Senior Software Engineer Specialist

L3Harris Technologies; Tulsa (OK); On-site; USD 120,000 - 180,000; Full time

Job summary

L3Harris Technologies is seeking a Real-time Development Engineer 4 to design and optimize GPU-accelerated software for mission-critical applications on NVIDIA GPUs. The role emphasizes CUDA C/C++ development, Python scripting, and Linux-based integration within a fast-paced team.

Strong emphasis on performance optimization aligns with real-time requirements. The position requires collaboration with software, systems, and algorithm engineers, with a focus on production-quality implementations

Qualifications

• Bachelor’s degree with 6+ years of relevant software experience or equivalent.
• 6+ years C/C++ experience and 2+ years Python experience.
• 4+ years CUDA experience and Linux development experience.

Responsibilities

• Develop CUDA C/C++ software for NVIDIA GPU-based systems.
• Translate and optimize computational algorithms into efficient GPU implementations.
• Support development of image processing and high-performance software applications.
• Analyze existing software and algorithms to identify opportunities for parallelization and acceleration.
• Improve software performance through optimization of kernel execution, memory usage, and data movement.
• Develop and execute unit, integration, and performance tests to validate functionality and accuracy.
• Collaborate with cross-functional teams including software, systems, and algorithm engineers.
• Participate in software design reviews, code reviews, and technical discussions.
• Support software integration and debugging in Linux-based environments.
• Document software design, implementation, test results, and performance findings.

Skills

CUDA

C/C++

Python

Linux

Source control

Security clearance eligible

Education

Bachelor’s Degree

Graduate Degree

Experience in lieu of degree

Tools

Nsight Systems

Nsight Compute

NVIDIA Visual Profiler

Compute Sanitizer

Docker

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Real-time Development Engineer 4

Job Code : 41937

Job Location: Tulsa, OK

Schedule: 9/80 employees work 9 out of 14 days- totaling 80 hours worked- and have every other Friday off

Job Description

L3Harris is seeking a Developer, Software Engineering with experience in CUDA, C/C++, and Python to support the development of high-performance GPU-accelerated software for advanced mission applications. The selected candidate will work closely with software and algorithm teams to translate computational and image-processing algorithms into efficient CUDA C/C++ implementations for execution on NVIDIA GPU platforms.

This role is ideal for an engineer who enjoys performance optimization, parallel programming, and the challenge of converting algorithmic concepts into production-ready software. The position includes design, implementation, integration, profiling, test, and optimization of GPU-based software in a Linux development environment. Our development efforts aim to achieve the best possible performance to meet demanding real-time requirements.

Essential Functions

• Develop and maintain software in CUDA C/C++ for NVIDIA GPU-based systems.
• Translate and optimize computational algorithms into efficient GPU implementations.
• Support development of image processing and related high-performance software applications.
• Analyze existing software and algorithms to identify opportunities for parallelization and acceleration.
• Improve software performance through optimization of kernel execution, memory usage, and data movement.
• Develop and execute unit, integration, and performance tests to validate functionality and accuracy.
• Collaborate with cross-functional teams including software, systems, and algorithm engineers.
• Participate in software design reviews, code reviews, and technical discussions.
• Support software integration and debugging in Linux-based environments.
• Document software design, implementation, test results, and performance findings.

Qualifications

• Bachelor’s Degree and a minimum of 6 years of prior relevant software experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Minimum 6 years of experience with C/C++.
• Minimum 2 years of experience with Python.
• Minimum 4 years of experience with NVIDIA CUDA.
• Experience developing software in Linux environments.
• Experience implementing or optimizing algorithms for performance-sensitive applications.
• Experience using source control and standard software development practices.
• Must be eligible to obtain a U.S. security clearance.

Preferred Additional Skills

• Experience with GPU profiling and performance analysis tools such as Nsight Systems, Nsight Compute, NVIDIA Visual Profiler, Compute Sanitizer.
• Experience with image processing and/or computer vision applications.
• Experience with TensorRT, cuFFT, cuBLAS, cuDNN, NPP, Thrust, and CUB.
• Experience with Containerization with technologies such as Docker is a plus.
• Experience using DevOps pipelines and tooling is a plus.
• Experience translating prototype or research algorithms into production-quality implementations.
• Familiarity with software testing, benchmarking, and debugging techniques in high-performance computing environments.
• Experience developing for multiple CUDA Architectures and Compute Capabilities
• Knowledge of GPU Direct/RDMA, NVIDIA containerization, machine parallelism

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer.