Operational Technology Administrator

Reyes Holdings, L.L.C.; Rancho Cucamonga (CA); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Reyes Holdings, L.L.C. is seeking an OT Administrator to maintain and optimize Operational Technology systems across our industrial environments in Rancho Cucamonga, CA. The role focuses on plant automation, HMI, historians, servers, and secure network infrastructure supporting OT operations.

The position requires a background in OT/ICS with hands-on experience in incident response and disaster recovery, plus the ability to coordinate updates with plant teams, vendors, and OT Security staff.

Qualifications

• Bachelor’s Degree with 1–2 years OT systems experience in an industrial environment.
• Alternatively, high school diploma with 3–5+ years OT systems experience.
• Experience with OT/ICS and industrial networking is preferred.

Responsibilities

• Maintain the OT Systems used in the company’s industrial environments.
• Maintain plant automation systems (e.g., laser-guided vehicles, HMI, historians, servers, remote access, network devices).
• Administer and maintain OT systems, including ICS and other OT platforms.
• Maintain OT network infrastructure standards (switches, routers, gateways, firewalls) and OT security measures.
• Apply approved software updates and patches to OT systems and devices with operations, vendors, and OT Security.
• Execute incident response procedures, including tabletop exercises and disaster recovery testing.
• Other duties as assigned.

Education

Bachelor’s degree or related field

High School Diploma with 3–5+ years OT experience

Tools

Industrial Control Systems (ICS)

Job description

Position Responsibilities

• Maintain the Operational Technology (OT) Systems used in the company’s industrial environments
• Maintains plant automation systems, i.e., laser-guided vehicles, human-machine interfaces (HMI), historians, servers, remote access, and network devices. The OT Administrator participates in plant updates and upgrading projects as well as enhanced automation projects
• Administer and maintain OT systems, including Industrial Control Systems (ICS) and other OT platforms
• Maintain the network infrastructure standards specific to OT, including switches, routers, gateways, firewalls, and other networking components and defined security measures and standards for OT systems, assessing risks, identifying gaps and vulnerabilities
• Apply approved software updates and patches to OT systems and devices in coordination with plant operations team, vendors, manufacturers and OT Security team members
• Execute incident response procedures, including conducting tabletop exercises, testing backup and disaster recovery processes
• Other duties as assigned

Required Education and Experience

• Bachelor’s Degree and 1 to 2 years of experience maintaining Operational Technology (OT) Systems in an industrial environment or High School Diploma/Genuine Education Diploma and 3 to 5 plus years of experience maintaining Operational Technology Systems

Preferred Education and Experience

• Bachelor’s Degree in Information Technology, Computer Science, Engineering or related field
• Experience and/or training in manufacturing resiliency
• Certifications in Information Technology and/or OT related fields
• Experience with enhanced automation projects
• Experience with plant update/upgrade projects
• Experience with patch management and incident response procedures
• Strong knowledge of network infrastructure management
• Strong knowledge of OT security measures

Benefits

At the Reyes Family of Businesses, our Total Rewards Strategy prioritizes the holistic well-being of our employees. This position offers a comprehensive benefits package that includes Medical, Dental, Vision coverage, Paid Time Off, Retirement Benefits, and complimentary Health Screenings.

Equal Opportunity Employee & Physical Demands

Reyes Holdings and its businesses are equal opportunity employers. Company policy prohibits discrimination and harassment against any applicant or employee based on race, color, religion, sex, pregnancy or pregnancy-related medical conditions, marital status, sexual orientation, gender identity or expression, age, national origin, citizenship, disability, genetic information, military or veteran status, or any other basis protected by applicable law. In addition, the Company is committed to providing reasonable accommodation to applicants and employees in accordance with applicable law. Requests for accommodation should be directed to your point of contact in the Talent Acquisition or Human Resources departments.

Background Check and Drug Screening

Offers of employment are contingent upon successful completion of a background check and drug screening.

Pay Transparency

Our compensation philosophy embraces diverse factors for fair pay decisions, valuing skills, experience, and the needs of our business. Moreover, this role may have the opportunity to participate in a discretionary incentive program, subject to program rules.