Top 389 Network Security Analyst Jobs in Fairfax, VA

Cyber Investigations Analyst - OTA / Active Top Secret
Peraton —Arlington, VA
- $80,000 - $128,000 a year
- Full-time
- Mid-level
- Analysis skills
- Bachelor's degree
- Health savings account
- Paid holidays
Senior Cybersecurity Analyst
JAB Innovative Solutions, LLC —Alexandria, VA
- $160,000 - $170,000 a year
- Full-time
- Hybrid work
- 7 years
- Bachelor's degree
- Continuous improvement
- Health savings account
- Health insurance
Quick Apply
SAP Application Security and GRC Analyst (Sr.) - U.S. Citizenship Required
CGI Group, Inc. —Fairfax, VA
- $89,600 - $194,000 a year
- Hybrid work
- Background check
- Microsoft Excel
- Management
- Paid parental leave
- Paid holidays
Cyber Threat Intelligence Analyst - AI Trainer
DataAnnotation —McLean, VA
- $50 - $100 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
- Flexible schedule
Quick Apply
8d
Vulnerability Management Analyst - AI Trainer
DataAnnotation —Manassas, VA
- $50 - $100 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
- Flexible schedule
Quick Apply
8d
Jr. Soc Analyst
DISRUPTIVE SOLUTIONS LLC —Vienna, VA
- Full-time
- Research
- Analysis skills
- Bachelor's degree
Quick Apply
Cyber Security Analyst I
Institute for Defense Analyses —Alexandria, VA
- $74,931 - $119,889 a year
- Email
- Computer science
- Computer Science
- Bachelor's degree
3d
Security Operations Center Analyst
Ardent —Washington, DC
- Remote
- Mid-level
- AWS
- Bachelor's degree
- Health insurance
- Tuition reimbursement
SOC Analyst (Security Monitoring)
RIVIDIUM —Alexandria, VA
- Weekends as needed
- Mid-level
- Bachelor's degree
- Experience equivalent to degree accepted
Security Analyst
Integral —McLean, VA
- Full-time
- Computer Science
- Research
- Mid-level
- Paid parental leave
- Paid holidays
Lead Systems Security Analyst
Govcio LLC —Arlington, VA
- $145,000 - $170,000 a year
- Full-time
- 5 years
- Senior level
- Leadership
12d
Classified Cybersecurity Analyst - Top Secret
Northrop Grumman —Dulles, VA
- $91,800 - $137,600 a year
- Overtime
- Research
- Mid-level
- Master's degree
- Paid holidays
- Disability insurance
4d
Security Operations Center Analyst I (SOC)
SecuriGence —Arlington, VA
- $52 - $57 an hour
- Full-time
- Pass drug screening
- Mid-level
- High school diploma or GED
Security Operations Center Analyst (SOC)
SecuriGence —Arlington, VA
- $52.00 - $67.30 an hour
- Full-time
- Pass drug screening
- Mid-level
- High school diploma or GED
Cybersecurity Analyst, IT Operations
Fors Marsh —Arlington, VA
- $110,000 - $125,000 a year
- Full-time
- Remote
- Background check
- 7 years
- Computer Science
- Disability insurance
- Dental insurance
Quick Apply
System Security Analyst
Strategic Innovation Group LLC —Arlington, VA
- $100,000 - $145,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- 11+ years
- Health savings account
- Disability insurance
Quick Apply
8d
Information System Security Compliance Analyst (Multiple Levels)
Noblis —Washington, DC
- $78,900 - $180,525 a year
- Full-time
- Remote
- 18 years or older
- Microsoft Excel
- 6 years
- Health insurance
- Tuition reimbursement
Cyber Security Analyst - Entry
Makoa —Arlington, VA
- Full-time
- Computer Science
- Bachelor of Science
- Mid-level
Quick Apply
Junior Cyber Incident Analyst - Notification Specialist
Peraton —Arlington, VA
- $80,000 - $128,000 a year
- 3 years
- Analysis skills
- Bachelor's degree
- Health savings account
- Paid holidays
Cybersecurity Analyst I
AMERICAN SYSTEMS —Manassas, VA
- $85,000 - $110,000 a year
- Full-time
- Azure
- Mid-level
- AWS
- Retirement plan

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Network Security Analyst jobs near Fairfax, VA

Cyber Investigations Analyst - OTA / Active Top Secret

Peraton -
Arlington, VA

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Job Details

Full-time
$80,000 - $128,000 a year

Benefits

Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Paid time off
Parental leave
Employee assistance program
Vision insurance
Life insurance

Qualifications

Content creation for technical audiences
Internal investigations
Investigative reports
Cybersecurity investigations

Full Job Description

About Peraton

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Program Overview

Encompasses technical, engineering, data analytics, cyber security, management, operational, logistical, and administrative support for Bureau of Diplomatic Security, Cyber and Technology Security Directorate in three key offices/functional areas: Cyber Monitoring and Operations, Cyber Threat and Investigations, and Technology Innovation and Engineering State.

