System Administrator III
Excentium, Inc.

San Antonio, Texas


System Administrator III

Excentium, Inc. is a Service-Disabled Veteran owned small business (SDVOSB) that provides Cyber Security Engineering, Information Assurance (IA), management, Certification and Accreditation (C&A), and other IT services to government and commercial organizations.

We have an opportunity for a System Administrator III supporting one of our government customers in San Antonio, TX.

MINIMUM CLEARANCE LEVEL: Secret
CITIZENSHIP: US Citizenship
LOCATION: San Antonio, TX.

Position Description:
The System Administrator is responsible for the maintenance, configuration, and reliable operation of computer systems and servers. They install hardware and software and participate in research and development to continuously improve and keep up with the IT business needs of their organization. System administrators also actively resolve problems and issues with computer and server systems. The mission is to install, upgrade and monitor software and hardware Responsible for the maintenance, configuration, and reliable operation of computer systems and servers. They install hardware and software and participate in research and development to continuously improve and keep up with the IT business needs of their organization. System administrators also actively resolve problems and issues with computer and server systems.

Functional Responsibility:

  • Deploy, sustain and troubleshoot new or existing server operating systems and related infrastructure software and hardware.
  • Administers day-to-day sustainment, integrity, security and availability of infrastructure platforms.
  • Perform daily system backups, performance monitoring, capacity analysis, and maintain security posture of infrastructure systems.
  • Creates standard operating procedures, maintenance guides, and knowledge base articles to ensure proper documentation is established for the operational upkeep of the infrastructure platforms.
  • Performs infrastructure platform maintenance upgrades to ensure a proper security and operational posture is maintained.
  • May assist architecture and engineering with evaluation, making recommendations and testing of infrastructure hardware and software products.

Educational Requirements/ Qualifications:
  • Minimum of 6 years of relevant work experience in similar roles
  • Bachelor's degree and/or Equivalent work experience
  • Defense Health Agency Experience a Plus

One of the following IAT Level II Certifications:
  • CCNA-Security
  • CySA+ **
  • GICSP
  • GSEC
  • Security+ CE
  • CND
  • SSCP
And one of the following CE certifications:
  • CompTIA A+ CE Certification
  • CompTIA Security+ CE Certification
  • CompTIA Network+ CE Certification

We take pride in building a workforce with a strong Veterans focus

Excentium offers a competitive salary and comprehensive benefits package, including medical, dental, life, disability, 401k, and paid time off.

Excentium, Inc. is an equal opportunity employer.



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