Modeling Suites Software Developer

Lawrence Livermore National Laboratory
Livermore, CA

: Company Description Join us and make YOUR mark on the World! Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place. We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is essential to innovation and creativity for continued success of the Laboratory's mission. Pay Range $132,810.00 - $170,556.00 Annually for the SES.2 level $159,330.00 - $204,636.00 Annually for the SES.3 level Please note that the pay range information is a general guideline only. Many factors are taken into consideration when setting starting pay including education, experience, the external labor market, and internal equity. We have an opening for a Modeling Suites Software Developer. This position is in the Applications, Simulations and Quality (ASQ) Division within the Computing Directorate. You will support the users and maintainers of the Modeling Suites. You will also develop suites-relevant software products and infrastructure, such as analysis pipelines and unit/regression testing. You will help build common input and output software tools to facilitate Verification and Validation and increase problem portability across codes. This position will be filled at either the SES.2 or SES.3 level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Provide moderately complex computer science and software development support using industry standard software development practices, modern programming languages, and operating systems. Develop a range of applications including scientific, graphical user interface, database, and visualization applications. Participate in the requirements definition, analysis, design, implementation, debugging, testing, and optimization of computer software. Participate in an interdisciplinary team in support of Modeling Suites Contribute to the fulfillment of technical projects and organizational objectives, functioning as an effective team member on multi-disciplinary teams. Engage other developers frequently to share relevant knowledge, opinions, and recommendations. Perform other duties as assigned. Additional job responsibilities at the SES.3 Level Manage multiple advanced parallel tasks and priorities of customers and stakeholders, ensuring deadlines are met, while leveraging team member's skills. Implement, deploy, and maintain software systems using object-oriented analysis, design, and programming techniques. Provide solutions to complex problems that require in-depth analysis of tangible and intangible factors. Qualifications Ability to obtain and maintain a US DOE Q-level security clearance which requires U.S. Citizenship. Bachelor's degree in computer science, computer engineering, or a related field, or the equivalent combination of education and related experience. Hands on experience working with the multi-physics code teams and users. Proven proficiency in developing software with Python. Ability to effectively manage concurrent technical tasks with competing priorities and meet deadlines that are important to project success. Broad experience approaching difficult problems with enthusiasm and creativity. Proficient interpersonal skills necessary to interact with all levels of personnel with the ability to work independently in a multi-disciplinary team environment. Effective written and verbal communication skills to necessary to effectively collaborate with a multidisciplinary team, prepare, present, and document technical information. Additional Qualifications at the SES.3 Level Ability to work effectively with minimal guidance. Advanced experience providing innovative approaches and applying new technologies to broadly defined tasks and projects. Advanced experience applying effective analytical and problem-solving skills to moderately complex problems. Additional Information Qualifications We Desire Master's Degree in Computer Science or related field. Experience with application development, and experience with configuration management tools (e.g. Git) and test repositories, JIRA or another commercial defect tracking system. Experience interacting with physics simulation code input and output and/or simulations at scale on HPC. Position Information This is a Career Indefinite position, open to Lab employees and external candidates. Why Lawrence Livermore National Laboratory? Included in 2024 Best Places to Work by Glassdoor! Flexible Benefits Package 401(k) Relocation Assistance Education Reimbursement Program Flexible schedules (*depending on project needs) Inclusion, Diversity, Equity and Accountability (IDEA) - visit Our core beliefs - visit Employee engagement - visit Security Clearance This position requires a Department of Energy (DOE) Q-level clearance. If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also, all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship. Pre-Employment Drug Test External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor. How to identify fake job advertisements Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond. To learn more about recruitment scams: Equal Employment Opportunity We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws. We invite you to review the Equal Employment Opportunity posters which include EEO is the Law and Pay Transparency Nondiscrimination Provision. Reasonable Accommodation Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. California Privacy Notice The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

Posted 2026-03-24

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