GPU Software Engineer

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

Benefits offered by this job

Competitive benefits

PTO 4+ weeks

401(k) with company match

Job summary

Leidos is seeking a Software Engineer in Arlington, VA to design and implement real-time signal processing algorithms on GPUs. You will craft CUDA kernels, parallelize algorithms, and integrate with Linux/RTOS environments for high-performance systems.

The role involves collaborating with a multi-disciplinary team, handling data transfer, and working with RF hardware interfaces. A Secret-level clearance is required.

Qualifications

• Bachelor's degree in a relevant engineering or CS field.
• 8+ years of software development experience with C/C++.
• Experience with real-time, GPU-accelerated systems and Linux-based RTOS.
• Experience with NVIDIA development and profiling tools and libraries.
• Active Secret security clearance or ability to obtain TS/SCI.

Responsibilities

• Design and develop real-time signal processing algorithms for GPUs.
• Collaborate with cross-disciplinary teams across hardware, firmware, ML, RF, and software.
• Parallelize existing algorithms and craft custom CUDA kernels.
• Develop multi-threaded software for multi-core Linux or RTOS environments.
• Ensure high-speed data transfer and low-latency code.
• Interface with TCP/IP, UDP, DDS protocols and configure RF hardware.

Skills

GPU programming

CUDA kernels

C/C++

Linux RTOS

Signal processing

MATLAB

Networking: TCP/IP UDP DDS

Education

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

Tools

NVIDIA development tools

cuBLAS

cuFFT

cuSOLVER

cuRAND

Compute Sanitizer

NCU

Job description

Today,

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.

The Successful Candidate Will Be Responsible For

• 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

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. Join us and make a difference in Electronic Warfare Technology!

The Successful Candidate Will Have The Following Education/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/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

NKE

ElectronicWarfare

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

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

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

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.