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Added 1 min ago
Power Electrical Engineer
HDR
Greenville, SC · Columbia, SC · Fort Mill, SC · Charleston, SC
HDR is seeking a Power Electrical Engineer to support our growing South Carolina Power Market Sector, as well as workshare nationally on power generation, renewable energy, and battery…
Added 1 min ago
Structural Engineer
HDR
Charleston, SC
…built environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 1 min ago
Engineering Project Manager - Federal
HDR
Anchorage, AK
…variety of military planning studies. The Project Manager will lead and manage teams to execute the planning, design and construction support activities throughout the life of projects. The…
Added 1 min ago
Senior Energy Distribution and Management Engineer
Anduril Industries
Santa Ana, CA
…quality systems that will scale across our broader shipyard…
Added 2 mins ago
EC
Senior Test Engineer
Eaton Corporation
Woodridge, IL
- $71,000 to $105,000 USD / year
Eaton’s Data Center division is currently seeking a Senior Test Engineer.
Added 2 mins ago
C
Mission Critical Associate Field Engineer - PLC - Automated Logic - Sullivan, IN
Carrier
Lisle, IL
- $43,500 to $87,500 USD / year
…who want a career, not just a shift. As a PLC Associate Field Engineer, you will be crucial to Automated Logic’s business through the field installation, startup, commissioning,…
Added 3 mins ago
Senior Network Engineer
Cognizant
Springfield, IL
Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks. This role…
Added 3 mins ago
A
Chief Engineer For Historical Museum
Aerotek
Chicago, IL
- $102,000 to $104,000 USD / year
The Chief Engineer leads the engineering team and oversees the safe, efficient, and reliable operation of all building machinery and systems. This role manages comprehensive fire and life…
Added 3 mins ago
Confluent - Technical Support Professional
IBM
Chicago, IL
As a Technical Support Engineer on the Platform, Security & Cloud (PSC) team, you'll help customers solve their hardest problems with security, networking and infrastructure in Confluent…
Added 3 mins ago
Senior Design Manager (Data Center)
Jacobs
Chicago, IL
Lead data hall layouts, rack deployment strategies, equipment spacing, compute-block planning, capacity utilization, and future expansion planning.
Added 3 mins ago
RA
Lead Network Engineer
RWE Americas
Chicago, IL
- $127,000 to $171,000 USD / year
The Lead Network Engineer provides advanced technical leadership for the design, implementation, operation, and security of OT network infrastructure across multiple sites and geographies.
Added 3 mins ago
IT Project Manager - Healthcare
Proven IT
Tinley Park, IL
Reporting to the Lead Project Manager, this net-new role has no direct reports but leads matrixed project teams and coordinates closely with the Technical Account Manager, Technical…
Added 4 mins ago
Active Feature Calibration Engineer - Dynamics
Stellantis
Chelsea, MI
…System (TCS)/Electronic Stability Control (ESC) calibration engineer to join our team. This role will be responsible for calibration development and verification of AWD/TCS/ESC and related…
Added 7 mins ago
MC
Manager, Mechanical Engineering
Mission Critical Group
Harleysville, PA
- $140,000 to $150,000 USD / year
…compromising performance. With a robust U.S. manufacturing network, MCG supports data centers, power generation, healthcare, oil & gas, pharmaceuticals, semiconductors, and industrial…
Added 8 mins ago
Power Electrical Engineer
HDR
Greenville, SC · Columbia, SC · Fort Mill, SC · Charleston, SC
HDR is seeking a Power Electrical Engineer to support our growing South Carolina Power Market Sector, as well as workshare nationally on power generation, renewable energy, and battery…
Added 8 mins ago
Structural Engineer
HDR
Charleston, SC
…built environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 9 mins ago
Electrical Engineer
Harmar Mobility LLC
SARASOTA, FL
…where our purpose is to lift lives within our team, among our network of dealers, and in our communities across the nation. We manufacture mobility device lifts for vehicles and…
Added 16 mins ago
Senior Pre-Sales Infrastructure/Network Design Engineer
ewminds consulting Services
New York, NY
We are seeking an experienced Product Design Lead to drive hands-on UX design and design strategy for complex enterprise platforms. This role will focus on improving dashboards, usability,…
Added 18 mins ago
Network Development Engineer, Amazon Customer Service
Amazon.com Services LLC
Seattle, WA
Most days, your focus is design and improvement: writing architecture docs for a network upgrade, coordinating a change window with business operations, pairing with a security engineer on…
Added 21 mins ago
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Civil Designer Sewer And Drainage
Actalent
Spartanburg, SC
- $95,000 to $135,000 USD / year
…looking for an experienced Civil Project Manager / Professional Engineer / Engineer in Training "EIT" who can take the lead on land and site development projects involving grading,…
Added 21 mins ago
A
Civil Design Project Manager
Actalent
Piedmont, SC
- $95,000 to $135,000 USD / year
…looking for an experienced Civil Project Manager / Professional Engineer / Engineer in Training "EIT" who can take the lead on land and site development projects involving grading,…
Added 21 mins ago
A
Electrical Engineer
Actalent
Dublin, OH
- $90,000 to $125,000 USD / year
Senior Controls Engineer (Electrical Engineer)Job DescriptionWe are seeking a Senior Controls Engineer to design, program, implement, and optimize industrial automation systems within a…
Added 21 mins ago
CATIA Data Management
Actalent
Marysville, OH
Job Title: CATIA Data Management Engineer (Mid Level)Job DescriptionThis role focuses on managing, validating, and releasing mechanical design data within a manufacturing engineering…
Added 21 mins ago
A
Sales Engineer
Actalent
East Lansing, MI
- $120,000 to $140,000 USD / year
The Sales Engineer will lead new business development for a specialized testing laboratory, with a strong focus on large-scale powertrain and drivetrain testing programs. This role centers…
Added 32 mins ago
Lead Systems Engineer
MANTECH
Laurel, MD
MANTECH seeks a motivated, career and customer-oriented Lead System Engineer to join our team in Laurel, MD.

