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Computer Network Defense Jobs in Virginia (NOW HIRING)

Implement a Computer Network Defense (CND) team to respond to computer security incidents, Information Condition (INFOCON) level changes, and Classified Message Incidents (CMIs) * Work with entities ...

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 ...

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 ...

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 ...

They are seeking an Incident Manager II to support government clients by managing and mitigating Computer Network Defense incidents and applying cybersecurity concepts to protect IT networks.

Cyber Network Defense Analyst

Arlington, VA · On-site

$101K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Implement a Computer Network Defense (CND) team to respond to computer security incidents, Information Condition (INFOCON) level changes, and Classified Message Incidents (CMIs). * Work with entities ...

New

Cyber Network Forensic Analyst II

Sterling, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies; - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies; - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

Cyber Network Forensic Analyst IV

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

Cyber Network Forensic Analyst III

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

Cyber Network Forensic Analyst II

Sterling, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies; - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

Cyber Network Forensic Analyst IV

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

Cyber Network Forensic Analyst III

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Computer Network Defense guidance and reports on incident findings to appropriate constituencies - Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses ...

Showing results 21-40

Computer Network Defense information

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 the key skills and qualifications needed to thrive in computer network defense?

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 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 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 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:

Infographic showing various Computer Network Defense job openings in Virginia as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 2% Contract, and 1% Nights. Highlights an 76% Physical, 2% Hybrid, and 22% Remote job distribution.

Cyber Network Defense Analyst

Leidos

Arlington, VA • On-site

$57K - $104K/yr

Full-time

Posted 7 days ago


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

79th of 492 rated business services


Job description

Leidos has a career opportunity for a Cyber Network Defense Analyst to support the Air Force National Capital Region IT Services program.
The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and other locations, leased spaces, and alternate sites. The major support areas required are IT Operations and Maintenance; Plans, Projects, and Engineering (PP&E); and National Military Command Center (NMCC). The senior leaders and national defense missions that are supported require that the AFNCR operations never fail, resulting in a fast-paced, challenging, but also rewarding environment.
If this sounds like the kind of environment where you can thrive, keep reading!
Leidos Defense Group provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with "can't fail" missions. To explore and learn more, click here!
Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!
Position Summary:
Leidos is seeking a Cyber Network Defense Analyst to join our Cybersecurity Operations team supporting the AFNCR IT Services (AFNCRIT) program. The Cyber Network Defense Analyst located at The Pentagon will augment 844th Communications Group in implementing DoD, Air Force, and AFDW cybersecurity policies, programs and initiatives.
Primary Responsibilities:
  • Facilitate Assessment and Authorization efforts for AFDW enclaves.
  • Support the AFDW mission defense team (MDT) in performing DCO-IDM for AFDW portion of the AFIN.
  • Support the AFDW MDT in conducting active and passive DCO-IDM to monitor, audit, detect, report, analyze and mitigate threats to mission relevant and key terrain in cyberspace (MRT-C/KT-C) Support development and management of cybersecurity policy, programs and compliance.
  • Implement a Computer Network Defense (CND) team to respond to computer security incidents, Information Condition (INFOCON) level changes, and Classified Message Incidents (CMIs)
  • Work with entities for firewall rule changes and DLP waivers
  • 8140 compliance

Basic Qualifications:
  • Requires a Bachelor's degree and less than 2 years of prior relevant experience additional years of applicable experience will be accepted lieu of a degree.
  • Active DoD Secret clearance required.
  • CompTIA Security+ CE or higher DoD 8570 IAT Level II certification must meet 8140 ISSM role qualification.
  • ACAS and HBSS
  • STIG Viewer and STIG auditing
  • POA&Ms
  • Proficiency with Excel
  • Ability to brief status to high level Government leadership and stakeholders

Preferred Qualifications:
  • Experience supporting USAF, DISA, or other DoD mission systems.
  • Familiarity with eMASS, SCAP Compliance Checker (SCC), or HBSS.
  • Ability to adress and assess RMF Security Controls
  • Ability to communicate risk-based recommendations to both technical and non-technical stakeholders.
  • Understanding of automation tools/scripts (e.g., PowerShell, Nessus APIs) to support scan or report optimization.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
August 5, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $57,850.00 - $104,575.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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