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Systems Administrator

Job in Mesa, Maricopa County, Arizona, 85201, USA
Listing for: Peraton
Full Time position
Listed on 2026-08-03
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, IT Specialist, Systems Engineer
Salary/Wage Range or Industry Benchmark: 75000 - 110000 USD Yearly USD 75000.00 110000.00 YEAR
Job Description & How to Apply Below
  • 6 years w/o BS/BA; 4 years with an Associates degree; 2 years with BS/BA; OR one of the following:
    SecurityX / CASP+ CCNP Security+ CCSP FITSP-O GFACT
  • Active DoD Secret Clearance
  • Expertise in VoIP and VTC system operations, maintenance, and security.
  • Experience with system configuration, patching, and vulnerability scanning.
  • Strong troubleshooting and problem-solving skills for infrastructure support.
  • Ability to create and maintain detailed system documentation and diagrams.
  • Knowledge of availability and performance monitoring tools and techniques.
  • Experience with Avaya, CUCM, Oracle, or Ribbon VOIP devices
  • Familiarity with security policies and compliance standards within enterprise environments.

Peraton is currently recruiting for a Systems Administrator.

Key Responsibilities:
  • Operate, maintain, secure, and update enterprise VoIP and VTC systems to ensure system integrity and security.
  • Configure, patch, and scan systems to maintain high availability and optimal performance.
  • Respond to incident tickets, service requests, and restoration of services, as well as process requests for change.
  • Maintain documentation of server/system characteristics, physical/logical capability diagrams, and security policies/settings.
  • Notify the Government of any "critical" or "high" incidents impacting critical systems and services.
  • Troubleshoot, repair, and recommend changes to VoIP and VTC infrastructure to ensure robust and sustainable systems.
  • Perform availability and performance monitoring, including trend analysis to assess service quality.
  • Employ best business practices to provide secure, standardized, and scalable VoIP and VTC systems.
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