Windows System Administrator

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 Windows System Administrator in Las Vegas, Nevada. The candidate will be part of the Cyber Security Network Operations team supporting a 24x7x365 operational environment. The position requires communication with customers via email and phone regarding service outages and support requests. In addition to providing and documenting any updates of service tickets and track problem resolution. The candidate will also support enterprise cybersecurity operations and call center teams by monitoring network hardware and applications,and execute engineering tasks to resolve issues. Applicant must be a positive, flexible, self-starter requiring minimal supervision, and able to excel in a fast-paced environment. Communication skills are critical with the ability to verbalize and provide documentation to both technical and non-technical audiences. Applicants must be detail-oriented and have the ability to multi-task effectively.

Job Responsibilities:

  • Follow up on technical issues with operations and call center teams and all stakeholders in resolution process.
  • Support software and hardware issues and ensure stable system performance.
  • Execute systems administration tasks in support of system performance tuning on workstations, applications or network infrastructure in support of Microsoft Windows operating systems services.
  • Observe industry best practices, standards, and procedures.
  • Partner with other team members to integrate Linux/Unix services with Microsoft Windows systems.
  • Support maintenance and monitoring of the system/server infrastructure to include patching, system upgrade, backup, and configuration.
  • Conduct problem management process (root cause analysis) attempt to determine the real or underlying cause of an incident in order to prevent future recurrences.
  • Support forensic analysis, triage, and break fix of system server/server related trouble tickets.
  • Perform account management, including user account creation and deletion.
  • Perform certification and professional development training to remain current on technologies and to improve skill sets and efficiency.
  • This position may require shift work based on operational requirements.
  • Some limited travel required < 30%

Minimum Requirements:

  • Bachelor’s Degree in Computer Science, Information Technology or related engineering discipline. Bachelor’s Degree can be substitute with 4 years of work experience in computer and information technology related field.
  • Five (5) years of work experience
  • DOE Q or TS Clearance or ability to attain one.
  • U.S. Citizenship is required.
  • Strong problem solving and root cause analysis skills
  • Minimum of 2-3 years’ experience supporting Windows servers in a hybrid enterprise environment
  • Intermediate awareness and knowledge of the following technologies:
  • Enterprise Linux
  • Microsoft Windows
  • Varied database platforms
  • Customer service focus, and strong interface/communication skills
  • Ability to ask relevant questions of customers and engineers in support of problem resolution.
  • Ability to work independently with little supervision.
  • Ability to follow procedures and work instructions to perform tasks
  • Identify process gaps and proactively improve system inefficiencies
  • Excellent written and verbal communication skills.
  • Ability to mentor others
  • Compliance with DoD 8570 CND-IAT I, CND-IAT II, CND-IAT III within six months of hire

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

We love our furry friends!

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 Work information.

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.