Network Cybersecurity Researcher

Lawrence Livermore National Laboratory
Livermore, CA 94550

Join us and make YOUR mark on the World!

Come join Lawrence Livermore National Laboratory (LLNL) where we apply science and technology to make the world a safer place; now one of 2020 Best Places to Work by Glassdoor!

We have an opening for a computer scientist with a background in network security with emphasis on operational technology networks. You will contribute, provide subject matter expertise, and lead research projects in the area of cybersecurity for critical infrastructure systems and civilian networks. This position is programmatically in Global Securitys E Program and administratively will report to the payroll supervisor of the hiring organization.

This position will be filled at either the SES.2 or SES.3 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level.

Essential Duties

  • Under limited direction, develop new, secure protocols for OT environments.
  • Contribute to development of custom network scanning tools for OT environments.
  • Perform protocol analysis, parsing and characterization.
  • Implement and model protocols in modeling and simulation tools (such as ns-3).
  • Develop cross-domain strategies for increased network security and resiliency of critical infrastructure, working with researchers in other disciplines.
  • Perform other duties as assigned.

In Addition, at the SES.3 Level

  • Lead multidisciplinary teams in the areas of modeling and simulation for critical infrastructure cyber security, information security, and network security. Continue building LLNLs network scanning and characterization capability.
  • Pursue program development opportunities by co-authoring proposals and proposing ideas that will address sponsor needs. Identify program growth opportunities for existing customers, understanding the customer space and needs.
  • Present results and provide subject matter expertise across multi-discipline projects engaging with sponsors on a regular basis.


  • Masters degree in computer science, computer engineering, or a related field or the equivalent combination of education and related experience.
  • Comprehensive computer networking knowledge, including common protocols such as TCP/IP, SSL/TLS, HTTP, DNS, DNP3, ModBus, IEC 104, or IEC 61850.
  • Understanding and/or experience with public key and symmetric encryption protocols, such as RSA and AES.
  • Experience using tools such as Wireshark, tcpdump, Nmap, Snort, Metasploit, Burp Suite, and/or Nessus.
  • Experience with socket programming.
  • Demonstrated ability to effectively manage concurrent technical tasks with contending priorities, as well as approaching difficult problems with enthusiasm and creativity to change focus when necessary.
  • Proficient verbal and written communication skills with the ability to communicate comprehensive knowledge effectively across multi-disciplinary teams and to non-cyber experts and proficient interpersonal skills necessary to effectively collaborate in a team environment.

In Addition, at the SES.3 Level

  • Significant software engineering experience and advanced knowledge of and experience in network security protocols.
  • Demonstrated project leadership experience and ability to work independently while effectively managing concurrent technical tasks with competing priorities.
  • Experience writing research proposals and securing sponsor funding, with advanced interpersonal, verbal, and written skills necessary to effectively collaborate in a team environment, present and explain technical information, and provide advice to management.

Desired Qualifications

  • Ph.D. degree in computer science, computer engineering, or a related field.
  • Demonstrated software engineering experience in C, C++, or Python.
  • Knowledge of one or more of the following computer science disciplines: parallel programming, embedded systems, high performance computing, scientific data analysis, machine learning, systems programming, software engineering, and big data technologies.

Pre-Employment Drug Test: External applicant(s) selected for this position will be required to 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.

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. In addition, all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship. If you hold multiple citizenships (U.S. and another country), you may be required to renounce your non-U.S. citizenship before a DOE L or Q clearance will be processed/granted.

Note: This is a Career Indefinite position. Lab employees and external candidates may be considered for this position.

About Us

Lawrence Livermore National Laboratory (LLNL), located in the San Francisco Bay Area (East Bay), is a premier applied science laboratory that is part of the National Nuclear Security Administration (NNSA) within the Department of Energy (DOE). LLNL's mission is strengthening national security by developing and applyingcutting-edge science, technology, and engineering that respond with vision, quality, integrity, and technical excellence to scientific issues of national importance. The Laboratory has a current annual budget of about $1.8 billion, employing approximately 6,500 employees.

LLNL is an affirmative action/ equal opportunity employer. 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, protected veteran status, age, citizenship, or any other characteristic protected by law.


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Network Cybersecurity Researcher

Lawrence Livermore National Laboratory
Livermore, CA 94550

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