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Network Security Engineer Jobs in California (NOW HIRING)

Kaygen Inc.

Sr Network Security Engineer

Los Angeles, CA · On-site

$60 - $75/hr

Job Title: Sr Network Security Engineer Location: Los Angeles, CA Duration: 6 Months Plus Description: Seeking a highly qualified Network & Network Security contractor to support the Network & Voice ...

Penumbra

Senior Network Security Engineer

Alameda, CA

$146K - $220K/yr

As a Senior Network Security Engineer at Penumbra, you will play a critical role in determining the company's long term goals. You will be a key member of the Information Security and Compliance team.

Penumbra

Senior Network Security Engineer

Alameda, CA · On-site

$146K - $220K/yr

As a Senior Network Security Engineer at Penumbra, you will play a critical role in determining the company's long term goals. You will be a key member of the Information Security and Compliance team.

Penumbra

Senior Network Security Engineer

Alameda, CA

$146K - $220K/yr

As a Senior Network Security Engineer at Penumbra, you will play a critical role in determining the company's long term goals. You will be a key member of the Information Security and Compliance team.

Kaygen Inc

Sr Network Security Engineer

Los Angeles, CA · On-site

$63 - $82.50/hr

Job Title: Sr Network Security Engineer Location: Los Angeles, CA Duration: 6 Months Plus Description: Seeking a highly qualified Network & Network Security contractor to support the Network & Voice ...

Kaygen Inc.

Sr Network Security Engineer

Los Angeles, CA · On-site

$63 - $82.50/hr

Job Title: Sr Network Security Engineer Location: Los Angeles, CA Duration: 6 Months Plus Description: Seeking a highly qualified Network & Network Security contractor to support the Network & Voice ...

Lightning AI

Network Security Engineer

San Francisco, CA · On-site

$180K - $220K/yr

What We're Looking For We're looking for a Network Security Engineer to design, implement, and maintain secure network infrastructure across Lightning AI's platform. In this role, you'll take ...

ClifyX

Network Security Engineer

San Rafael, CA · On-site

$116K - $159K/yr

ClifyX is a company seeking a Network Security Engineer with expertise in Palo Alto PRISMA and Next Gen Firewalls. The role involves serving as a subject matter expert, managing firewall technologies ...

Ampcus Inc

Network Security Engineer

San Francisco, CA · On-site

$123K - $168K/yr

They are looking for a senior level Network Security Engineer to serve as a Subject Matter Expert (SME) for PANW products, providing support and consultation to customers in securely implementing ...

Muon Space

Senior Network Security Engineer

San Jose, CA · On-site

$184K - $208K/yr

About the role Muon seeks a Senior Network Security Engineer to join our team. The ideal candidate is a seasoned network security professional who will design, secure, and operate the networks and ...

Muon Space

Senior Network Security Engineer

San Jose, CA · On-site

$184K - $208K/yr

About the role Muon seeks a Senior Network Security Engineer to join our team. The ideal candidate is a seasoned network security professional who will design, secure, and operate the networks and ...

Valar Atomics

Senior Network Security Engineer

Torrance, CA · On-site

$61 - $80/hr

The Role Valar Atomics is seeking a hands-on Senior Network Security Engineer to design, implement, and maintain our enterprise network security infrastructure. This role focuses heavily on Palo Alto ...

Valar Atomics

Senior Network Security Engineer

Torrance, CA · On-site

$61 - $80/hr

The Role Valar Atomics is seeking a hands-on Senior Network Security Engineer to design, implement, and maintain our enterprise network security infrastructure. This role focuses heavily on Palo Alto ...

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All JobsNetwork Security Engineer JobsNetwork Security Engineer Jobs in California

Network Security Engineer information

See California salary details

$20.7K

$123.3K

$164.8K

How much do network security engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for network security engineer in California is $123,312.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,100.00 and $141,100.00 per year, depending on experience, location, and employer.

What is a network security engineer?

Network Security Engineers are IT professionals responsible for protecting an organization's computer networks from security threats and unauthorized access. They design, implement, and maintain security measures such as firewalls, intrusion detection systems, and encryption protocols. Their role involves monitoring network traffic, responding to security incidents, and ensuring compliance with security policies and regulations. Network Security Engineers also conduct regular vulnerability assessments and work to keep systems up to date against evolving cyber threats.

What does a network security engineer do?

As a network security engineer, your job duties include configuring routers, switches, firewalls, virtual private networks (VPNs), and other network monitoring tools against intrusions. You need technical, analytical, and problem-solving skills to carry out your network security tasks. Your job is to ensure that your company’s internal networks are protected from potential online threats, like hackers and malware that can steal or corrupt sensitive data from websites, computer programs, databases, and servers. You need to remain current with new developments in the field to master fast-evolving network security technologies.

