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Ics Cyber Security Engineer Jobs in California (NOW HIRING)

Sandisk

Senior Cyber Security Engineer

Milpitas, CA · On-site +1

$130K - $179K/yr

We are seeking a highly experienced Senior Cybersecurity Engineer to lead the design, assessment ... NIST CSF / NIST 800-82 (ICS security) * ISO 27001 TECHNICAL SKILLS * Experience with AI/ML in ...

Zoomcar

Sales Engineer, SLED

Irvine, CA · On-site

$240 - $280/hr

We are looking for a Systems Engineer, SLED with experience in cyber security and ICs/OT technologies to work closely with our District Sales teams supporting Fortinet's SLED business unit. The ...

Next Matter

Senior Cybersecurity Analyst

Torrance, CA · On-site

$85 - $120/hr

Coordinate with IT, engineering, manufacturing, and program teams on security initiatives ... Experience supporting defense manufacturing or operational technology (OT/ICS) environments

Fortinet

Sales Engineer, SLED

Los Angeles, CA · On-site

$200K - $240K/yr

We are looking for a Systems Engineer, SLED with experience in cyber security and ICS/OT technologies to work closely with our District Sales teams supporting Fortinet's SLED business unit. The ...

Fortinet, Inc.

Sales Engineer, SLED

Los Angeles, CA · On-site

$200K - $240K/yr

We are looking for a Systems Engineer, SLED with experience in cyber security and ICS/OT technologies to work closely with our District Sales teams supporting Fortinet's SLED business unit. The ...

Fortinet, Inc.

Sales Engineer, SLED

Los Angeles, CA · On-site

$200K - $240K/yr

We are looking for a Systems Engineer, SLED with experience in cyber security and ICS/OT technologies to work closely with our District Sales teams supporting Fortinet's SLED business unit. The ...

LLNL

Senior Cybersecurity Researcher

Livermore, CA · On-site

$117K - $151K/yr

Conduct in-depth assessments of OT/ICS networks to identify weaknesses and vulnerabilities that ... Advanced experience in one or more of the following areas: mixed-integer programming, branch-bound ...

LLNL

Senior Cybersecurity Researcher

Livermore, CA · On-site

$117K - $151K/yr

Conduct in-depth assessments of OT/ICS networks to identify weaknesses and vulnerabilities that ... Advanced experience in one or more of the following areas: mixed-integer programming, branch-bound ...

LLNL

Senior Cybersecurity Researcher

Livermore, CA · On-site

$9.8K/wk

Conduct in-depth assessments of OT/ICS networks to identify weaknesses and vulnerabilities that ... Advanced experience in one or more of the following areas: mixed-integer programming, branch-bound ...

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All JobsIcs Cyber Security Engineer JobsIcs Cyber Security Engineer Jobs in California

Ics Cyber Security Engineer information

What is an ICS Cyber Security Engineer?

An ICS Cyber Security Engineer is responsible for securing industrial control systems (ICS) used in critical infrastructure like power plants, manufacturing, and water treatment facilities. They identify vulnerabilities, implement protective measures, and ensure compliance with security regulations. Their duties include risk assessments, network monitoring, incident response, and designing secure architectures. The role requires knowledge of both IT and operational technology (OT) environments to safeguard against cyber threats.

What are some unique challenges an ICS Cyber Security Engineer faces compared to traditional IT security roles?

ICS Cyber Security Engineers often work with legacy systems and specialized industrial protocols that were not originally designed with cybersecurity in mind, making vulnerability management more complex. Unlike standard IT environments, downtime in industrial settings can have significant safety or operational impacts, so careful planning and coordination with operations teams is crucial. Additionally, these engineers must balance security measures with the need for uninterrupted production processes and regulatory compliance. This role requires ongoing learning to keep up with evolving threats specific to industrial networks while collaborating closely with both IT and operational technology (OT) personnel.

What are the key skills and qualifications needed to thrive in the ICS Cyber Security Engineer position, and why are they important?

To thrive as an ICS Cyber Security Engineer, you need a solid background in information security, network protocols, and industrial control systems (ICS), typically supported by a degree in computer science, engineering, or a related field. Familiarity with security assessment tools, firewalls, IDS/IPS, SCADA systems, and certifications like CISSP or GICSP are highly valued. Strong problem-solving abilities, attention to detail, and effective communication skills help engineers collaborate with cross-disciplinary teams and handle incidents efficiently. These competencies are critical for protecting critical infrastructure from evolving cyber threats and ensuring operational continuity.

