Alternate Information Systems Security Manager; AISSM - Security Clearance Required

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Mid-Senior Level | Full-time
Information Technology/Computing | Livermore, CA | 06/25/2026
Reference #: REF
8104Q
Job Code: SES.
3 Science & Engineering MTS 3 / SES.
4 Science & Engineering MTS 4
Organization: Computing
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 an Alternate Information Systems Security Manager (AISSM) to provide complex and dynamic security support to a variety of LLNL, DOE and customer missions. This position is in the Information Technology Solutions (ITS) Division supporting the Field Intelligence Element Operations organization within the Global Security 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.

You will

• Work with the FIE’s Cyber Manager and internal and external stakeholders, including LLNL, DOE, and other agencies, to identify cybersecurity requirements for assigned systems and support the planning and implementation of security solutions that meet mission needs.
• Architect and engineer enterprise-wide systems and solutions to meet cybersecurity requirements, including authoring and maintaining Risk Management Framework (RMF) documentation and Body of Evidence (BOE) artifacts.
• Exercise judgement to assess and mitigate system security threats and risks, analyze security events, and conduct investigations to ensure the integrity of the security posture.
• Lead the preparation, coordination, review, and maintenance of Body of Evidence artifacts, including Information System Security Plans and POA&Ms, under the Risk Management Framework to obtain and sustain system accreditation with government sponsors.
• Coordinate cybersecurity requirements for existing and new systems with Department of Energy (DOE) IN-40, Department of Defense (DoD), and other agencies to ensure mission accomplishment and the protection of sensitive information.
• Assess and mitigate system security threats and risks using a risk-based approach.
• Perform and analyze security audits for nonstandard events to ensure security posture integrity and conduct continuous monitoring activities on assigned information systems.
• Perform other duties as assigned.

Additional job responsibilities, at the SES.
4 level

• Partner with the FIE Cyber Manager to assist with collaboration and negotiation with internal and external stakeholders, including LLNL, DOE, and other agencies, to identify, prioritize, and oversee implementation of information system security solutions that meet mission requirements.
• Provide security architecture guidance and oversight to ensure information systems are designed and engineered in compliance with LLNL,…