ZipRecruiter

Log In

1

Computer Network Defense Jobs in Virginia (NOW HIRING)

ARSIEM

Network Based Systems Analyst IV

Arlington, VA · On-site

Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies * Collects network intrusion artifacts (e.g., PCAP, domains ...

ARSIEM

Network Based Systems Analyst II

Arlington, VA · On-site

Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies * Collects network intrusion artifacts (e.g., PCAP, domains ...

Apply Early

next page

Showing results 1-20

All JobsComputer Network Defense JobsComputer Network Defense Jobs in Virginia

Computer Network Defense information

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 Virginia? For Computer Network Defense jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Computer Network Defense jobs in Virginia look for? The top searched job categories for Computer Network Defense jobs in Virginia are:
Computer Network Defense jobs near you
Infographic showing various Computer Network Defense job openings in Virginia as of June 2026, with employment types broken down into 1% Locum Tenens, 2% As Needed, 75% Full Time, 2% Part Time, 18% Contract, and 2% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.
Computer Network Defense Analyst (EAIRS)

Computer Network Defense Analyst (EAIRS)

Horizon Industries, Limited

Fort Belvoir, VA • On-site

Full-time

Posted 10 days ago

Job description

Job Summary:
Horizon Industries Limited is a dynamic IT and Management Consulting firm based in the Washington, DC area. They are seeking a Computer Network Defense Analyst to monitor and respond to cybersecurity threats, protect enterprise networks, and provide technical analysis and support for cybersecurity tools and applications.
Responsibilities:
• Participates in 24x7x365 monitoring DLA's SIEM and other cybersecurity monitoring tools in an effort to detect and respond to cybersecurity threats within DLA's Enterprise Network Environment.
• Performs actions to protect, monitor, detect, analyze, and respond to unauthorized activity.
• Employs Cybersecurity capabilities and deliberate actions to respond to specific alerts or emerging threats.
• Reviews logged events for trends that are indicative of attack or compromise within the environment.
• Actively monitors logs and traffic for Advanced Persistent Threats (APT) and "low and slow" attacks within the environment.
• Maintains awareness of possible threats through the use of intelligence resources to include Open-Source Intelligence (OSINT).
• Provides technical analysis and sustainment support for the enterprise for IA tools and applications and assists with the application of Defense-In-Depth signatures and perimeter defense controls to diminish network threats.
Qualifications:
Required:
• 5 years relevant Cybersecurity/IT experience
• IAT II: One of the following: CCNA-Security; CySA+; GICSP; GSEC; Security+ CE; CND; SSCP
• CNDSP/CSSP-IR
• Must have one of the 'Computer Network Defense' CE Certifications within six (6) months of onboarding.
• Active Top Secret
• On Site: Columbus, OH; Fort Belvoir, VA; Battle Creek, MI
• Five (5) years of relevant IT experience.
• Two (2) years performing root cause analysis of cybersecurity events and incidents
• Working knowledge of at least at least two types of security tools: Firewall, IDS/IPS, Host based antivirus, Data loss prevention, Vulnerability Management, Forensics, Malware Analysis, Device Hardening
• Understanding of Defense-in-Depth
• Ability to build scripts and tools to enhance threat detection and incident response capabilities (Preferably in SPL, Python, PowerShell)
• Must possess a DOD Top Secret Clearance.
• Must possess a relevant certification meeting the DOD 8570.01 IAT level II. One of the following: CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP
• Must maintain CNDSP/CSSP-IR
• Must have one of the 'Computer Network Defense' CE Certifications within six (6) months of onboarding.
Company:
Horizon Industries is an information technology company offering IT and management consultancy services. Founded in 1996, the company is headquartered in Vienna, USA, with a team of 201-500 employees. The company is currently Growth Stage.

Apply