Network Engineer

Las Vegas, NV

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:
Our staff provides cyber security support to the Department of Energy National Nuclear Security Administration.

Criterion Systems is seeking to hire a Network Engineer in 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 2 and Tier 3 escalations. You will support requirements analysis, design efforts, engineering, operations and maintenance (O&M). As well as 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.

Job Responsibilities:

  • 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 (<20%)

Minimum Requirements:

  • U.S.Citizenship is required
  • Current DOE Q or DOD TS clearance, or the ability to obtain one
  • Ability to pass a background check
  • 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 3 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 DoD 8570 certifications compliant with CSSP-IS (CEH,CSA+, GICSP, SSCP).
  • Intermediate to expert level network troubleshooting and root cause analysis skills
  • Understanding of ITIL processes
  • Strong knowledge of the following technologies to Intermediate infrastructure planning knowledge (power, cooling, cabling, etc)
  • Intermediate knowledge of network switching and routing configurations
  • Firewalls
  • 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 is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit



Criterion offers comprehensive health benefits including medical, dental, vision, life and disability insurance. Most of our plans are available at no cost for employee only coverage.

Time Off

Employees begin accruing PTO at 15 days per year and acquire more based on seniority. In addition to PTO, Criterion provides 10 holidays and bereavement, military, jury duty, and family medical leave.


  • Roth and Traditional 401(k) Plans with company matching contributions
  • Health Care and Dependent Care Flexible Spending Accounts
  • Health Savings Accounts
  • Commuter Benefits


All employees are eligible to use up to $3,000 annually for approved professional development, including trainings, memberships, seminars, and degree programs.

Employee Testimonials

Pets of Criterion

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Equal Employment Opportunity and Affirmative Action Employer

Criterion Systems, Inc. is 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 decisions without regard to an individual’s protected status: race/ethnicity, color, national origin, ancestry, sex/gender, gender identity/expression, sexual orientation, marital/parental status, pregnancy/childbirth or related conditions, religion, creed, age, disability, genetic information, veteran status, or any other protected status.

Know Your Rights

Applicants have rights under Federal Employment Laws: Family and Medical Leave Act | Equal Employment Opportunity | Employee Polygraph Protection Act. Criterion participates in E-Verify. Review Right to Workinformation.

Need an Accommodation?

Criterion is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for a position with Criterion and need special assistance or an accommodation to apply, please send an email with your request to or call us at 703-942-5800. Determination on requests for reasonable accommodation are made on a case-by-case basis.