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Computer Network Defense Jobs in California (NOW HIRING)

GDIT

Cyber Security Analyst Sr

Linda, CA · On-site

$93K - $118K/yr

Cyber Defense, Cybersecurity, Network Defense Certifications: None Experience: 3 + years of related ... Computer Response Team (AFCERT) notifications and compliance with other governing directives

Neros Technologies

Network Operations Engineer

Torrance, CA · On-site

$140K - $180K/yr

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We ... Bachelor's degree in Computer Science, Information Technology, or related field with relevant Cisco ...

Neros Technologies

Network Operations Engineer

Torrance, CA · On-site

$140K - $180K/yr

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We ... Bachelor's degree in Computer Science, Information Technology, or related field with relevant Cisco ...

Sigma Defense

1697 - Senior Network Engineer

San Diego, CA · On-site

$130K - $165K/yr

Sigma Defense is seeking a Senior Network Engineer to join our team in San Diego NB, CA. Equal ... Computer Programs/Software: * Experience with supporting E-2D Advanced Hawkeye, Airborne Networking ...

Sigma Defense

1697 - Senior Network Engineer

San Diego, CA · On-site

$130K - $165K/yr

Sigma Defense is seeking a Senior Network Engineer to join our team in San Diego NB, CA. Equal ... Computer Programs/Software: * Experience with supporting E-2D Advanced Hawkeye, Airborne Networking ...

Tyto Athene, LLC

Network Specialist

CA · On-site

$75K - $85K/yr

The Network Specialist ensures that the Department of Defense (DoD) Defense Health Agency (DHA) LAN ... Bachelor's degree in a technical discipline such as Computer Science, Engineering or related ...

Tyto Athene, LLC

Network Specialist

San Diego, CA · Hybrid

$75K - $85K/yr

The Network Specialist ensures that the Department of Defense (DoD) Defense Health Agency (DHA) LAN ... Bachelor's degree in a technical discipline such as Computer Science, Engineering or related ...

Accelint

Network Engineer

San Diego, CA · On-site

This role is part of our Highbury Defense Group (HDG) division, which specializes in C2, systems ... Required Qualifications * Bachelor's degree in Computer Science, Information Technology ...

KBR, Inc.

Network Engineer

El Segundo, CA · On-site

Your contributions will be pivotal in designing and optimizing defense systems that ensure national ... Master's degree in Engineering, Mathematics, Physics, Computer Science, or equivalent technical ...

KBR

Network Engineer

El Segundo, CA

Your contributions will be pivotal in designing and optimizing defense systems that ensure national ... Active Secret security clearance Bachelor's degree in engineering, mathematics, physics, computer ...

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All JobsComputer Network Defense JobsComputer Network Defense Jobs in California

Computer Network Defense information

See California salary details

$31

$48

$61

How much do computer network defense jobs pay per hour?

As of Jun 21, 2026, the average hourly pay for computer network defense in California is $48.10, according to ZipRecruiter salary data. Most workers in this role earn between $36.30 and $61.68 per hour, depending on experience, location, and employer.

Is 40 too old for cyber security?

Computer Network Defense professionals can enter the field at any age, as experience, problem-solving skills, and continuous learning are highly valued. Many employers prioritize skills, certifications, and practical knowledge over age, making it possible to start or transition into cybersecurity at 40 or older.

How much does a computer network defense analyst make?

A computer network defense analyst typically earns between $70,000 and $110,000 annually, depending on experience, certifications, and location. Entry-level positions may start lower, while experienced analysts with certifications like CISSP or CEH can earn higher salaries. The role often involves working with security tools and monitoring network activity to prevent cyber threats.

What are some common challenges faced by professionals in Computer Network Defense roles?

Professionals in Computer Network Defense often face the challenge of keeping up with rapidly evolving cyber threats and attack techniques. The role requires continuous learning and real-time problem-solving as new vulnerabilities and exploits emerge frequently. Team members must also balance proactive threat hunting with responding to immediate incidents, often collaborating closely with IT, security operations, and management to ensure a resilient defense posture. Adaptability, strong communication, and an analytical mindset are key to thriving in this dynamic environment.

What are the key skills and qualifications needed to thrive in Computer Network Defense, and why are they important?

To excel in Computer Network Defense, professionals need a strong understanding of network protocols, cybersecurity principles, and threat analysis, often supported by a degree in information security or computer science. Familiarity with intrusion detection systems (IDS), firewalls, SIEM platforms, and certifications such as CompTIA Security+ or CISSP are commonly required. Analytical thinking, attention to detail, and effective communication are valuable soft skills for this role. These competencies are crucial for proactively identifying vulnerabilities, responding to incidents, and safeguarding organizational networks from evolving cyber threats.

