Software Engineer

Job Description

Description

Leidos tackles the most challenging national defense problems using advanced signal processing algorithms and data analytics. At our San Diego office, we have a dedicated and experienced team of scientists and software engineers devoted to squeezing the last bit of information from every data set. We are currently seeking software engineers / computer scientists to join our leading-edge research and engineering group.

In this role, you will collaborate with multidisciplinary team members focused on Hydrodynamics, Physics, Acoustics, and Signal Processing to design, implement, and deliver cutting edge software solutions to complex problems.

This position will afford you the opportunity to grow and develop your skills in addition to solving high profile national defense problems. We hire people with curiosity and passion about science, technology, engineering, and math and who want to take that passion and turn it into reality.

Primary Responsibilities

Work alongside a team to incorporate scientific algorithms into a large code stream

Testing and evaluating new and existing software implementations

Assist in translation of existing software to make compatible with GPUs

Software Documentation

Basic Qualifications

Bachelor's degree in computer science, or related technical field with at least 6+ years of experience or Master's degree with 4+ years of relevant experience. May consider more years of relevant experience in lieu of degree.

Must be a US citizen with the ability to obtain US Government Top Secret security clearance

Fluency in C / C++, Java, or Python

Strong understanding of software development and design principles and practices

Strong written and verbal communication skills

Strong software documentation skills

Scientific programming experience

Experience developing in Linux / Unix environment

Required on-site full-time work in San Diego, CA

Preferred Qualifications

Currently holds an active US Government Top Secret security clearance

Physics or Applied Mathematics background or major

Software architecture and object-oriented design

Understanding of Agile Software Development Methodology

Distributed processing programming

Experience applying advanced mathematical concepts in software applications

Experience programming in C / C++, single and / or multi-threaded applications

C / C++ shared memory application programming

Git

MPI

GPU / CUDA

MATLAB

GitLab

Fortran

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting : August 22, 2025

For U.S. Positions : While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range : Pay Range $85,150.00 - $153,925.00

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.