Top 49 network administrator Jobs in tustin ca

Network and Cybersecurity Administrator
Electrical Training Institute —Commerce, CA
- $75,000 - $83,800 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health savings account
- Health insurance
Quick Apply
2d
Network/Infrastructure Administrator
Acorn Engineering —City of Industry, CA
- $68,000 - $70,000 a year
- Weekends as needed
- Azure
- Software troubleshooting
- Mid-level
- Health savings account
- Health insurance
Quick Apply
Network Administrator
C3 Tech —Santa Ana, CA
- $68,437.55 - $82,419.41 a year
- Full-time
- Hybrid work
- Background check
- Customer service
- Pass drug screening
- Mileage reimbursement
- Health savings account
Quick Apply
4d
IT Network Administrator I
Shimano North America Holding —Irvine, CA
- $35.82 - $39.57 an hour
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Computer Science
- Wellness program
- Health insurance
Quick Apply
Information Systems Administrator
Mater Dei High School.1 —Santa Ana, CA
- $90,000 - $110,000 a year
- Weekends as needed
- Computer Science
- Mid-level
- Master's degree
1d
IT Systems Administrator
Diality —Irvine, CA
- $103,000 - $120,000 a year
- Computer science
- Computer Science
- 5 years
Quick Apply
8d
Computer Hardware Engineer
A-L-L Magnetics —Anaheim, CA
- Email
- Computer science
- Computer Science
- Bachelor of Science
MacOS System Administrator
Briviant Inc. —Irvine, CA
- $30 - $40 an hour
- Part-time
- Hybrid work
- Computer science
- Computer Science
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
Network & Systems Administrator
Best Choice Products —Newport Beach, CA
- $90,000 - $130,000 a year
- Weekends as needed
- Azure
- Computer Science
- Office
- Paid holidays
- Health insurance
Quick Apply
Sr Network Analyst
B. Braun SE —Irvine, CA
- $126,000 - $157,000 a year
- Hybrid work
- Office
- 8 years
- Bachelor's degree
- Health insurance
- 401(k)
Network Storage Administrator- Irvine, CA
Cystems Logic Inc —Irvine, CA
- Contract
- 5 years
- Office
- Presentation skills
Quick Apply
IT Systems Administrator
Mariners Church —Irvine, CA
- $70,000 - $75,000 a year
- Weekends as needed
- Mid-level
- Office
- 3 years
- Health insurance
- Dental insurance
Quick Apply
Systems Administrator
Willdan —Anaheim, CA
- $85,000 - $90,000 a year
- Computer science
- Azure
- Computer Science
- Employee stock purchase plan
- Health insurance
Quick Apply
Service Desk System Administrator (Associate or Experienced)
Boeing —Seal Beach, CA
- $78,200 - $139,150 a year
- Computer Science
- Mid-level
- Windows
- Health savings account
- Disability insurance
4d
Network Support Engineer
Zenlayer, Inc —Diamond Bar, CA
- Weekends as needed
- Hybrid work
- Research
- Mid-level
- Office
Quick Apply
System Administrator
Tata Consultancy Services —Corona, CA
- $110,000 - $135,000 a year
- Google Workspace
- Computer Science
- Mid-level
- Commuter assistance
- Health insurance
Systems Administrator
NEKTER JUICE BAR INC —Costa Mesa, CA
- $26 - $30 an hour
- Full-time
- 5 years
- Office
- Conflict management
- Health insurance
- Paid time off
Quick Apply
Senior Systems Administrator
Anduril Industries —Santa Ana, CA
- $146,000 - $194,000 a year
- Email
- 8 years
- Scripting
- Senior level
Quick Apply
1d
IT Systems Administrator
cFive Solutions, Inc —Anaheim, CA
- Full-time
- Computer science
- Azure
- Computer Science
- AD&D insurance
- Health insurance
Quick Apply
Server Administrator II Enterprise Systems (Anaheim, CA)
Wescom Credit Union —Anaheim Hills, CA
- $48.50 - $72.77 an hour
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Microsoft Outlook

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Network and Cybersecurity Administrator

Electrical Training Institute -
Commerce, CA

Quick Apply

Job Details

Full-time
$75,000 - $83,800 a year
2 days ago

Benefits

Health savings account
Health insurance
Dental insurance
Paid time off
Vision insurance
Retirement plan

Qualifications

Computer science
Azure
Computer Science
IT system monitoring
Public Cloud
Virtualization tools
Bachelor's degree
Wireless communication system operation
Regulatory Frameworks (Architecture security)
Cloud networking
Server virtualization
Windows support
Network routing
Microsoft 365 support
VPN management
CompTIA Security+
Active Directory management
Information Technology

Full Job Description

Position Summary

The Network and Cybersecurity Administrator is responsible for the design, implementation, maintenance, monitoring, and security of the organization's network, server, cloud, and cybersecurity infrastructure. This position serves as the primary technical resource for network operations, cybersecurity defense, vulnerability management, incident response, and infrastructure reliability.

