Project Engineering Section Leader - Clearance Required

Project Engineering Section Leader - Active Clearance Required

Mid‑Senior Level | Full‑time

Engineering | Livermore, CA | 05/26/2026

Reference #: REF
8394I

Job Code: SEL.
5 Science & Engineering TSL 5

Organization: Engineering

Position Type: Career Indefinite

Security Clearance: Active DOE Q clearance (or active Top Secret clearance)

Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana)

Medical Exam: Not applicable Apply Now

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.

We have an opening for a Section Leader to lead the Project Engineering Section (PES). The PES delivers integrated engineering leadership across a portfolio of programs supporting the national security missions, spanning system integration, project engineering, fabrication coordination, controls, software, in support of Strategic Deterrence and Global Security Directorates. Flagship programs that engineers in PES support include ASD Scorpius (a next generation accelerator located at the Nevada National Security Site (NNSS), facility and equipment controls at Site 300, and project controls for the Laboratory's largest and most complex national security projects.

You will lead complex, fast‑paced R&D efforts at scale - translating mission needs into executable strategies, guiding technical direction, and ensuring delivery across multiple sites within the NNSA complex. You will work through Group Leaders to align priorities, enable execution, and sustain high‑performing teams operating in an agile, multidisciplinary environment. As part of a capability‑driven organization, you will shape and grow engineering capability for future missions - anticipating emerging challenges, cultivating technical and leadership depth, and positioning the organization to respond to evolving national security priorities.

This position reports to the Deputy Division Leader in the National Security Engineering Division (NSED) within the Engineering Directorate.

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

You will

• Lead the PES management team of Group Leaders in carrying out the day‑to‑day management tasks of the section. These include policy implementation, resource allocation, recruiting and hiring, and serving as the primary contact between NSED management and the section members while setting technical expectations, priorities, and standards for section execution and capability development.
• Participate in performance management and salary management activities, and promote career development, mentoring, and technical guidance for section members.
• Oversee the delivery of complex engineering projects and programs, ensuring technical excellence and alignment with mission objectives, cost, and schedule.
• Lead and shape the development, implementation and execution of strategic plans and long‑term goals for the PES section, working in collaboration with senior NSED and programmatic management to ensure consistency with Directorate and Laboratory strategy.
• Champion, develop and apply disciplined engineering, quality management, and project management best practices in support of the Section’s customers.
• Anticipate emerging technical and programmatic opportunities, positioning the Section to support new initiatives, capability sustainment and advancement and respond to evolving priorities.
• Engage with senior management, sponsors, and partners to shape future program direction and investments and influence key decisions.
• Perform other duties as assigned.

• This position requires an active Department of Energy (DOE) Q‑level clearance or active Top…