Secure Software Engineer - Python & APIs (Hybrid)

Lawrence Livermore National Laboratory; Livermore (CA); Hybrid; USD 146,000 - 223,000; Full time

Benefits offered by this job

Relocation Assistance

Education Reimbursement

Flexible schedules

401(k)

Job summary

Lawrence Livermore National Laboratory in Livermore, CA seeks a Software Engineer to design, build, and operate secure applications that empower scientists to manage and analyze mission-critical data. You will own software across its lifecycle, modernizing systems and creating reusable capabilities for multiple programs.

The role spans Python services, REST APIs, web interfaces, containers, CI/CD, and visualization.

Qualifications

• U.S. citizenship and the ability to obtain a DoE Q-level security clearance.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or an equivalent combination of education and relevant experience.
• Broad experience delivering maintainable software using Python, Java, TypeScript, or another modern programming language.
• Broad experience in several areas: web services and REST APIs, frontend development, databases, containerization, CI/CD, automated testing, scientific visualization, or production operations.
• Proficient experience using Git and participating in code reviews.
• Proficient written and verbal communication skills and collaboration with technical and nontechnical stakeholders.
• Ability to translate scientific, engineering, or business workflows into software requirements and technical solutions.

Responsibilities

• Design, build, test, deploy, and maintain secure software applications and services supporting scientific and engineering workflows.
• Own features and technical improvements across the software lifecycle, from requirements and architecture through implementation, documentation, release, and operational support.
• Design and implement well-documented REST APIs, including authentication, authorization, versioning, and error handling.
• Develop usable web interfaces and scientific visualization capabilities using modern frameworks and libraries.
• Build, deploy, and troubleshoot containerized applications, and contribute to CI/CD pipelines, automated testing, observability, and deployment automation.
• Partner with scientists, data engineers, and application teams to translate workflows into maintainable software.
• Participate in design discussions and code reviews, providing and receiving constructive technical feedback.
• Evaluate architectural and technology tradeoffs, including when to use custom software, reusable libraries, commercial products, or platform services.
• Contribute reusable components, engineering standards, and integration patterns that benefit multiple projects and teams.
• Communicate technical concepts, risks, tradeoffs, and progress clearly to technical and nontechnical stakeholders.

Skills

Python

TypeScript

Java

REST APIs

CI/CD

Containerization

Web frontend

Databases

Git

Education

Bachelor's degree in Computer Science

Bachelor's degree in Computer Engineering

Related field

Tools

Git

Docker

Kubernetes

OpenShift

Job description

Lawrence Livermore National Laboratory in Livermore, CA seeks a Software Engineer to design, build, and operate secure applications that empower scientists to manage and analyze mission-critical data. You will own software across its lifecycle, modernizing systems and creating reusable capabilities for multiple programs.

The role spans Python services, REST APIs, web interfaces, containers, CI/CD, and visualization.