Top 6 Junior cybersecurity administrator Jobs in Chino, Ca

Junior Cybersecurity Administrator
T.M. Cobb Companies —Riverside, CA
- $30 - $45 an hour
- Computer science
- Computer Science
- Windows
- Dental insurance
- 401(k)
Quick Apply
5d
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
4d
IT System Administrator
CTC GLOBAL CORPORATION —Irvine, CA
- $96,523 - $118,539 a year
- Computer science
- 7 years
- Azure
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5d
IT Systems Administrator
Winchester Interconnect —Orange, CA
- $80,000 - $115,000 a year
- Computer science
- Azure
- Computer Science
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Senior System Administrator
Penhall Company —Anaheim, CA
- Full-time
- 5 years
- Office
- Bachelor's degree
6d
Senior IT Support Engineer (4+ years experience required)
TechHeights —Irvine, CA
- $32 - $36 an hour
- Full-time
- Azure
- Microsoft Outlook
- Mid-level
- Health insurance
- 401(k)
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2d

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Junior Cybersecurity Administrator

T.M. Cobb Companies
Riverside, CA

Quick Apply

Job Details

$30 - $45 an hour
5 days ago

Benefits

Dental insurance
401(k)
Flexible spending account
Paid time off
Vision insurance
Employee discount
Life insurance

Qualifications

CompTIA Security+

Full Job Description

Our manufacturing and distribution company operates five manufacturing plants, four distribution warehouses, and multiple sales offices. We pride ourselves on maintaining our Founder’s original vision: delivering quality products, responsive service, and long-term value to our customers. Our employees are the foundation of our success, with many contributing 20+ years of service.

As a Junior Cybersecurity Administrator, you will provide entry-level to intermediate cybersecurity administration and operational support for TM Cobb and Haley Bros’ critical business systems. You will work under the guidance of senior cybersecurity and IT leadership to help protect company systems, users, and data by implementing and maintaining security tools, monitoring threats, and supporting compliance initiatives aligned with CIS v8 security controls.

This role is hands-on and developmental, offering the opportunity to build expertise across endpoint security, email security, vulnerability management, and cloud security platforms.

Duties and Responsibilities

Assist in the administration and daily operation of cybersecurity platforms including:
Rapid7 (InsightVM, InsightIDR or equivalent)
CrowdStrike Falcon (endpoint protection and EDR)
Proofpoint Essentials (email security and threat protection)
Microsoft 365 Defender (endpoint, identity, and cloud security)
Perform routine vulnerability scans and assist with remediation tracking under senior guidance.
Monitor security alerts, logs, and dashboards; escalate potential threats or incidents appropriately.
Assist in incident response activities, including investigation, containment, and documentation.
Support implementation and enforcement of cybersecurity policies and procedures aligned with CIS v8 framework.
Help manage endpoint security posture, including antivirus/EDR health, patching status, and compliance.
Assist with email security administration, including phishing analysis, spam filtering, and user reporting.
Maintain accurate documentation of security processes, incidents, and remediation activities.
Participate in user security awareness efforts, including phishing simulations and training support.
Collaborate with IT teams to ensure systems and networks are configured securely.
Assist in onboarding/offboarding processes related to user access and identity security.
Support audits, compliance reviews, and reporting activities as needed.
Participate in IT and cybersecurity projects (deployments, upgrades, tool enhancements).

Education

Associate or bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field (or equivalent experience)

Certifications (Required / Preferred)

CompTIA Security+ (required or within 12 months of hire)
Microsoft Security Fundamentals (SC-900) preferred
Certified Ethical Hacker (CEH) or similar (optional, entry-level exposure acceptable)

Technical Skills & Qualifications

Experience

0–2 years of IT or cybersecurity experience (internships or lab experience acceptable)
Exposure to cybersecurity tools or platforms (academic or professional)

Core Technical Skills

Basic understanding of:
- Cybersecurity principles (CIA triad, least privilege, defense-in-depth)
- Networking fundamentals (TCP/IP, DNS, DHCP, VPN concepts)
- Operating systems (Windows preferred)
Familiarity with:
- Endpoint protection tools (CrowdStrike or similar)
- Vulnerability management tools (Rapid7 or similar)
- Email security platforms (Proofpoint or similar)
- Microsoft 365 security ecosystem

Additional Skills

Strong analytical and problem-solving abilities
Good written and verbal communication skills
Ability to follow procedures and escalate issues appropriately
Strong attention to detail and documentation skills
Willingness to learn and grow in cybersecurity field

Preferred Qualifications

Internship or hands-on lab experience in cybersecurity or IT support
Familiarity with SIEM concepts and log analysis
Exposure to scripting (PowerShell or Python basics)
Understanding of compliance frameworks (CIS, NIST, ISO)

Benefits

401(k)
Health, Dental, and Vision Insurance
Life Insurance
Flexible Spending Account
Paid Time Off
Employee Discount

Work Location

In person (with occasional travel between company locations as needed)

TM Cobb Companies provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recurring, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Quick Apply

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