About The Role

Peraton is looking for a Cyber Investigations Analyst to become part of our Federal Strategic Cyber Group.

Location: Rosslyn, VA; full-time, on-site role.

In this role, you will:

Support the Cyber Threat Investigations & Analysis Division (CTAD) in conducting end-to-end insider threat and cyber investigations leveraging User Activity Monitoring (UAM) tools and data.
Collect, analyze, and interpret log data to detect anomalous user behavior, policy violations, and potential insider threats across enterprise systems.
Develop and refine detection rules, alerts, and behavioral baselines to improve threat detection capabilities.
Conduct forensic analysis of user activity logs, endpoint telemetry, and network data to support investigations and produce actionable intelligence.
Communicate complex investigative findings to both technical and non-technical stakeholders, including senior management.
Collaborate with legal, HR, and security teams to ensure investigations are conducted in accordance with applicable laws, policies, and Department guidelines.
Author detailed investigation reports, bulletins, and advisories documenting findings.
Promote awareness of insider threat indicators and UAM best practices among customer stakeholders, coworkers, and Department users.
Respond to escalated security incidents and provide expert guidance on user activity-related threat vectors.
Conduct all aspects of case management for active inquiries to include case documentation, investigative records, digital artifacts, SharePoint repositories, and data storage management.
Provide guidance and mentorship to junior team members on investigative techniques and tool usage.
Stay current on emerging insider threat tactics, techniques, and procedures (TTPs) and incorporate findings into detection strategies.

Qualifications

Minimum requirements:

A Bachelor’s degree and 5 years of experience. An additional 4 years of experience may be substituted in lieu of the bachelors degree requirement.
Minimum of 2 years of experience in in cybersecurity, digital forensics, or cyber investigations.
Must either possess and maintain, or obtain prior to start date, one of the following professional certifications:
- CISSP-ISSAP; CISSP-ISSEP; CISSP; Security+ CE; CySA+; PPDA; Agile IC; SNOW App Dev

Experience conducting insider threat or cyber misconduct investigations in an enterprise environment.
Experience analyzing large datasets of user activity, log data, and endpoint telemetry.
Strong analytical, problem-solving, and decision-making skills to support complex, sensitive investigations.
Excellent written and verbal communication skills, including experience producing formal investigative reports.
Must possess strong time management skills and the ability to complete assigned tasks with minimal supervision.
U.S. citizenship required.
Active Top Secret security clearance.
- Ability to obtain a final Top Secret/SCI security clearance.

Desired:

Experience with insider threat programs and familiarity with the National Insider Threat Policy.
Familiarity with SIEM platforms (e.g., Splunk, Microsoft Sentinel) for correlating UAM data with broader security telemetry.
Experience with digital forensics tools (e.g., EnCase, FTK, Magnet AXIOM).
Knowledge of Active Directory and Azure AD for user account analysis.
Experience working in a government or federal law enforcement investigative environment.
Technical writing skills and experience producing materials for senior leadership audiences.
Familiarity with chain of custody procedures, and eDiscovery processes.
Experience with behavioral analytics platforms or UEBA (User and Entity Behavior Analytics) tools.

Details

Target Salary Range: $80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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Refine Your Search

Network Security Analyst jobs in Fairfax, VA

Cyber Investigations Analyst - OTA / Active Top Secret

Senior Cybersecurity Analyst

SAP Application Security and GRC Analyst (Sr.) - U.S. Citizenship Required

Cyber Threat Intelligence Analyst - AI Trainer

Vulnerability Management Analyst - AI Trainer

Jr. Soc Analyst

Cyber Security Analyst I

Security Operations Center Analyst

SOC Analyst (Security Monitoring)

Security Analyst

Lead Systems Security Analyst

Classified Cybersecurity Analyst - Top Secret

Security Operations Center Analyst I (SOC)

Security Operations Center Analyst (SOC)

Cybersecurity Analyst, IT Operations

System Security Analyst

Information System Security Compliance Analyst (Multiple Levels)

Cyber Security Analyst - Entry

Junior Cyber Incident Analyst - Notification Specialist

Cybersecurity Analyst I

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