What are the key skills and qualifications needed to thrive as a network security engineer?

To thrive as a Network Security Engineer, you need a solid understanding of networking protocols, firewall management, vulnerability assessment, and typically a bachelor's degree in computer science or a related field. Familiarity with security tools like IDS/IPS, SIEM systems, and certifications such as CISSP or CompTIA Security+ are highly valued. Strong analytical thinking, attention to detail, and effective communication skills help distinguish top professionals in this role. These skills are crucial for safeguarding organizational data, identifying security threats, and ensuring robust network protection.

What are some common challenges faced by network security engineers in maintaining secure and efficient networks?

Network Security Engineers often encounter challenges such as staying ahead of rapidly evolving cyber threats, ensuring minimal downtime during security upgrades, and balancing strong security measures with network performance. Additionally, they must work closely with IT teams and end-users to implement security policies without disrupting daily operations. Keeping up with compliance standards and effectively communicating risks and solutions to non-technical stakeholders are also important aspects of the role.

What is the difference between Network Security Engineer vs Security Analyst?

AspectNetwork Security EngineerSecurity Analyst
CertificationsCCNA, CISSP, CompTIA Security+CISSP, GIAC Security Essentials, CompTIA Security+
Work EnvironmentDesigning, implementing, and maintaining security infrastructureMonitoring, analyzing, and responding to security incidents
Employer & Industry UsageIT departments, cybersecurity firms, large enterprisesCorporate security teams, government agencies, financial institutions

While both roles focus on cybersecurity, Network Security Engineers primarily design and implement security systems, whereas Security Analysts monitor and respond to security threats. They often work together to ensure comprehensive protection of organizational networks.

Are network security engineers in demand?

Network security engineers are in high demand due to increasing cybersecurity threats and the need for organizations to protect their digital assets. The role requires skills in firewalls, intrusion detection, and security protocols, and often benefits from certifications like CISSP or CEH. Job growth in this field is expected to remain strong as cybersecurity remains a top priority for businesses worldwide.
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Network Security Engineer jobs near you
Infographic showing various Network Security Engineer job openings in California as of September 2026, with employment types broken down into 58% Full Time, and 42% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $123,312 per year, or $59.3 per hour.

Sr Network Security Engineer

Los Angeles, CA • On-site

Kaygen Inc.
IT Services • 51 - 200 employees
Learn more about Kaygen Inc.external

$60 - $75/hr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: Sr Network Security Engineer
Location: Los Angeles, CA
Duration: 6 Months Plus
Description:
Seeking a highly qualified Network & Network Security contractor to support the Network & Voice Operations team in implementing critical network security enhancements, infrastructure modernization initiatives, and operational improvements. This role is ideal for an experienced networking professional with deep expertise in enterprise network architecture, security, and operations, including hands-on experience with modern Cisco switching platforms and Cisco Next-Generation Firewalls (NGFWs).
Key Responsibilities:
• Conduct site surveys and develop comprehensive assessments and reports on power and fiber redundancy for core network infrastructure, including Provider Edge (PE), Provider (P), and firewall devices
• Perform Cisco IOS and firmware upgrades on switches, routers, firewalls, and related network infrastructure using approved software releases
• Review, assess, and optimize enterprise network management and monitoring platforms, including Cisco Catalyst Center, Cisco Identity Services Engine (ISE), Thousand Eyes, and Spectrum
• Perform system patching, security vulnerability remediation, compliance validation, and certification reporting activities
• Support operational activities through ServiceNow ticket response, troubleshooting, and documentation of technical decisions and implementation outcomes
• Collaborate with engineering and operations teams to maintain network reliability, security, and performance
Qualifications:
• Active Cisco Certified Network Professional (CCNP) certification, or equivalent demonstrated experience in enterprise networking and network security
• Minimum of five (5) years and preferred up to ten (10) years of hands-on experience supporting enterprise network and security environments
• Extensive experience with Cisco enterprise switching platforms and Cisco Next-Generation Firewalls (NGFWs)
• Working knowledge of Cisco Catalyst Center, Cisco Secure Firewall Management Center (FMC), and Cisco Identity Services Engine (ISE)
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent written and verbal communication skills, with the ability to coordinate effectively across technical and business teams
Preferred:
• Current and active Cisco Certified Network Professional (CCNP) certification
• Knowledgeable with enterprise monitoring, reporting, and operational support processes
• Experience with network security compliance, risk management, and cybersecurity best practices
• Experience supporting public sector agencies, or other large-scale enterprise IT environments