Leidos

Software Engineer

Leidos
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2 months ago
San Diego, CA, USAMid Level
H1B sponsor

Base Salary

$87k - $157k/yr

Responsibilities

  • Collaborate with scientists and engineers to design, develop, and optimize algorithms for radar, optical, and infrared sensor systems.
  • Build scalable, high-performance backend systems for scientific computing in distributed environments.
  • Integrate, refactor, and improve scientific codebases for efficiency and scalability.
  • Translate and optimize existing code for GPU/CUDA acceleration and parallel or distributed execution.
  • Test, document, maintain, and enhance software in Linux/Unix environments.
  • Contribute to a collaborative multidisciplinary research and engineering team.

Requirements

  • Bachelor’s degree in Computer Science, Applied Mathematics, Physics, or a related field with 4+ years of backend software development experience, or a Master’s degree with 2+ years of experience; equivalent experience may substitute for a degree.
  • U.S. citizenship and the ability to obtain a Top Secret clearance; an active Top Secret clearance is preferred.
  • Strong C/C++ backend software development experience with large-scale, performance-critical applications.
  • Experience with high-performance computing, parallel and distributed processing, and MPI.
  • Hands-on GPU/CUDA programming and optimization experience.
  • Familiarity with AI/ML and LLM concepts and algorithms.
  • Strong foundation in advanced mathematics or physics and the ability to apply theory to software solutions.
  • Proficiency in Linux/Unix development environments and experience with scientific programming, algorithm development, and system-level problem-solving.
  • Understanding of software engineering principles, best practices, and technical documentation.
  • Preferred experience includes Agile development, object-oriented design, modern software architecture, Git, GitLab, MATLAB, Fortran, and multithreaded or shared-memory application development.

Benefits

  • The advertised pay range is $87,100.00-$157,450.00 per year.
  • The role is based in San Diego and supports U.S. defense missions; work arrangement is not otherwise specified.

Tech Stack

CC++FortranGitLinuxMATLAB

Categories

Leidos

About Leidos

10,000+ employees

Leidos builds and operates technology and engineering solutions for defense, intelligence, civil, and health agencies, including systems integration, cyber, enterprise IT, sensors, and healthcare IT. It primarily sells through government contracts and long-term programs, plus managed services and mission software. Founded in 1969 and headquartered in Reston, Virginia, Leidos is a Fortune 500 public company on the NYSE; customers include U.S. defense and intelligence agencies and civil bodies such as the FAA.

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