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Network Engineer – Security Clearance Required

Criterion Systems

This is a Full-time position in Las Vegas, NV posted December 9, 2022.


At Criterion Systems, we developed a different kind of business—a company whose real value is a reputation for excellence built upon the collective skills, talents, perspectives, and backgrounds of its people. By accepting a position with Criterion Systems, you will join a group of professionals with a collaborative mindset where we share ideas and foster professional development to accomplish our goals. In addition to our great culture, we also offer competitive compensation and benefit packages, company-sponsored team building events, and advancement opportunities. To find out more about how Criterion can help you take your career to the next level please visit our website: staff provides cyber security support to the Department of Energy National Nuclear Security Administration.


Criterion Systems is seeking a Network Engineerin Las Vegas, Nevada. Once hired, you will execute operations, maintenance and engineering of network infrastructure devices and applications. It will require you to execute installation activities, interface with network operations, project team members, and with customers to resolve Tier 1 and Tier 2 escalations. You will support requirements analysis, design efforts, engineering, operations and maintenance (O&M). Additionally you will provide subject matter expertise and innovation regarding networking technologies and be a part of a team charged with delivery of technology solutions and optimization of IT infrastructure and operations throughout the systems support life cycle.

  • Support customer interface, requirements analysis, and development of policies, procedures in accordance with industry best practices.
  • Complete assigned tasks independently, or as part of a larger project team.
  • Configure network infrastructure device operating systems, determine hardware specifications, and validate system performance.
  • Execute performance tuning, operational process development, and security configuration management in accordance with best practices, standards, and procedures.
  • Operate and maintain network infrastructure devices including, but not limited to patching, system upgrade, backup, and system configuration.
  • Conduct root cause analysis to determine the real or underlying cause of an incident in order to prevent future recurrences.
  • Support analysis, triage and break/fix of infrastructure system-related trouble tickets.
  • Develop and document standard operating procedures and best practices in the technical repository.
  • Produce detailed network design documents and diagrams.
  • Support management reporting requirements.
  • This position will require occasional after-hours support and on-call rotation to support operational needs.
  • Some limited travel required (<10%).


  • U.S.Citizenship is required (no dual citizens).
  • Ability to obtain a clearance, OR current DOE Q OR current DOD TS clearance. Person can work while the clearance process is underway.
  • Ability to work onsite in Las Vegas.
  • Bachelor Degree or equivalent work experience in Computer Science, Information Technology or related discipline. Four years of work experience can be substituted for bachelor’s degree.
  • Prior experience with industry technologies and industry standards for enterprise networks to include TCP/IP infrastructure and other IP-enabled technologies.
  • Must have additional 5 years of experience with various network operating systems,appliances and applications in an enterprise environment.
  • Current industry certifications for networking and security products (CCNP, JNCIP, CISSP, Security+ are some examples) or ability to obtain it within 12 months.
  • Preferred qualifications include NIST 800 certifications compliant.
  • Intermediate to expert level network troubleshooting and root cause analysis skills.
  • Understanding of ITIL processes.
  • Strong to Intermediate knowledge of the following technologies infrastructure planning knowledge (power, cooling, cabling, etc).
  • Intermediate knowledge of network switching and routing configurations.
  • Firewalls experience
  • Proxy Servers and Content Management.
  • IPSEC and SSL VPNs.
  • Encryption and cryptography configurations in a Federal government computing environment (COMSEC).
  • Understanding of high-availability design including replication and load balancing.
  • Network security and defense-in-depth strategies.
  • DNS configuration, operation and maintenance.
  • Basic knowledge of network security instrumentation and implementation practices.
  • Understanding of implementation and release practices, configuration management, and the development lifecycle.
  • Customer service focus, and strong interface/communication skills.
  • Excellent written and verbal communication skills.

Criterion Systems, Inc. and its subsidiares are committed to equal employment opportunity and non-discrimination at all levels of our organization. We believe in treating all applicants and employees fairly and make employment decisions without regard to any individual’s protected status: race, ethnicity, color, national origin, ancestry, religion, creed, sex/gender, gender identity/gender expression, sexual orientation, physical and mental disability, marital/parental status, pregnancy (including childbirth, lactation, and related medical conditions), age, genetic information (including characteristics and testing), military and veteran status, or any other characteristic protected by law. For our complete EEO/AA and Pay Transparency statement, please visit

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