Demo

Software Engineer I – Entry Level EO/IR Software Engineer

BAE Systems
BAE Systems Salary
Merrimack, NH Full Time
POSTED ON 9/23/2026
AVAILABLE BEFORE 11/22/2026

Job Description
Join BAE Systems’ Countermeasure & Electromagnetic Attack Solutions (CEMA) business area where we provide next-generation threat detection and countermeasure solutions to provide unparalleled electronic warfare capabilities to enhance mission survivability. Our team leverages industry leading EO/IR and RF technologies to advance multi-platform detection, tracking, and defeat of incoming threats to support aircraft, ground vehicle, and maritime survivability. We continue to build on more than 40 years of experience fielding Electro Optical Infra-Red (EO/IR) survivability solutions in complex rotary and fixed-wing aircraft and ground vehicle environments. Our team uses advanced machine learning-based algorithms to enable fast adaption for new and emerging threats for airborne, land, and maritime products.

Our engineers are the lifeblood of our company and we’re more than 5,000 strong. We offer a flexible "9/80" schedule with every other Friday off. Additionally, with our robust offering of educational and career development opportunities, your chances to grow are limitless. We pair new employees like you with a mentor – someone who’s eager to welcome you to BAE Systems and help you get connected to and settled into the BAE Systems community.

We are looking for a talented early career software engineer to support analyzing, developing, and coding complex software for EOIR algorithm and test automation development. You will be an integrated team member, collaborating with Systems, Hardware, and Test engineers in one or more of the phases of Design, Development, Integration and Testing. You will prepare design and project documentation intended to be used within complex programs or across sets of programs in accordance with established processes.

We will pair you with a mentor and provide you with opportunities to learn, leverage our current technologies, incorporate new technologies, and make an impact within the larger engineering team. We put our customers first – exemplified by our mission: “We Protect Those Who Protect Us®.”

Job Responsibilities

  • Developing EO/IR tools, EO/IR algorithm development, test automation software, software tests, test automation frameworks, and testing tools for classified programs.
  • Duties include analyzing, designing, coding and code modification (typically in C and Python) of complex software designs for simple systems or subsystems or subsystems of larger systems.
  • Evaluate complex software designs to identify design flaws.
  • Prepare design documentation, in accordance with established processes.
  • Utilize a Linux based software development environment. Embedded targets could range from ARM through high performance x86-64 CPUs and Graphics Processing Units (GPUs). You will be integrating and testing in the selected target test environments.
  • You may participate in external project interactions with other companies.
  • Desire to become a subject matter expert in EO/IR software development.


Required Education, Experience, & Skills
  • Bachelor’s degree in computer science, computer engineering, or related field, and 0 years of professional experience.
  • Experience with Object Oriented design, development practices, and implementation in C
  • Experience using scripting languages, such as Python
  • Experience with Linux software development
  • Willingness to perform a wide variety of related tasks
  • Must be eligible to obtain and maintain a Secret Clearance


Preferred Education, Experience, & Skills
  • Secret Clearance (active within the last two years)
  • Real-time embedded development
  • Experience using Python and Modern C
  • Experience with Real-time Embedded Software Development
  • Agile Development experience
  • Experience using software collaboration and version control tools such as Jenkins, Jira, Confluence, BitBucket, and GitLab
  • Experience with Containers including Docker, Podman or Kubernetes


Pay Information
Full-Time Salary Range: $64926 - $110374

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.

Salary : $64,926 - $110,374

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