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Explosives Firing Tank Operator

Mid-Senior Level | Full-time
Engineering | livermore, CA | 05/10/2023

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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 important for continued success of the Laboratory’s mission.

Pay Range

$36.50 - $45.32 Hourly for the 533.2 level
$43.78 - $54.35 Hourly for the 533.3 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.

Job Description

We have an opening for a Mechanical Technologist/Sr. Mechanical Technologist to provide general technical and mechanical support for experiments involving explosives and energetic materials. Under general supervision, you will field experiments and operate key equipment at the High Explosives Applications Facility (HEAF). This position is in the Facilities Operations and Support (FOS) division in the Weapons and Complex Integration (WCI) Principal Directorate.

This position will be filled at either the 533.2 or 533.3 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level.

You will 

  • Work closely with scientific personnel and experimentalists to plan and conduct experiments by fabricating experiments, stands, and fixtures, preparing the facility and diagnostic equipment, receiving the experiment, and maintaining area controls.
  • Assist with diagnostic alignment and testing prior to experiment execution and performing data recovery and area re-entry after experiment execution.
  • Perform facility related and technical functions such as maintenance, testing, and reconfiguration of firing tanks, firing chambers, gas/powder guns and support systems such as ventilation, vacuum, hydraulics, control equipment, and interlock systems.
  • Maintain systems documentation and experimental records and author operational procedures and technical documents.
  • Control and manage hazardous and radioactive materials used and wastes generated by operations.
  • Provide general mechanical and/or electronic fabrication support.
  • Ensure that support and experimental areas are kept clean, uncluttered, and orderly.
  • Promote and support plans to promote diversity, equity, and inclusion within the program.
  • Perform other duties as assigned.

Additional job responsibilities, at the 533.3 level 

  • Act independently and/or direct others to ensure work is conducted in an efficient manner.
  • Propose and implement solutions for conducting experiments in a manner that improves diagnostic capability and quality, safety, security, and efficiency.
  • Provide advanced technical support for gas and powder gun experiments.


  • Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
  • Associate's degree in Engineering Technology, undergraduate studies applicable to the position, or equivalent combination of education and related experience.
  • Intermediate skills and understanding of relevant technologies used in experimental processes. This includes interpretation and utilization of equipment such as lasers, electronics, computers, facility support systems and the ability to troubleshoot hardware or system issues.
  • Effective written and verbal communication and presentation skills, and the ability to work constructively in a multidisciplinary team environment.
  • Ability to efficiently work multiple tasks and interact effectively with a diverse set of personalities and disciplines while following policies and procedures.
  • Experience with office computers and related software, i.e. Windows, MS Word, Excel, Outlook, PowerPoint, and inventory databases.
  • Ability to read and follow engineering notes, sketches, and drawings.
  • Ability to operate hand/power tools, lift 50 lbs. safely, and become medically qualified to wear respiratory and other protective equipment, and perform moderate work effort while wearing full-face respirator.
  • Ability to complete and maintain the following qualifications: explosives handler, firing tank operator, high-speed camera operator, and/or radiation generating device operator, Rad Worker (II), and Beryllium Worker.
  • Demonstrated ability/commitment to valuing diversity, equity, and inclusion principles in the workplace.

Additional qualifications at the 533.3 level 

  • Ability to lead, mentor and provide technical guidance to other team members in an effort to complete complex and hazardous operations.
  • Ability to plan assignments and prepare work control documents.
  • Experience with and advanced understanding of the science of explosives and explosive experiments.

Qualifications We Desire

  • Experience handling explosives and fielding explosives experiments.
  • Experience with chemicals, hazardous, and radiological materials, and experience with Radiological contamination control.
  • Experience with ballistics, rifles, and other weapons currently fielded by military forces and experience conducting/coordinating live-fire experiments with small-large caliber weapons.

Additional Information

All your information will be kept confidential according to EEO guidelines.

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

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.

Beware of Fraudulent Recruiting Advertisements. LLNL’s hiring practices:

  • Never requires job applicants to pay an application/training fee or submit personal documents like bank account details, passport number, Social Security number, tax forms or credit card information as part of the interview process. 
  • Involves at least one interview (virtual or in-person) and never interviews job applicants through chat platforms such as Google Hangouts, or via correspondence through text and instant messaging systems.
  • Only sends email communications to job applicants from domain “” or via their applicant tracking system, [email protected]. Occasionally LLNL uses third-party vendors that will contact you about job opportunities.  If a recruiter contacts you to apply, you will always be directed to our career page to apply through our career site.
  • Encourages all applicants to visit LLNL’s careers page at if they saw the job posting on another site prior to applying to ensure the job posting is accurate and valid.

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.

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