by our mission: “We Protect Those Who Protect Us®.”

This posting is intended for an Electronic Warfare project. The position requires full-time on-site.

Job Responsibilities:

  • Perform backlog prioritization in coordination with management and the customer
  • Work collaboratively in a team environment with both internal and external customers to maintain a positive and productive work environment
  • Maintain a regular and predictable work schedule.
  • On-time delivery of contract deliverables with acceptable quality and 90%+ first pass customer acceptance.
  • Plan/participate in formal software development milestone reviews with the engineering team as well as the customer
  • Evaluate complex software designs to identify design flaws.
  • Working with collaborative tools and supporting development of an automated digital delivery capability
Required Education, Experience, & Skills
  • Bachelor's degree in Computer Science or Computer Engineering with 6+ years of experience
  • Active Secret Clearance (active within the last two years)
  • Proficient in C++
  • Object Oriented Design/Development
  • Experience with software engineering processes, methodologies, and tools
  • Experience performing software testing, validation, and verification activities
  • GIT, Jira, Bitbucket, Visual Studio
Preferred Education, Experience, & Skills
  • Full life-cycle software development
  • Software automated test development and execution
  • Experience with Agile Development and DevSecOps
  • Experience using software tools like Jira, Confluence, BitBucket and ClearCase
  • Software/Firmware interface definition development
  • Experience with Embedded Software Development
  • Linux
  • Containerized based SW development
  • I&T Experience
  • EW Software Experience
  • DevSecOps
  • Agile
  • Works well in a team environment


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.

Job ID

BAE1US130222BREXTERNAL

Security Clearance

SECRET
About BAE Systems
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