Software Engineer - Mid-Career

Leidos Holding$87K — $157K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • U.S. Citizen with ability to obtain SECRET security clearance; active SECRET clearance preferred.
  • Bachelor's degree in Computer Science, Computer Engineering, Electronics Engineering, or related STEM field.
  • 5+ years of experience in development and integration for embedded systems.
  • Proficiency in the C programming language and software version control (e.g., Git, Subversion).
  • Working knowledge of common embedded communications protocols and Linux command line tools.

Responsibilities

  • Collaborate to identify firmware and software requirements for technical challenges.
  • Architect and design robust embedded firmware and software platforms.
  • Implement and integrate firmware/software to meet project functionality and reliability requirements.
  • Develop and maintain engineering documentation and software requirements specifications (SRS).
  • Communicate across teams to coordinate development and feature implementation.

Benefits

  • Comprehensive health and wellness programs.
  • Opportunities for professional development and continuing education.
  • Access to cutting-edge technology and tools.
  • Collaborative and supportive team environment.
  • Potential for travel and hands-on field experience.
Full Job Description
The Undersea Systems Division at Leidos currently has an opening for a Software Engineer in San Diego, CA. Candidate will join a fast-paced engineering group rapidly prototyping a variety of ocean systems. Collaborate across our medium-sized team holding complete technical responsibility for custom development and prototyping across many technical disciplines. Team prototyping efforts span from real-world problem-solving, all the way through concept development, followed by iterative design and testing, and conclude with product demonstrations. Ideal candidates will bring deep experience in firmware and software design and design processes.

Primary Responsibilities:
• Collaborate with team to identify embedded firmware and software requirements and evaluate candidate design approaches for solving wide-ranging technical problems.
• Architect and design maintainable, robust, and performant embedded firmware and software platforms and related build and test processes.
• Implement, test, integrate, and verify firmware and software implementations satisfy project requirements for functionality, reliability, and usability; and meet team standards and expectations.
• Develop and maintain documentation including engineering documentation, interface control documents (ICD), and software requirements specifications (SRS).
• Communicate regularly across the engineering group to coordinate development efforts, anticipate design changes, prioritize feature implementations and bug fixes, and solicit team feedback.

Basic Qualifications
• U.S. Citizen with ability to obtain SECRET security clearance; active SECRET clearance preferred.
• Bachelor's (or higher) degree from an accredited institution in Computer Science, Computer Engineering, Electronics Engineering, or another STEM field.
• 5+ years of experience in development and integration for one or more of the listed platforms:

o Linux application software.

o Linux kernel and OS (Yocto, Buildroot) embedded microprocessor firmware and software.

o NVIDIA Jetson embedded firmware and software.

o RTOS or Bare-Metal embedded microcontroller firmware and software.

o Robot Operating System 2 (ROS 2) software.
• Proficiency in the C programming language.
• Proficiency in software version control processes (Subversion, Git, etc.).
• Proficiency in Linux command line tools (grep, etc.) and with Linux shell scripting (Bash, etc.).
• Working knowledge of common embedded communications protocols (SPI, RS-232, Ethernet, etc.).
• Working knowledge of software development processes (static analysis, build automation, etc.).
• Familiarity with embedded electronics test equipment (power supplies, oscilloscopes, debuggers).
• Experience testing firmware/software and debugging complex purpose-built embedded electro-mechanical systems.
• Ability to understand complex technical documents and communicate ideas orally and visually.

Preferred Qualifications
• 5+ years of experience in development for one or more of the listed applications:

o OpenCV (or similar) computer vision algorithms

o Digital Signal Processing (DSP), digital filtering, or other mathematical algorithms

o Robotics control system modeling and simulation
• Proficiency in embedded development IDEs and tools (Microchip MPLAB, GCC, GNU Make, etc.).
• Proficiency in data processing with (Matlab, Python, etc.).
• Experience in test automation.
• Experience with Graphical User Interfaces.
• Physical ability to:
  • Navigate lab, office, and warehouse environments-including frequent movement around piers, docks, and facility spaces-with the ability to stoop, kneel, reach for extended periods, and transport objects weighing up to 50 lbs. across the facility.
  • Use hands to operate machinery, tools, and computer equipment.
  • Climb ladders up to 20 ft and work comfortably in loud production environments, various temperatures, and inclement weather. This includes a willingness to work aboard marine vessels of various sizes, occasionally on an overnight basis.


SUBSEAMSS

Original Posting:
August 26, 2026

Pay Range:
Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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