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System Administrator

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Itezz, Inc.
Full Time position
Listed on 2026-06-15
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, IT Support
Salary/Wage Range or Industry Benchmark: 130000 - 140000 USD Yearly USD 130000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: System Administrator 3

System Administrator (SA) Skill Level 3

The System Administrator (SA) Skill Level 3 provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.

Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

SHIFT

POSITION

Tues-Sat 9pm-5am

Due to federal contract requirements, United States Citizenship and position appropriate security clearance is required. (e.g. Active TS/SCI security clearance with customer appropriate polygraph).

Capabilities
  • Performs installation, maintenance and repair of telecommunications systems.
  • Provide 24/7 mission and infrastructure monitoring, notification, administrative support, logging, ticketing and reporting for supported systems
  • Coordinates with both ISP and GW GES watch staff for situational awareness and support actions, and with customers and support personnel to provide notification and response to event activity
  • IFSD personnel perform router and switch updates in support of security actions.
  • Support the design of systems, mission architecture, and associated hardware
  • Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)
  • Analyze and resolve complex problems associated with server hardware, applications, and software integration
Required Qualifications
  • TS/SCI with Agency Appropriate Polygraph
  • Fifteen (15) years of experience as an SA in programs and contracts of similar scope, type, and complexity are required.
  • Bachelor's degree in a technical discipline from an accredited college or university is required.
  • Five (5) years of additional SA experience may be substituted for a Bachelor's degree.
  • DoD 8570 IAT II:
    • CompTIA Security+ CE
    • Cisco Certified Network Associate (CCNA):
      Security
    • CompTIA Cybersecurity Analyst (CySA+)
    • GIAC Security Essentials (GSEC)
    • Global Industrial Cyber Security Professional (GICSP)
    • Systems Security Certified Practitioner (SSCP)

Salary Range: $ - $ (Annually)

Annual Compensation Figures listed for this position serve as a general guideline and are not a guarantee of compensation. Compensation will vary dependent upon factors including but not limited to:
Government contract rates; annual hours worked; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location.

Benefits Package

Itezz Inc. believes in generously supporting employees as they prepare for retirement. The company automatically contributes an additional 10% of each employee's gross compensation to the company SEP IRA plan, with no requirement for employee matching. All contributions are fully vested from day one, ensuring immediate ownership of retirement funds.

Full‑time employees have the option to participate in a variety of voluntary benefit plans including:

  • Choice of Care First Blue Choice Medical Plans, some with Health Savings Account (HSA)
  • Care First Preferred Dental
  • Care First Blue Vision

Itezz Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Affirmative Action Statement

Itezz Inc. is committed to the principles of affirmative action in all hiring and employment for minorities, women, individuals with disabilities, and protected veterans.

Accommodations

Itezz Inc. is committed to providing an inclusive and accessible hiring process. If you need any accommodations during the application or interview process, please contact us at  We are happy to provide reasonable accommodation to ensure equal access to all candidates.

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