Top 309 It operations Jobs in Santa Ana, Ca

IT Systems Administrator
CTC Global Corporation —Irvine, CA
- $96,523 - $118,539 a year
- Full-time
- Computer science
- 7 years
- Azure
- Health insurance
- Dental insurance
Quick Apply
IT Operations Technician
McMaster-Carr —Santa Fe Springs, CA
- $119,625 - $137,625 a year
- Monday to Friday
- Azure
- Mid-level
- Windows
- Profit sharing
- Paid parental leave
Manager, IT Service Desk
Carrington Mortgage Holdings —Orange, CA
- Full-time
- Computer Science
- 3 years
- Supervising experience
- Health insurance
- Tuition reimbursement
8d
IT System Administrator
CTC GLOBAL CORPORATION —Irvine, CA
- $96,523 - $118,539 a year
- Computer science
- 7 years
- Azure
Quick Apply
Chief Technology Officer
Mt. San Antonio College —Walnut, CA
- $239,040 - $258,096 a year
- Online Application
- System design
- Research
- Office
IT Manager – Manufacturing Systems, ERP & Infrastructure
Precision Castparts Corp. —Santa Ana, CA
- $141,000 - $170,000 a year
- Full-time
- 7 years
- ERP systems
- Supervising experience
- Paid holidays
- Health insurance
IT Administrator
Woojin ISA —Carson, CA
- $70,000 - $90,000 a year
- Weekends as needed
- Computer science
- Microsoft Outlook
- Computer Science
- Paid holidays
- Health insurance
Product Manager, Operations Solutions, gTech
Google —Irvine, CA
- $138,000 - $197,000 a year
- Full-time
- Mid-level
- Office
- 3 years
Senior IT Systems Engineer
Credit Union of Southern California —Anaheim, CA
- $126,667 - $188,240 a year
- Weekends as needed
- Hybrid work
- System design
- Research
- Office
- Health insurance
Supervisor, IT Network Operations
PAC Panasonic Avionics Corporation —Irvine, CA
- $119,000 - $200,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- 5 years
- Wellness program
- Health savings account
7d
Senior IT Technologist, Sales Support
Edwards Lifesciences —Irvine, CA
- $70,000 - $99,000 a year
- Full-time
- 7 years
- Azure
- Microsoft Outlook
Director, IT Operations & Business Systems
ILIA, Inc. —Laguna Beach, CA
- $140,000 - $170,000 a year
- Full-time
- Hybrid work
- ERP systems
- System design
- Windows
- Paid parental leave
- Paid holidays
Quick Apply
Technical Operations Support Analyst
Sony Interactive Entertainment —Aliso Viejo, CA
- Weekends as needed
- Mid-level
- AWS
- Criminal background check
INFORMATION SYSTEMS ASSISTANT
GEARY PACIFIC CORPORATION —Anaheim, CA
- $27 - $29 an hour
- Full-time
- Azure
- ERP systems
- Mid-level
- Profit sharing
- Paid holidays
Quick Apply
IT Operations Manager, M&A
Anduril Industries —Costa Mesa, CA
- $129,000 - $171,000 a year
- Email
- Google Workspace
- Salesforce
- System design
Quick Apply
Chief Technology Officer
Hot Topic & BoxLunch —City of Industry, CA
- $300,000 - $350,000 a year
- Full-time
- Hybrid work
- Product management
- Senior level
4d
Division IT Director
Odyssey Logistics & Technology Corporate —Fullerton, CA
- $160,000 - $180,000 a year
- Full-time
- Computer Science
- 11+ years
- Analysis skills
- Health savings account
- Disability insurance
Quick Apply
Product Operations Associate, Tier 1
Anduril Industries —Santa Ana, CA
- $68,000 - $90,000 a year
- Overnight shift
- Salesforce
- Bachelor's degree
- Continuous improvement
Quick Apply
Coordinator, Assistive Technology
Mt. San Antonio College —Walnut, CA
- $81,655.80 - $104,216.04 a year
- Temporary
- Classroom
- Computer Science
- Experience working with individuals with disabilities
10684 - Client Services Manager (Microsoft Intune, Windows Autopilot)
Hyundai Autoever America —Irvine, CA
- $150,000 - $170,000 a year
- Full-time
- Office
- Windows
- 8 years
Quick Apply

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it operations jobs near santa ana, ca

IT Systems Administrator

CTC Global Corporation -
Irvine, CA

Quick Apply

Job Details

Permanent | Full-time
$96,523 - $118,539 a year

Benefits

Health insurance
Dental insurance
401(k)
Flexible spending account
Employee assistance program
Vision insurance
401(k) matching
Life insurance

Qualifications

Cloud identity and access management (IAM)
Zero Trust security
Telecommunications network device configuration
Computer science
Systems integration
Network documentation
Industrial automation
7 years
Azure
Human-machine interface (HMI) systems
Computer Science
Telecommunications network configuration documentation
IT user and group management
Zero Trust Architecture (Architecture security)
Automation
GPO
Technical documentation
Improving system uptime or availability
CCNA
IT system monitoring
Regulatory compliance
System performance optimization
Data recovery
Configuration management
Vulnerability Remediation
Server backup and recovery
Operating system updates
Information Systems
Public Cloud
Scalable systems

Full Job Description

Overview

The IT Systems Administrator is responsible for the administration, maintenance, and security of both IT (enterprise systems) and OT (manufacturing/industrial systems) environments across all locations.

