GPU Software Engineer

Leidos LLC; Arlington (VA); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off

Holidays

401K with company match

Flexible schedules

Stock Purchase Plan

Technical Upskilling

Education and training support

Parental paid leave

Job summary

Leidos in Arlington, VA seeks a Software Engineer to design, develop, and integrate real-time signal processing algorithms on GPUs within the Electronic Warfare Division.

The role emphasizes CUDA kernel development, NVIDIA tools, and multi-disciplinary collaboration across ML, RF, and systems engineers. Requirements include 8+ years in C/C++, a Bachelor’s in the relevant field, and an active Secret clearance with TS/SCI eligibility.

Qualifications

• Bachelor’s degree in Computer Engineering, Electrical Engineering, or Computer Science.
• 8+ years of software development experience, including strong experience in C/C++ software development.
• Experience with Government open architectures for real-time systems (Big Iron or Cobra).
• Experience with NVIDIA development and profiling tools and libraries (Compute Sanitizer, NCU, cuBLAS, cuFFT, cuSOLVER, cuRAND).
• Experience using version control (Subversion, GIT) and CI tools (Jenkins).
• Must have active Secret level security clearance with the ability to obtain TS/SCI.

Responsibilities

• Design and develop advanced systems as part of multi-disciplinary teams.
• Work with teams across engineering, hardware, firmware, ML, RF front end, and signal processing.
• Develop real-time C/C++ software for multi-core Linux or RTOS (e.g., VxWorks).
• Create high-performance CUDA kernels and GPU-accelerated pipelines.
• Interface with TCP/IP, UDP and DDS; enable fast data transfer and low latency.

Skills

C/C++ software development

GPU programming

Parallel computing

Real-time systems

MATLAB GPU coder

Linux

CUDA kernels

Version control / CI tooling

Education

Bachelor’s degree in Computer Engineering, Electrical Engineering, or Computer Science

Master’s degree in Computer Engineering, Electrical Engineering, Computer Science, or equivalent

Tools

NVIDIA development tools (Compute Sanitizer, NCU)

cuBLAS

cuFFT

cuSOLVER

cuRAND

Git/Subversion/Jenkins

Linux / VxWorks RTOS

Job description

Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Our division currently has an exciting opportunity for a Software Engineer to perform design, development, and hardware/software integration in Arlington, VA for the Electronic Warfare Division. Our division primarily focuses on research & development and advanced prototyping, transforming state of the art signal processing algorithms into real-time software systems. The successful candidate will be responsible for designing and implementing real-time signal processing algorithms on GPUs.

Responsibilities

• Contributing to design and development of advanced systems as a part of multi-disciplinary teams.
• These teams are made up of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing.
• Achieving key project/program objectives and deliverables for entire projects or processes spanning multiple technical areas and independently managing large projects or processes
• A solid understanding of GPU programming and parallel computing architectures
• Understanding signal processing algorithms written in MATLAB
• Parallelization of existing algorithms
• Decomposing complex signal processing chains into discrete components and kernels
• Hand crafting bespoke CUDA kernels for high performance
• Designing and implementing multi-threaded software architectures
• Designing, implementing, and testing high speed data transfer / Latency codes
• Designing, implementing, and testing real-time C/C++ software for multi-core systems running Linux or a real-time operating systems, such as VxWorks
• Build software products that utilize third party mathematics and communication libraries
• Interface communication standards / protocols such as TCP/IP, UDP, and DDS
• Work with Linux operating system as well as experience with real-time operating systems
• Designing, implementing, and testing software to configure and control RF hardware devices
• Documenting the developed systems
• Support system field testing and collection events
• Must be willing to travel up to 10% of the time

Benefits

• 4 or more weeks Paid Time Off
• 11 paid Holidays
• 401K with a 6% company match and immediate vesting
• Flexible Schedules
• Discounted Stock Purchase Plans
• Technical Upskilling
• Education and Training Support
• Parental Paid Leave
• and much more

At Leidos, we offer competitive benefits http://www.leidos.com/careers/pay-benefits, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.

Education and Experience

• Bachelor’s Degree in Computer Engineering, Electrical Engineering, or Computer Science
• 8+ years of software development experience, including strong experience in C/C++ software development
• Experience with Government open architectures for real-time systems, such as Big Iron or Cobra
• Experience with NVIDIA development and profiling tools and libraries, including Compute Sanitizer, NCU, cuBLAS, cuFFT, cuSOLVER, and cuRAND
• Experience using version control (Subversion, GIT, etc.) and continuous integration software tools (Jenkins)
• Must have active Secret level security clearance with the ability to obtain a TS/SCI.

Bonus Education and Experience

• Master’s Degree in Computer Engineering, Electrical Engineering, Computer Science, or equivalent
• Existing security clearance higher than the Secret level
• Experience with Machine Learning and/or Artificial Intelligence algorithms and libraries, such as TensorFlow
• Experience with MATLAB GPU coder tool
• Experience with High Performance Computing including parallel and distributed computation
• Experience with Model-Based Design code generation practices
• Experience with cloud-based computing platforms, such as Amazon Web Services (AWS)
• Experience with other programming languages such as Python and/or Java

Original Posting: September 30, 2026 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 $107,900.00 - $195,050.00

Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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