Is SOC an entry level job?

A Security Operations Center (SOC) analyst role can be entry-level, especially for positions labeled as SOC analyst I or junior SOC analyst. However, many SOC roles require some prior knowledge of networking, security tools, and certifications like CompTIA Security+ or Cisco CCNA, with higher-level positions demanding more experience. Entry-level SOC jobs often focus on monitoring security alerts and basic incident response.

What is the difference between Computer Network Defense vs Cybersecurity Analyst?

AspectComputer Network DefenseCybersecurity Analyst
CertificationsCompTIA Security+, CISSP, CEHCompTIA Security+, CISSP, CEH
Work EnvironmentFocus on protecting network infrastructure, monitoring network traffic, and responding to network threatsBroader security analysis, including system vulnerabilities, incident response, and security policies
Employer & Industry UsagePrimarily in government, military, and large enterprise networksAcross various industries including finance, healthcare, and technology

Computer Network Defense and Cybersecurity Analyst roles share similar certifications and work environments, but Network Defense specializes in protecting network infrastructure specifically, while Cybersecurity Analysts handle a broader range of security tasks across systems and applications.

What is Computer Network Defense?

Computer Network Defense (CND) refers to the strategies, technologies, and processes used to protect computer networks and systems from unauthorized access, cyberattacks, and other security threats. CND professionals monitor network traffic, detect and respond to security incidents, and implement measures to prevent future attacks. Their work is critical for maintaining the confidentiality, integrity, and availability of information systems, especially in organizations that handle sensitive data. CND also involves regular vulnerability assessments, security policy enforcement, and incident response planning.

Can you make $500,000 a year in cyber security?

Computer Network Defense professionals can potentially earn $500,000 annually with advanced experience, specialized skills, and leadership roles such as security managers or consultants. Achieving this level often requires certifications like CISSP, extensive expertise, and working in high-demand or executive positions. Most cybersecurity roles have salaries below this threshold, but top-tier experts in certain sectors can reach or exceed this income level.
What are popular job titles related to Computer Network Defense jobs in California? For Computer Network Defense jobs in California, the most frequently searched job titles are:
What job categories do people searching Computer Network Defense jobs in California look for? The top searched job categories for Computer Network Defense jobs in California are:
Computer Network Defense jobs near you
Infographic showing various Computer Network Defense job openings in California as of June 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 90% Full Time, 1% Part Time, 6% Contract, and 1% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $100,039 per year, or $48.1 per hour.

Network and Systems Engineer with Security Clearance

Cornerstone Defense

Sunnyvale, CA

$120K - $150K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

Title: Network and Systems Engineer Location: Sunnyvale, CA Security Clearance: Secret Required Salary: $120k - $150k Work Schedule: Onsite | 9/80 work schedule | Department-wide team Fridays with social events Contract Duration: 6+ months, with potential extensions tied to R&D contract awards Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.

Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Position Overview: We are seeking a Network and Systems Engineer to design, implement, secure, and maintain critical network infrastructure.

The ideal candidate will have a strong foundation in networking and systems engineering, with the ability to troubleshoot complex issues, collaborate across teams, and deliver innovative solutions to meet mission needs. Responsibilities: * Design & Implementation: Plan, design, implement, and maintain computer networks, including local area networks (LANs), wide area networks (WANs), and Internet connectivity. * Network Devices: Configure and manage routers, switches, firewalls, and other core network devices.

* Network Security: Implement and monitor firewalls, intrusion detection/prevention systems, and other security controls to protect against unauthorized access and malicious activity. * Troubleshooting & Maintenance: Diagnose and resolve network issues, perform preventive maintenance, and ensure network performance, reliability, and efficiency. * Collaboration & Communication: Partner with IT, systems, and cybersecurity teams to ensure network infrastructure aligns with organizational needs.

Communicate complex technical information to non-technical stakeholders clearly and effectively. * Continuous Improvement: Stay current with emerging network technologies, standards, and best practices; recommend and apply improvements to infrastructure and services. Required Qualifications * Education & Experience: * Master's degree with 3+ years of relevant experience, or * Bachelor's degree with 5+ years of relevant experience, or * Equivalent combination of education and experience.

* Strong background in LAN/WAN design, routing, and switching. * Hands-on experience configuring and managing firewalls and intrusion detection systems. * Proficiency with troubleshooting network connectivity, performance, and security issues.

* Knowledge of current network security standards and best practices. * Excellent collaboration and communication skills. Preferred Qualifications: * Ability to apply principles, theories, and concepts to solve complex technical problems with innovative solutions.

* Demonstrated ability to work under general direction and deliver results that meet objectives. * Experience working with internal and external customers, providing technical solutions to challenging issues. Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.

These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

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