Refine Search Clear All

Career Areas

Show More

Experience Level

Employment Type



Show More

Security Clearance

Keyword Search

Back to open positions

Senior Java Developer

Mid-Senior Level | Full-time
Information Technology/Computing | livermore, CA | 10/14/2021

Apply Now  

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.

Job Description

We have an opening for a Senior Java Developer. You will work on new and emerging enterprise web applications supporting critical business applications that support the mission of the Laboratory. You will contribute to the maintenance and enhancement of sophisticated Java-based Web Application Services and JavaScript-based Angular UI’s. This position is in the Enterprise Applications Services Division within the Computing Directorate, in support of the LivIT Business Enablement Program Area.

This position will be filled at either 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

  • Support critical business functions through the design, development, implementation, and maintenance of applications and systems using the latest tools and technologies including Java, JDBC, JavaScript, TOAD, Hibernate, OOD, SQL, Oracle, and other related technologies.
  • Contribute software design, development, design, and OOP architecture expertise to multiple projects and ensure that specifications are met.
  • Design, code, implement, test, debug, maintain, and document software applications.
  • Prepare and follow established software development standards and contribute to the future improvement of these standards.
  • Research, develop, and contribute to complex, mission critical, role-based, enterprise level, full stack, restful, web-based applications.
  • Conceptualize, develop designs, and implement solutions, in collaboration with key stakeholder customers and other developers.
  • Perform other duties as assigned.

Additional job responsibilities, at the SES.4 Level

  • Provide technical leadership with relevant experience to manage complex projects, effectively leveraging the skills of team members.
  • Solve abstract and complex problems through the delivery of solutions that require in-depth analysis of multiple factors and the creative use of established methods.
  • Serve as a mentor for multiple mid-level staff and participate in recruiting efforts as needed.


  • Ability to obtain and maintain a US DOE Q-level security clearance which requires U.S. Citizenship. 
  • Bachelor’s degree in Computer Science, Business Administration with concentration in Computer Information Systems or a related field, or the equivalent combination of education and related experience.
  • Significant experience in Java applications development such as Java, Hibernate, JPA, and Web Services.
  • Significant experience with HTML5, responsive design, and a basic understanding of CSS/SCSS.
  • Advanced knowledge and significant experience with JavaScript and at least one JavaScript Framework, such as preferably Angular.
  • Advanced knowledge and significant experience with cross-browser testing and compatibility.
  • Advanced verbal and written communication skills necessary to work effectively with application developers, system programmers, and other technical staff.

Additional qualifications at the SES.4 level

  • Highly advanced analytical, problem-solving, and decision-making skills to develop creative solutions to highly complex problems.
  • Expert ability to communicate comprehensive knowledge effectively across multi-disciplinary teams with proficient interpersonal skills to collaborate and lead in a team environment.
  • Highly advanced experience working with senior management with demonstrated ability to manage, coordinate, and guide other functional and technical professionals.

 Qualifications We Desire

  • Experience working in and deploying solutions in AWS
  • Experience with Scrum in an agile development environment

Additional Information

Why Lawrence Livermore National Laboratory?

  • Included in 2021 Best Places to Work by Glassdoor!
  • Work for a premier innovative national Laboratory
  • Comprehensive Benefits Package
  • Flexible schedules (*depending on project needs)
  • Collaborative, creative, inclusive, and fun team environment

Learn more about our company, selection process, position types and security clearances by visiting our Career site

COVID-19 Vaccination Mandate

LLNL demonstrates its commitment to public safety by requiring that all new Laboratory employees be immunized against COVID-19 unless granted an accommodation under applicable state or federal law. This requirement will apply to all new hires including those who will be working on site, as well as those who will be teleworking.

Security Clearance

LLNL is a Department of Energy (DOE) and National Nuclear Security Administration (NNSA) Laboratory.  Most positions will require a DOE L or Q clearance (please reference Security Clearance requirement).  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. In addition, all L or Q cleared employees are subject to random drug testing.  An L or Q clearance requires U.S. citizenship.  If you hold multiple citizenships (U.S. and another country), you may be required to renounce your non-U.S. citizenship before a DOE L or Q clearance will be processed/granted.  For additional information please see DOE Order 472.2.

Equal Employment Opportunity

LLNL is an affirmative action and equal opportunity employer that values and hires a diverse workforce. 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.

LLNS is committed to offering reasonable accommodations during the application and recruiting processes due to a disability.  If you need assistance or an accommodation due to a disability, please submit a request via our online form

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.

Apply Now