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# Principal Software Engineer

- **Company:** BAE Systems
- **Location:** Nashua, NH, United States
- **Experience:** Expert
- **Salary:** $118,095.0 - $200,762.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, C++ (Programming Language), Computer Engineering, Data Structures, Software Design Documents, Software Design Patterns, Memory Management, Linux on Embedded Systems, Field-Programmable Gate Array (FPGA), Real-Time Operating Systems, Simulink, Software Engineering, Software Systems, System on a Chip, Systems Integration, Verilog, VHSIC Hardware Description Language (VHDL), Vivado, Model-Driven Development, Information Technology
- **Published:** October 14, 2026
- **Apply:** https://jobs.baesystems.com/global/en/job/131410BR

## About the Role

Job Description Are you a highly experienced and innovative Principal Engineer passionate about pushing the boundaries of embedded systems? Do you thrive on complex technical challenges and want to lead the development of cutting-edge electronic systems that directly contribute to national security?, * Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field. Master's degree preferred.

 * Active Secret DoW clearance.
 * 6+ years of experience in embedded systems development.
 * Experience with Xilinx FPGAs: including experience with Vivado, VHDL or Verilog, and embedded processor cores (e.g., MicroBlaze, Zynq).
 * Proficiency in C/C++ with a strong understanding of memory management, data structures, and algorithms.
 * Experience with real-time operating systems (RTOS).
 * Strong analytical and problem-solving skills.
 * Excellent communication and interpersonal skills.

Preferred Education, Experience, & Skills

 * Experience with hardware/software integration and testing.
 * Experience with model-based design tools (e.g., Simulink).
 * Experience with Xilinx SDSoC or Vitis.
 * Security focused development experience and understanding of common vulnerabilities.

## Description

We are seeking a highly skilled and motivated Principal Engineer to assist with the development of critical embedded systems for our Precision Strike & Sensing Solutions (PGSS) business. PGSS designs, develops, and manufactures state-of-the-art seeker, guidance, and control technologies for precision munitions. In this role, your technical expertise will be assisting in executing on design, implementation, and validation of complex embedded systems, with a strong focus on FPGA-based processing and embedded Linux environments. You will be responsible for mentoring junior engineers, driving technical excellence, and ensuring the successful delivery of high-quality, reliable products., * Participate in the architectural design, development, integration, and testing of complex embedded systems utilizing Xilinx FPGAs and Embedded Linux.

 * Collaborate with the engineering team on standards, best practices, and design patterns.
 * Collaborate with systems engineers to translate requirements into robust and efficient software solutions.
 * Investigate and resolve complex technical issues, serving as a subject matter expert.
 * Contribute to the development of technical documentation, including specifications, design documents, and test plans.
 * Participate in the full software development lifecycle, including requirements analysis, design, implementation, testing, and deployment.