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Computer Network Defense Jobs in California (NOW HIRING)

SAIC

Principal Network Engineer

San Diego, CA · On-site

$120K - $160K/yr

Description SAIC is seeking a Principal Network Engineer to support defense communication network ... Bachelors in Computer Science, Information Technology, Network Engineering, or related field and ...

Accelint

Network Engineer

San Diego, CA · On-site

Required : • Bachelor's degree in Computer Science, Information Technology, Information Systems ... defense and critical infrastructure. Founded in 2000, the company is headquartered in San Diego ...

Accelint

Network Engineer

San Diego, CA · On-site

Required : • Bachelor's degree in Computer Science, Information Technology, Information Systems ... defense and critical infrastructure. Founded in 2000, the company is headquartered in San Diego ...

Accelint

Network Engineer

San Diego, CA · On-site

Required : • Bachelor's degree in Computer Science, Information Technology, Information Systems ... defense and critical infrastructure. Founded in 2000, the company is headquartered in San Diego ...

Marvin Group

NETWORK ADMINISTRATOR II

Inglewood, CA

$75K - $86K/yr

... Marvin Group, a leading defense contractor, plays a crucial role in the development and ... Being on call to ensure that the network and computer systems are always functioning properly.

Marvin Group

NETWORK ADMINISTRATOR II

Inglewood, CA

$75K - $86K/yr

... Marvin Group, a leading defense contractor, plays a crucial role in the development and ... Being on call to ensure that the network and computer systems are always functioning properly.

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Computer Network Defense information

See California salary details

$31

$48

$61

How much do computer network defense jobs pay per hour?

As of Jul 18, 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.

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.

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.
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 July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, 1% Temporary, and 2% Contract. Highlights an 82% Physical, 1% Hybrid, and 17% Remote job distribution, with an average salary of $100,039 per year, or $48.1 per hour.
Principal Network Engineer

Principal Network Engineer

Science Applications International Corporation

San Diego, CA • On-site

Full-time

Posted 10 days ago

SAIC rating

7.9

Company rating: 7.9 out of 10

Based on 79 frontline employees who took The Breakroom Quiz

68th of 210 rated it services

Job description


SAIC is seeking a Principal Network Engineer to support defense communication network systems ON-SITE in San Diego, CA. Join our innovative team and contribute to mission-critical efforts in network design, integration, and security for cutting-edge DoD programs.
Your Role:
You'll leverage your expertise to advise the government and ensure the successful design, development, testing, and implementation of secure, high-performance network systems. You'll collaborate with cross-functional teams, coordinate with the team on technical tasks, and ensure network availability to support program testing and ensure the project stays on schedule.
JOB DUTIES:
  • Network Engineer serving as part of a team to maintain, trouble-shoot and update the network
  • Assist with day-to-day lab network operations. Running cable, network connectivity troubleshooting, and equipment configuration
  • Apply DoD accreditation processes, including DIACAP and RMF, to ensure system compliance and security
  • Implement and maintain network security in accordance with Security Technical Implementation Guides (STIGs) and NETSEC directives (IAVA, IAVM)
  • Troubleshoot and resolve technical issues during integration, implementation, and testing phases
  • Interface regularly with management, customers, and team members to ensure alignment and progress

Qualifications
REQUIREMENTS:
Education and Experience:
  • Bachelors in Computer Science, Information Technology, Network Engineering, or related field and nine (9) years or more experience; Masters and seven (7) years or more experience ; PhD or JD and four (4) years or more experience
  • Exceptional Communication and problem-solving skills
  • a demonstrated ability to learn and apply new technologies quickly

Clearance:
  • Must be a U. S. Citizen
  • Must have an Active Secret Clearance to start
  • Must be able to obtain a Top Secret clearance after start

Certification:
  • Must be able to obtain a Security + clearance within 6 months of hire

DESIRED SKILLS:
  • Cisco switch and router experience; CCNA certification is a plus
  • Familiarity with DoD accreditation processes (DIACAP and RMF)
  • Working knowledge of STIG implementation for network equipment lockdown
  • Experience maintaining networks in compliance with NETSEC directives
  • Proficiency with Microsoft Office Suite, including Visio, Project, Excel, Outlook, PowerPoint, and Word

About Us
SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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