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Lawrence Livermore National Laboratory in Livermore, CA, is seeking a Mission Execution Engineer to support the Flight Test Group with rapid development of in-field assets such as autonomous rafts, UAS, and camera systems. You will design, fabricate, test, and troubleshoot mechanical-electrical systems, while driving process improvements to support deployment and recovery of mission-critical assets.
This full-time on-site role requires travel and a DOE Q clearance; you will collaborate across
Mid-Senior Level | Full-time
Engineering | Livermore, CA | 09/03/2026
Reference #: REF8812G
Job Code: TSS.3 Technical Services & Ops MTS 3 / TSS.4 Technical Services & Ops MTS 4
Organization: Engineering
Position Type: Career Indefinite
Security Clearance: Anticipated DOE Q clearance (requires U.S. citizenship and a federal background investigation)
Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana)
Medical Exam: A job-related pre-placement medical examination may be required
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 aMission Execution Engineerto support the Flight Test Group. The Flight Test Group is a fast-paced, cross-disciplinary team that specializes in rapid development of reliable in-field deployable assets including autonomous rafts, UAS, and camera systems. You will be well-rounded with a broad range of knowledge and engineering experience but also have specific experience with mechanical-electrical system design, fabrication, testing, and troubleshooting. You will have a focus on process improvement and design upgrades to support the deployment and recovery of assets used for mission support. This position is in the Defense Technologies Engineering Division (DTED)/Weapon Technologies and Engineering (WTE) Program, supporting the Strategic Deterrence (SD) Principal Directorate.
This position requires full-time on-site presence due to the nature of the work.
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
Additional job responsibilities, at the TSS.4 level
Additional qualifications at the TSS.4 level
Qualifications We Desire
Pay Range:
$154,950 - $235,692 Annually
$154,950 - $196,476 Annually for the TSS.3 level
$185,850 - $235,692 Annually for the TSS.4 level
This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee’s position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.
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Position Information
This is a Career Indefinite position, open to Lab employees and external candidates.
Why Lawrence Livermore National Laboratory?
This position requires a Department of Energy (DOE) Q-level clearance. If you are selected, wewill initiate a Federal background investigation to determine if youmeet 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.
Wireless and Medical Devices
Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the useand/or possession ofmobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area whereyou are not permitted to have a personal and/or laboratory mobile devicein your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.
Ifyou useamedical device, whichpairs with a mobile device,you must still follow the rules concerningthe mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities requireseparate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.
Pre-Placement Medical Exam
A job related pre-placement medical examination may be required.
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