The ideal candidate combines strong networking expertise with hands-on cybersecurity experience to ensure the confidentiality, integrity, and availability of organizational systems and data while supporting business operations and strategic technology initiatives.

Essential Duties and Responsibilities

Network Administration

Design, implement, maintain, and optimize enterprise network infrastructure including switches, routers, firewalls, wireless systems, and VPN technologies.
Monitor network performance, availability, and capacity to ensure reliable operations.
Configure and manage network segmentation, VLANs, routing, and access controls.
Troubleshoot complex network connectivity and performance issues.
Maintain network documentation, diagrams, and disaster recovery procedures.

Cybersecurity Operations

Administer and maintain cybersecurity tools including firewalls, endpoint protection, email security, SIEM, vulnerability management, and monitoring platforms.
Conduct vulnerability assessments and coordinate remediation efforts.
Monitor security alerts, investigate incidents, and lead response activities.
Implement and enforce cybersecurity policies, standards, and best practices.
Perform security audits, risk assessments, and compliance reviews.
Manage security awareness initiatives and provide guidance to staff regarding cybersecurity threats and safe computing practices.

Systems and Infrastructure Management

Support on-premises and cloud-based infrastructure environments.
Manage Microsoft 365, Azure, Active Directory, identity management, and related technologies.
Maintain backup, recovery, and business continuity solutions.
Coordinate software updates, patch management, and system hardening activities.
Ensure system availability, security, and performance across all technology platforms.

Governance, Risk, and Compliance

Assist in developing and maintaining cybersecurity policies, procedures, and standards.
Support regulatory, compliance, and audit requirements.
Maintain documentation related to cybersecurity controls and operational procedures.
Participate in disaster recovery planning and testing exercises.

Project Management and Strategic Initiatives

Evaluate emerging technologies and recommend improvements to infrastructure and security posture.
Lead or participate in technology implementation projects.
Collaborate with vendors, consultants, and internal stakeholders to support organizational objectives.
Provide technical guidance and mentorship to IT staff as needed.

Required Qualifications

Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field, or equivalent work experience.
Minimum 5 years of experience in network administration, systems administration, cybersecurity, or related technical roles.
Experience managing enterprise networking environments.
Experience implementing and maintaining cybersecurity controls and security monitoring solutions.
Strong understanding of TCP/IP networking, routing, switching, wireless technologies, and VPNs.
Experience with Microsoft 365, Active Directory, Azure, Windows Server, and virtualization technologies.
Knowledge of cybersecurity frameworks and best practices including NIST Cybersecurity Framework and CIS Controls.
Excellent troubleshooting, analytical, and communication skills.

Preferred Qualifications

Industry certifications such as:
CISSP
Security+
CySA+
CCNA or CCNP
Microsoft Azure Security Engineer Associate
Certified Ethical Hacker (CEH)
Experience with:
SIEM platforms
Endpoint Detection and Response (EDR)
Vulnerability management tools
Cloud security technologies
Security awareness training programs
Experience supporting educational, training, or nonprofit organizations.

Knowledge, Skills, and Abilities

Strong understanding of cybersecurity principles and defense strategies.
Ability to identify, assess, and mitigate security risks.

Pay: $75,000.00 - $83,800.00 per year

Benefits:

Dental insurance
Health insurance
Health savings account
Paid time off
Retirement plan
Vision insurance

Work Location: In person

Quick Apply

Refine Your Search

network administrator jobs in tustin ca

Network and Cybersecurity Administrator

Network/Infrastructure Administrator

Network Administrator

IT Network Administrator I

Information Systems Administrator

IT Systems Administrator

Computer Hardware Engineer

MacOS System Administrator

Network & Systems Administrator

Sr Network Analyst

Network Storage Administrator- Irvine, CA

IT Systems Administrator

Systems Administrator

Service Desk System Administrator (Associate or Experienced)

Network Support Engineer

System Administrator

Systems Administrator

Senior Systems Administrator

IT Systems Administrator

Server Administrator II Enterprise Systems (Anaheim, CA)

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