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Senior Operational Technology Engineer Jobs in California

ASML

Senior Operational Planner

San Diego, CA · On-site

$82K - $124K/yr

Close collaboration with Procurement, Manufacturing, Engineering, P&D, Program Management, and ... This position requires access to controlled technology, as defined in the United States Export ...

Oscar Health

Senior IT Engineer

Los Angeles, CA · Hybrid

$149K - $195K/yr

We're hiring a Senior IT Engineer to join our Engineering Team. Oscar is the first health insurance company built around a full stack technology platform and a relentless focus on serving our members.

Altruist

Senior IT Engineer

San Francisco, CA · Hybrid

Own the design, implementation, and operation of our core internal systems - identity, endpoints ... * 7-10 years in IT engineering, corporate infrastructure, or a related discipline, with ...

Lattice Semiconductor

Senior Technology Engineer

San Jose, CA · On-site

$122K - $168K/yr

Lattice is a worldwide community of engineers, designers, and manufacturing operations specialists ... We are looking for a Senior Technology Engineer. This person will be responsible for the interface ...

Lattice Semiconductor

Senior Technology Engineer

San Jose, CA · On-site

$122K - $168K/yr

Lattice is a worldwide community of engineers, designers, and manufacturing operations specialists ... We are looking for a Senior Technology Engineer. This person will be responsible for the interface ...

Namely

Senior IT Engineer

Los Angeles, CA · On-site

$149K - $195K/yr

We're hiring a Senior IT Engineer to join our Engineering Team. Oscar is the first health insurance company built around a full stack technology platform and a relentless focus on serving our members.

Oscar Health

Senior IT Engineer

Los Angeles, CA · On-site

$149K - $195K/yr

We're hiring a Senior IT Engineer to join our Engineering Team. Oscar is the first health insurance company built around a full stack technology platform and a relentless focus on serving our members.

Oscar Health

Senior IT Engineer

Los Angeles, CA · Hybrid

$149K - $195K/yr

We're hiring a Senior IT Engineer to join our Engineering Team. Oscar is the first health insurance company built around a full stack technology platform and a relentless focus on serving our members.

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Senior Operational Technology Engineer information

What is a senior operational technology engineer?

Senior Operational Technology (OT) Engineers are experienced professionals who design, implement, and maintain the systems that control and monitor industrial operations, such as manufacturing, energy, or utilities. They specialize in integrating hardware and software solutions to ensure the reliability, efficiency, and security of industrial control systems like SCADA and PLCs. In addition to technical expertise, they often lead teams, coordinate with IT departments, and ensure compliance with safety and cybersecurity standards. Their work is crucial for minimizing downtime, optimizing processes, and protecting critical infrastructure.

How does a senior operational technology engineer typically collaborate with IT and OT teams to ensure system reliability?

A Senior Operational Technology Engineer plays a crucial role in bridging the gap between IT (Information Technology) and OT (Operational Technology) teams. They regularly coordinate with IT professionals to align cybersecurity protocols and network standards, while working closely with OT specialists to maintain and optimize industrial control systems. Effective communication and cross-disciplinary teamwork are key, as they often lead troubleshooting sessions, oversee system integrations, and ensure both safety and uptime. This collaborative environment helps maintain reliable, secure, and efficient operations throughout the organization.

What are the key skills and qualifications needed to thrive as a senior operational technology engineer, and why are they important?

To thrive as a Senior Operational Technology Engineer, you need deep expertise in industrial control systems, network security, and automation, typically supported by a degree in engineering or a related field. Proficiency with SCADA, PLC programming, OT/IT integration platforms, and relevant certifications such as CISSP or ISA/IEC 62443 is often required. Strong problem-solving, communication, and leadership skills help in managing cross-functional teams and ensuring seamless operations. These competencies are vital to maintain secure, efficient, and resilient industrial environments in increasingly connected infrastructures.

What are the most commonly searched types of Operational Technology Engineer jobs in California?

The most popular types of Operational Technology Engineer jobs in California are:

What are popular job titles related to Senior Operational Technology Engineer jobs in California?

For Senior Operational Technology Engineer jobs in California, the most frequently searched job titles are:

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The top searched job categories for Senior Operational Technology Engineer jobs in California are:

What cities in California are hiring for Senior Operational Technology Engineer jobs?

Cities in California with the most Senior Operational Technology Engineer job openings:

Senior Operational Technology Engineer jobs near you
Infographic showing various Senior Operational Technology Engineer job openings in California as of September 2026, with employment types broken down into 100% Full Time. Highlights an 78% In-person, and 22% Remote job distribution.

Operational Technology Administrator

Rancho Cucamonga, CA • On-site

Reyes Coca-Cola Bottling
Food and Drink Manufacturing • 5 - 10K employees
Learn more about Reyes Coca-Cola Bottlingexternal

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 3 days ago

Reyes Coca-Cola Bottling rating

8.1

Company rating: 8.1 out of 10

Based on 105 frontline employees who took The Breakroom Quiz

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/General 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.Qualifications:

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/General 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 
Education:UNAVAILABLEEmployment Type: FULL_TIME

What Reyes Coca-Cola Bottling employees say

Pay

Benefits

Hours and flexibility

Workplace

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About Reyes Coca-Cola Bottling

Sourced by ZipRecruiter

Reyes Coca-Cola Bottling is a proud West Coast and Midwest bottler and distributor of Coca-Cola brands. We deliver Coca-Cola products to restaurants, sporting venues, businesses, healthcare facilities, schools, convenience stores and supermarkets. We work with iconic brands and exceptional people - because you can't have one without the other.

Industry

Food and drink manufacturing and food services and drinking places

Company size

5,001 - 10,000 Employees

Headquarters location

Irvine, CA, US

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