LLNL

Alternate Information Systems Security Manager (AISSM) - ACTIVE SECURITY CLEARANCE REQUIRED

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At a Glance

Location
Livermore, California, United States
Work Regime
onsite
Employment
Full-time
Experience
10+ years
Posted
2026-03-25T16:15:16.984Z

Key Requirements

Certifications

  • CISM
  • CISSP

Domain Knowledge

  • Cybersecurity
  • Education
  • Energy
  • Engineering
  • Government
  • Regulatory

Benefits & Perks

Health Insurance

Glassdoor! Flexible Benefits Package 401(k) Relocation Assistance Education

Requirements

Advanced experience as an ISSO or AISSM managing classified systems in DOD, DOE, or IC environments (NISPOM, DAAPM, ICD 503, NIST 800-53).

Advanced knowledge of federal security regulations, Intelligence Community Directives (ICDs), DOD/DOE manuals, and company security policies/procedures.

Experience leading and coordinating internal information system security audits and assessments, participating in Government inspections and authorization activities, and overseeing investigation and mitigation of identified security risks and noncompliance in accordance with applicable policies and RMF requirements.

Extensive experience obtaining Authority to Operate (ATO) for IT systems and applying advanced frameworks (NIST 800-53, CNSSI 1253, DISA STIGs, SCAP).

Advanced knowledge of, and significant experience with, applying DISA STIGs and SCAP Compliance Checker to information systems, and interpreting and implementing DOE, DoD, and Intelligence Community security policies and requirements in classified environments to support system authorization and ongoing security compliance.

COMSEC account management or opening new COMSEC accounts per sponsor requirements.

Compensation & Benefits

#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

Responsibilities

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.

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.

About the Company

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.