Information Systems Security Engineer

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory's mission.

Pay Range

$140,700 - $178,392 Annually for the SES.2 level

$168,780 - $214,032 Annually for the SES.3 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.

We have an opening for anInformation Systems Security Engineer (ISSE)to provide advanced cybersecurity support to a variety of LLNL, DOE, and customer missions. This position is in the Information Technology Support (ITS) Division, supporting the Strategic Deterrence Directorate.

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

This position will be filled at eitherlevel 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

• Develop, implement, and monitor security controls to ensure compliance with frameworks, standards, and Federal requirements.
• Manage security monitoring tools (e.g., Splunk, Tenable) to detect, analyze, and respond to security incidents.
• Assess and mitigate security threats, perform audits, and maintain system integrity.
• Design and architect systems to meet cybersecurity requirements and program needs.
• Collaborate with teams to integrate cybersecurity practices across systems, operations, and continuous monitoring projects.
• Recommend improvements to security monitoring, incident response processes, and risk strategies.
• Research, analyze, and apply cybersecurity policies to mitigate risks and enhance efficiency.
• Execute project plans, gather metrics, and report results.
• Provide guidance on policies, requirements, and solutions, and coordinate working groups.
• Perform other duties as assigned.

Additional job responsibilities, at the SES.3 level

• Provide advanced technical assistance, training, and/or mentoring to others in the area of cybersecurity.
• Collaborate in the development of new processes and serve as a primary technical point of contact with stakeholders.
• Lead efforts to implement and optimize security monitoring tools (e.g., Splunk, Tenable, STIG/SCAP) to enhance incident detection and response capabilities.
• Partner with cross-functional teams to ensure seamless integration of cybersecurity tools and practices into existing infrastructure and operations.
• Drive continuous improvement in security control implementation and compliance monitoring to meet evolving industry standards and Federal requirements.

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Bachelor's degree in Computer Science, Engineering, Cyber Security, Information Assurance, or in a related field, or equivalent combination of education and technical training in a security discipline(s) and related experience.
• Broad experience in assessing and quantifying cybersecurity risks, managing vulnerabilities, and effectively utilizing analytical and research skills effectively to develop unique cybersecurity solutions.
• Strong understanding of cybersecurity principles, best practices, and frameworks, such as NIST Risk Management Framework, Command Cyber Readiness Inspection, or ISO 27001.
• Proficiency in monitoring and/or hardening technical operations such as firewalls, intrusion detection systems, and operating systems environments.
• Proficiency in scripting languages (e.g., Python, Bash, Powershell) for automation of cybersecurity tasks.
• Knowledge of cloud security tools and best practices.
• Proficient verbal and written communication skills necessary to collaborate in a team environment and document, present, and explain technical information.
• Demonstrated ability to effectively manage concurrent technical tasks with conflicting priorities, to approach difficult problems with enthusiasm and creativity, and to change focus when necessary, with experience working independently.

Additional qualifications at the SES.3 level

• Advanced knowledge of and technical expertise with cyber-related tools for continuous monitoring, such as Splunk, STIG/SCAP, and Tenable.
• Advanced analytical, problem-solving, and decision-making skills necessary to develop creative solutions for complex problems.
• Significant experience in computer and network technologies and knowledge of cybersecurity requirements.

Qualifications We Desire

• Experience leading and conducting internal audits, participating in Government assessments and inspections, and investigating and mitigating areas of risk or non-compliance.
• Expert knowledge of multiple cybersecurity disciplines, including network/protocol analysis, intrusion detection, cryptography, reverse engineering, incident response, malware analysis, and/or secure architectures.
• Experience with security monitoring and endpoint detection and response tools such as SCAP, Splunk, Tenable, and SentinelOne

#LI-Onsite

Position Information

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

Why Lawrence Livermore National Laboratory?

• Included in 2025 Best Places to Work by Glassdoor!
• FlexibleBenefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visithttps://www.llnl.gov/inclusion/our-values

Security Clearance

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.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under "Find Your Job" of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams:https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.

CaliforniaPrivacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitlesjob applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.