Top 181 systems administrator Jobs in walnut, 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
3d
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
SAP System Administrator
Amphastar Pharmaceuticals Inc. —Rancho Cucamonga, CA
- $90,000 - $110,000 a year
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
- Health savings account
- Health insurance
Quick Apply
9d
Systems Administrator
Robert Half —Orange, CA
- $75,000 - $85,000 a year
- Mid-level
- Windows
- Residential
- Disability insurance
- Dental insurance
Quick Apply
5d
Systems Administrator
Computer Concepts —San Dimas, CA
- $70,000 - $100,000 a year
- Full-time
- Background check
- Mid-level
- Windows
- Health insurance
- Paid time off
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Information Technology Specialist I
South Coast Air Quality Management District —Diamond Bar, CA
- $60,386.46 - $85,883.00 a year
- Weekends as needed
- Computer Science
- Research
- High school diploma or GED
- Paid jury duty
- Health savings account
9d
IT Support Specialist I
Akido —Pomona, CA
- $21.63 - $25.24 an hour
- Computer science
- Microsoft Excel
- Microsoft Outlook
- Disability insurance
- Health insurance
I.T. Service Desk Specialist
San Antonio Regional Hospital —Upland, CA
- $22.83 - $34.25 an hour
- Per diem
- Microsoft Outlook
- Computer Science
- Writing skills
Systems & Network Administration
Quinn Company —City of Industry, CA
- $105,000 - $115,000 a year
- Full-time
- System design
- Mid-level
- Office
Quick Apply
IT Systems Administrator
OLIPOP —Los Angeles, CA
- $110,000 - $120,000 a year
- Remote
- 5 years
- Continuous improvement
- SharePoint
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6d
Systems Administrator
Peraton —Monrovia, CA
- $66,000 - $106,000 a year
- Bachelor of Science
- Windows
- Driver's License
- Health savings account
- Paid holidays
IT Support Specialist
Million Dollar Baby Co. —Pico Rivera, CA
- $65,000 - $73,000 a year
- Hybrid work
- Computer science
- Computer Science
- Research
- Health insurance
- Dental insurance
IT Support Specialist (Entry-Level)
WINONICS —Brea, CA
- $20 - $23 an hour
- Full-time
- Office
- Microsoft Office
- High school diploma or GED
Quick Apply
IT Specialist (SYSANALYSIS)
US Deputy Assistant Secretary for Information and Technology —Anaheim, CA
- $106,437 - $138,370 a year
- Multiple hires
- Hybrid work
- Background check
- Psychiatry
- Pass drug screening
4d
Linux System Administrator
Teknita LLC —City of Industry, CA
- On call
- Azure
- AWS
- Analysis skills
IT Systems Administrator
SAIC —Anaheim, CA
- $80,001 - $120,000 a year
- Full-time
- Hybrid work
- Computer Science
- ERP systems
- Pass drug screening
3d
Principal Control Systems Administrator
Inland Empire Utilities Agency —Chino, CA
- $156,717.34 - $190,943.22 a year
- Full-time
- 7 years
- Management
- Computer Science
- Profit sharing
- AD&D insurance
System Administrator
Tata Consultancy Services —Corona, CA
- $110,000 - $135,000 a year
- Google Workspace
- Computer Science
- Mid-level
- Commuter assistance
- Health insurance
IT Specialist
Inland Valley Recovery Services —Upland, CA
- $35 - $36 an hour
- Full-time
- Background check
- CPR Certification
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
6d
IT Specialist / Health System / Ambulatory Care
Palm Health Resources —Los Angeles, CA
- $77 - $124 an hour
- 8 hour shift
- Doctoral degree
- Mid-level
- Outpatient
- Health savings account
- Relocation assistance
Quick Apply

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systems administrator jobs near walnut, ca

Network and Cybersecurity Administrator

Electrical Training Institute -
Commerce, CA

Quick Apply

Job Details

Full-time
$75,000 - $83,800 a year
3 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

systems administrator jobs in walnut, ca

Network and Cybersecurity Administrator

Network/Infrastructure Administrator

SAP System Administrator

Systems Administrator

Systems Administrator

Information Technology Specialist I

IT Support Specialist I

I.T. Service Desk Specialist

Systems & Network Administration

IT Systems Administrator

Systems Administrator

IT Support Specialist

IT Support Specialist (Entry-Level)

IT Specialist (SYSANALYSIS)

Linux System Administrator

IT Systems Administrator

Principal Control Systems Administrator

System Administrator

IT Specialist

IT Specialist / Health System / Ambulatory Care

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