This role bridges enterprise IT and operational technology, ensuring reliable, secure, and scalable integration between servers, networks, cloud platforms, and manufacturing systems (PLCs, SCADA, HMIs).

The position is critical in supporting business operations, production uptime, cybersecurity initiatives (including Zero Trust), and IT convergence strategies.

Responsibilities

IT Systems Administration (Enterprise)

· Administer and maintain:

o Windows Server environments, Active Directory, DNS, DHCP

o Virtual environments (VMware / Hyper-V)

o Cloud services (Azure / M365)

· Manage system performance, availability, and patching

· Support identity and access management (IAM) and Group Policy

· Provide Tier 2/3 escalation support for infrastructure issues

Network & Infrastructure Support

· Support LAN, WAN, VPN, wireless, and cloud network connectivity

· Assist with configuration and troubleshooting of network devices (switches, firewalls, APs)

· Monitor infrastructure performance and availability

· Collaborate with network engineering on upgrades and optimization

OT / Industrial Systems Support

· Support and maintain systems connected to:

o PLCs, SCADA, and HMI environments

o Industrial control systems (ICS) within manufacturing sites

· Ensure reliable system and network communication for production equipment

· Assist in troubleshooting production-impacting system issues

· Coordinate with manufacturing, automation, and controls teams

IT Integration & Security

· Support secure integration between IT and OT environments

· Implement system-level and network-level segmentation controls

· Contribute to Zero Trust Architecture initiatives

· Ensure secure authentication, access controls, and system hardening across environments

Backup, Recovery & Business Continuity

· Manage backup solutions for servers, systems, and critical OT data

· Develop and maintain disaster recovery procedures

· Participate in DR testing and incident recovery

Monitoring, Performance & Optimization

· Monitor system and infrastructure performance across IT and OT environments

· Identify bottlenecks, risks, and availability issues

· Implement performance tuning and system improvements

Security & Compliance

· Apply patches, updates, and security baselines to systems

· Support vulnerability remediation and audit requirements

· Ensure compliance with corporate policies and regulatory standards

Documentation & Standards

· Maintain documentation for:

o Systems configurations

o Network diagrams and dependencies

o OT system integrations and workflows

· Follow ITIL processes (change, incident, problem management)

Cross-Functional Collaboration

· Work closely with:

o IT Infrastructure and Security teams

o Manufacturing / Production teams

o Automation and Controls Engineers

· Provide guidance on system and infrastructure requirements for projects

Support & Continuous Improvement

· Support Helpdesk escalation tickets

· Identify automation opportunities and improve operational efficiency

· Mentor junior staff and promote best practices

PREFERRED QUALIFICATIONS:

Education

· Bachelor’s degree in Computer Science, Information Systems, or equivalent experience

Certifications (Preferred)

· Microsoft (Azure / Windows Server) certifications

· CCNA or equivalent networking certification

· Security+ or equivalent

· OT / ICS certifications (a plus)

Professional Experience

· 7+ years of experience in:

o Systems Administration

o Infrastructure / Network Support

o OT / Manufacturing environment experience preferred

· Experience supporting multi-site or global operations is a plus

Technical Skills

Systems & Infrastructure

· Windows Server, Active Directory, Group Policy

· Virtualization (VMware / Hyper-V)

· Microsoft 365 / Azure

· Backup and recovery platforms

Networking

· TCP/IP, DNS, DHCP, VLANs

· Firewall and VPN technologies

· Wireless and enterprise networking

OT / Industrial Systems (Preferred)

· Experience with:

o PLC-connected systems

o SCADA / HMI platforms

o Industrial protocols (Aveva, Modbus, OPC, Ethernet/IP)

· Understanding of IT segmentation and secure ICS environments

Key Competencies

· Strong troubleshooting and analytical skills

· Ability to operate across IT and manufacturing environments

· Effective communication across technical and business teams

· Strong documentation and process discipline

· High sense of urgency, especially for production-impacting issues

Pay: $96,523.00 - $118,539.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Employee assistance program
Flexible spending account
Health insurance
Life insurance
Vision insurance

Work Location: In person

Quick Apply

Refine Your Search

it operations jobs in santa ana, ca

IT Systems Administrator

IT Operations Technician

Manager, IT Service Desk

IT System Administrator

Chief Technology Officer

IT Manager – Manufacturing Systems, ERP & Infrastructure

IT Administrator

Product Manager, Operations Solutions, gTech

Senior IT Systems Engineer

Supervisor, IT Network Operations

Senior IT Technologist, Sales Support

Director, IT Operations & Business Systems

Technical Operations Support Analyst

INFORMATION SYSTEMS ASSISTANT

IT Operations Manager, M&A

Chief Technology Officer

Division IT Director

Product Operations Associate, Tier 1

Coordinator, Assistive Technology

10684 - Client Services Manager (Microsoft Intune, Windows Autopilot)

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