LLNL

Information Systems Security Engineer - ACTIVE SECURITY CLEARANCE REQUIRED

Livermore, CA, United States

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Job details

Pay: Pay Range $175.530 - $267,030 Annually $175,530 - $222,564 Annually for the SES.3 level $210,630 - $267,030 Annually for the SES.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.
Posting language: English
Posted: Nov 4, 2026

Original job description

Company Description 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.

Job Description

We have an opening for an Information Systems Security Engineer to provide cyber and technical support for classified networks, standalone systems, security systems, security tools for vulnerability management, patch management, and auditing. You will manage complex security plans and component configurations, maintain cyber security tools, lead incident response, and lead large scale computer security projects. You will interact regularly with team members, customers, management, and sponsors to solve a variety of complex cyber problems in a timely manner. This position is in the Information Technology Solutions (ITS) Division supporting the Field Intelligence Element (FIE) within the Computing 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

Serve in the Information Systems Security Engineer (ISSE) role as the author and owner of comprehensive cyber security document packages.
Plan, design, and evaluate complex cybersecurity solutions.
Perform computer security tasks such as vulnerability remediation, audit of computer logs, and creation of documentation on policies, procedures, test plans, and risk analyses.
Inspect information systems to verify compliance and work closely with system administrators to maintain security and accreditation status.
Collaborate with customers in the design of their computing environment and security management processes.
Research solutions and manage cyber-security related projects with a diverse scope over multiple environments.
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, DOE, and external customer requirements, and that they meet programmatic risk and authorization objectives.
Establish priorities, allocate resources, manage schedules, and deliver complex cybersecurity projects within required cost and time constraints.

Qualifications

This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at the time of hire.
Bachelor’s degree in Computer Science, Computer and Network Security, Engineering, Business, Information Systems, or related field.
Experience with cloud computing environments and/or artificial intelligence, including large language models (LLMs), their security considerations, implementation, and practical applications.
Advanced knowledge of cyber-related tools for auditing, compliance verification, vulnerability testing, and continuous system monitoring.
Significant experience setting priorities and solving complex problems in a fast-paced, customer-focused team environment.
Advanced knowledge of computer security principles, practices, and procedures with experience independently applying this expertise to analyze complex cybersecurity risks and develop technically sound solutions.
Ability to work in a dynamic, technical team environment with competing priorities and meet deadlines that are important to project success.
Experience approaching difficult problems with enthusiasm and creativity, and to change focus when necessary.
Advanced verbal and written communication skills necessary to collaborate multidisciplinary teams to influence technical decisions and document, present and explain complex cybersecurity risks, findings, and recommendations.

Additional qualifications at the SES.4 level

Expert-level experience providing strategic technical leadership to resolve highly complex, ambiguous cybersecurity challenges with significant organizational or programmatic impact; integrating conflicting technical, operational, and stakeholder requirements to establish innovative, risk-informed solutions, technical direction, and long-term security approaches.
Expert verbal and written communication skills, with experience providing strategic technical advice to senior management, sponsors, and multidisciplinary teams; influencing consequential cybersecurity decisions.
Subject matter expertise in interpreting and implementing DOE, DoD, and Intelligence Community security policies and requirements in classified environments to support system authorization and ongoing security compliance.

Qualifications We Desire

Professional IT/Cyber certification (e.g., CISSP, CISM, SANS Certification).

Pay Range $175.530 - $267,030 Annually $175,530 - $222,564 Annually for the SES.3 level $210,630 - $267,030 Annually for the SES.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. 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. Additional Information

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 Benefits Package
401(k)
Relocation Assistance
Education Reimbursement Program
Flexible schedules (*depending on project needs)
Our values - visit https://www.llnl.gov/inclusion/our-values

Security Clearance This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at time of hire. Also, you must have the ability to obtain and maintain Sensitive Compartmented Information (SCI) access. Please note that your current active Q or Top Secret clearance with DOE or another agency does not guarantee DOE SCI access approval; if you are denied access, you may be subject to reinvestigation of your existing Q or Top Secret Clearance.

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 use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices. If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate 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.

California Privacy Notice The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job 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.

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More about this job

Skills

Technical support
Building systems monitoring technology
Auditing
Cybersecurity
Incident response
Computer technology
Documentation
Regulatory compliance
Research
Collaboration
Negotiation
Computer science
Meet deadlines
Communication skills
Leadership
CISSP
CISM

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