What are the most commonly searched types of Ics Cyber Security Engineer jobs in California?

The most popular types of Ics Cyber Security Engineer jobs in California are:

What are popular job titles related to Ics Cyber Security Engineer jobs in California?

For Ics Cyber Security Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Ics Cyber Security Engineer jobs in California look for?

The top searched job categories for Ics Cyber Security Engineer jobs in California are:

Ics Cyber Security Engineer jobs near you
Infographic showing various Ics Cyber Security Engineer job openings in California as of August 2026, with employment types broken down into 84% Full Time, 14% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Operational Technology Network Engineer

Automationtechies

West Sacramento, CA

Full-time

Medical, Dental, Vision, Retirement

Posted 2 days ago

New

Job description

Operational Technology Network Engineer

Location: West Sacramento, CA | Full-Time | 25%+ Travel

Build the Future of Industrial Automation and Cybersecurity

Are you a controls engineer or network professional ready to take your career into Operational Technology (OT), industrial networking, and ICS cybersecurity?

Our client is a growing process and controls engineering company delivering automation and technology solutions to manufacturing companies across the United States and Caribbean. This role combines industrial automation, networking, cybersecurity, virtualization, SCADA, and customer-facing engineering.

You’ll work on projects that connect IT and OT environments while helping clients improve reliability, security, and performance.

What You’ll Do

  • Design, configure, deploy, and troubleshoot industrial networks and OT infrastructure
  • Develop industrial data centers using servers, switches, firewalls, NAS/SAN, hypervisors, and clusters
  • Configure Windows/Linux servers, Active Directory, DNS, WSUS, certificates, and related infrastructure
  • Configure and deploy SCADA systems, including high availability and database/authentication integrations
  • Conduct industrial network assessments and present findings to customers
  • Support ICS cybersecurity implementation, monitoring, and defense-in-depth strategies
  • Perform patching, firmware upgrades, system maintenance, and troubleshooting
  • Develop network drawings, IP address lists, server documentation, functional descriptions, and user requirements
  • Work with IT teams to complete IT/OT integrations
  • Support controls engineers with PLC, HMI, SCADA, VFD, and instrumentation troubleshooting
  • Work with electrical and telecommunications contractors during network installations
  • Manage OT/ICS infrastructure projects up to $250K
  • Help develop internal standards, best practices, and lab environments
  • Work directly with customers to understand needs and deliver solutions

What You Bring

  • CCNA certification
  • Bachelor’s degree in Electrical, Mechanical, Chemical Engineering, IT, Cybersecurity, or related field
  • 3+ years of controls engineering experience programming, integrating, and commissioning PLC, HMI, and SCADA systems
  • 2+ years of enterprise or industrial network configuration
  • 1+ year of virtualization experience with VMware, Hyper-V, Proxmox, Nutanix, or similar
  • Experience troubleshooting industrial networks, SCADA, and Windows/Linux systems
  • Ability to manage multiple projects and priorities
  • Proficiency with Microsoft Office, including Word, Excel, Outlook, and Project
  • Willingness to travel at least 25%

Preferred Experience

Experience with any of the following will strengthen your application:

  • Rockwell Automation / Allen-Bradley platforms including Studio 5000 and FactoryTalk
  • Ignition, Sepasoft, or WonderWare
  • VMware ESXi, vCenter, Hyper-V, or Proxmox
  • Cisco, Dell, or Fortinet network equipment
  • Industrial protocols including EtherNet/IP, Modbus, ControlNet, DeviceNet, Profibus, RIO, or DH+
  • IT/OT infrastructure including Active Directory, DNS, SMTP Relay, WSUS, Certificate Services, and backup systems
  • OT network vulnerability assessments
  • IEC 62443 and NIST SP 800-82
  • AutoCAD and Microsoft Visio
  • EIT or PE certification
  • VMware VCP certification

Why Join?

  • Work at the intersection of automation, networking, and cybersecurity
  • Support industrial projects across the U.S. and Caribbean
  • Work with PLC, SCADA, networking, virtualization, and ICS cybersecurity technologies
  • Take ownership of projects from design through implementation
  • Medical, dental, and vision insurance
  • 401(k)

If you have controls, industrial networking, SCADA, or OT infrastructure experience and want to expand your career into industrial cybersecurity, apply today.

Apply