OT NOC Administrator

Job#: 3014285

Job Description:

Title: OT NOC Administrator (Tier 1)

Location: Onsite in San Antonio, TX

Schedule: Thursday-Saturday and every other Wednesday

Shift: 10am-10pm Schedule

Compensation: $35+/hr.

*If interested and qualified, please reach out to the professional recruiter, Nicole, at

Position Summary:

The Tier 1 OT Network Operation Center (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

Monitoring & Incident Response

• Continuously monitor OT systems (SCADA, PLCs, HMIs, and related infrastructure) using established tools
• Respond promptly to alarms, alerts, and incidents within defined SLAs
• Perform initial troubleshooting to resolve common technical issues and minimize downtime

System/Network & Application Support

• Provide basic support for OT servers/network and applications, including patching and performance checks
• Assist with routine maintenance tasks to ensure system health

Documentation & Reporting

• 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

Escalation & Collaboration

• Escalate unresolved or complex issues to Tier 2 or engineering teams following established protocols
• Collaborate with cross-functional teams to implement changes and enhancements

Qualifications

• Associate's degree or equivalent experience in a technical field (e.g., Computer Science, Electrical Engineering)
• Experience in a Network Operations Center (NOC) or similar environment, preferably with OT systems
• Proficiency with monitoring and alerting tools
• Strong understanding of networking (TCP/IP, VLANs, routing, switching)
• Familiarity with Windows Server administration is a plus
• Effective communication and teamwork skills.
• Willingness to work rotational shifts (nights, weekends, holidays)
• Industry certifications (CompTIA Network+, CCNA, ISA/IEC 62443) are a plus

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.