Deployed Security Officer - Active Security Clearance Required

Active Department of Energy (DOE) Q level clearance, or an active Top Secret clearance issued by another U.S. government agency, at the time of hire.

Bachelor’s degree in Security, Business, or related field, or an equivalent combination of education and relevant experience.

Knowledge and experience in one or more major security disciplines, including: Classified Matter Protection and Control (CMPC), Information Security, Physical Security, Computer / Cyber Security, and Personnel Security.

Experience working with COMSEC equipment and associated accountability, control, and handling requirements.

Experience preparing, documenting, and presenting security and safeguards reports and briefings to internal organizations and management.

Working knowledge of Department of Energy (DOE) security and safeguards policies, practices, and procedures, and the ability to interpret and apply them to operational activities.

#LI-Onsite

Position Information

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

Why Lawrence Livermore National Laboratory?

Included in 2026 Best Places to Work by Glassdoor!

Flexible

We have an opening for a Deployed Security Officer at the Joint Laboratory Office Nevada (JLON). You will work at the Nevada facilities to provide security support to programmatic operations. You will support Lawrence Livermore National Laboratory (LLNL) and Los Alamos National Laboratory (LANL) operations occurring at the Nevada National Security Site (NNSS). Serve as Primary COMSEC Officer for SD activities in Nevada. You are expected to live in Nevada and travel to Livermore, CA (20% travel) for training and team integration. You will interface with customers both internal and external to the Laboratory, including Department of Energy (DOE), and Headquarters (HQ) and Site Offices. In addition, you will collaborate with the Strategic Deterrence Directorate Security Office to prepare and participate in all JLON security-based assessments.  This position is within the Strategic Deterrence Directorate.

This position requires full-time on-site presence due to the nature of the work.

In this role, you will:

Lead incident response activities in close coordination with the Security Incident Response Team, including incident triage, containment, mitigation, and post-incident follow up.

Chair and direct Causal Analysis teams, define scope and objectives, facilitate fact finding, identify root and contributing causes, and drive development and tracking of corrective actions.

Plan and execute effectiveness reviews of security processes and controls, evaluate performance against requirements, and recommend improvements.

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.