> Markdown version of [/jobs/ext/3003704-principle-software-engineer](https://www.wearedevelopers.com/jobs/ext/3003704-principle-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principle Software Engineer - **Company:** BAE Systems - **Location:** Nashua, NH, United States - **Experience:** Expert - **Salary:** $118,095.0 - $200,762.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Confluence, JIRA, Automation of Tests, C++ (Programming Language), IBM Rational ClearCase, Collaborative Software, Signals Intelligence, Computer Engineering, Linux, Embedded Software, Firmware, Microsoft Visual Studio, Object-Oriented Software Development, Software Tools, Software Engineering, Git, SC Clearance, Information Technology, Bitbucket, Devsecops - **Published:** September 19, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9178878/principle-software-engineer ## About the Role * 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 ## 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 ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [The QUEST for Better Software](https://www.wearedevelopers.com/videos/721-the-quest-for-better-software) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers)