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Tier 1 OT NOC Admin

Job in San Antonio, Bexar County, Texas, 78201, USA
Listing for: Apex Systems
Full Time position
Listed on 2026-09-22
Job specializations:
  • IT/Tech
    IT Support, Systems Administrator, Network Engineer
Salary/Wage Range or Industry Benchmark: 32.5 USD Hourly USD 32.50 HOUR
Job Description & How to Apply Below

Tier 1 OT NOC Administrator

Location:

San Antonio, Texas (Onsite)

Employment Type:

Contract

Role Overview

The OTRC Tier 1 - OT NOC Administrator serves as the first line of defense for Operational Technology (OT) systems, providing real-time monitoring, incident response, and basic troubleshooting. This role ensures system availability and performance while escalating complex issues to Tier 2 or engineering teams.

Key Responsibilities

  • Continuously monitor OT systems, including SCADA, PLCs, HMIs, and related infrastructure, using established tools.
  • Respond promptly to alarms, alerts, and incidents within defined service level agreements (SLAs).
  • Perform initial troubleshooting to resolve common technical issues and minimize downtime.
  • Provide basic support for OT servers, networks, and applications, including patching and performance checks.
  • Assist with routine maintenance tasks to ensure system health.
  • Maintain accurate records of incidents, actions taken, and resolutions.
  • Update operational documentation and procedures as needed.
  • Generate routine reports on OT system performance and availability.
  • Escalate unresolved or complex issues to Tier 2 or engineering teams following established protocols.
  • Collaborate with cross-functional teams to implement changes and enhancements.

Required Qualifications

Education:

An Associate's degree or equivalent experience in a technical field such as Computer Science or Electrical Engineering is required.

Experience:

Experience in a Network Operations Center (NOC) or a similar environment is required.

Technical

Skills:

A strong understanding of networking fundamentals, including TCP/IP, VLANs, routing, and switching, is necessary. Proficiency with monitoring and alerting tools is also required.

Preferred Qualifications

  • Experience with OT systems is preferred.
  • Familiarity with Windows Server administration is a plus.
  • Industry certifications such as CompTIA Network+, CCNA, or ISA/IEC 62443 are a plus.

Work Environment

This position requires a willingness to work rotational shifts, which may include nights, weekends, and holidays.

Compensation & Benefits

The pay rate for this position is up to $32.50 per hour. The specific rate will be determined based on experience and qualifications.

This employer 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, or protected veteran status and will not be discriminated against on the basis of disability.

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