55 network security analyst jobs at 26 companies in Dahlgren, VA

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Network Security Analyst
Chantilly, Virginia, United States
$94k-$198k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOETS/SCI with polygraph, bachelor’s in technical discipline, 5+ years relevant experience, TCP/IP/network analysis, scripting (python, bash), Windows/Linux command-line, REGEX, strong analytic and communication skills.
TCP/IP, Python, Bash, PowerShell, Windows, Linux, REGEX
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Network Security Analyst
Chantilly, Virginia, United States
$94k-$198k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's in CS/CE, active TS/SCI with polygraph, 5+ years technical experience, TCP/IP and routing knowledge, network analysis, scripting (Python, bash), Windows/Linux command line, REGEX, link analysis and data integration tools, strong communication and analytic skills.
TCP/IP, Python, bash, Microsoft PowerShell, Windows, Linux, REGEX, link analysis, data integration
2w
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Network/Cyber Security Analyst Associate
Manassas, Virginia, United States
$71k-$95k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
1+ YOETS clearance and U.S. citizenship required, 1+ years related experience, familiarity with SIEM/IDS/vulnerability scanning, pursuing cybersecurity certification (e.g., CompTIA Security+, CISSP, CEH).
SIEM, IDS, Vulnerability Scanning, Indicators of Compromise (IOC)
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Data Analyst (Network Security)
Washington or Atlantic City or United States
$59k-$112k/yr HybridFull Time
Noblis
Noblis: Provides science and technology solutions for government missions.
0+ YOEBachelor's in a technical field,0–5 years cybersecurity/network or technical data analysis experience, scripting (Python/PowerShell/Bash), advanced Excel, networking knowledge, U.S. residency/citizenship, ability to obtain FAA Public Trust.
Python, PowerShell, Bash, Microsoft Excel, Power BI, Tableau, Splunk, ELK
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Security Analyst III
Reston, Virginia, United States
$41-$53/hr HybridFull Time
Bowman
BowmanNASDAQ: BWMN: Provides engineering, surveying, and infrastructure management services.
5+ YOEBachelor's or equivalent experience,5+ years cybersecurity experience,incident investigation and IR skills,knowledge of Windows/Linux/macOS,networking,cloud security;preferred certifications Security+,CySA+,CISSP,GIAC.
CrowdStrike, Microsoft Defender, Microsoft Sentinel, SIEM, EDR
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Security Analyst Investigator
Bellevue or Menlo Park or Washington
$137k-$196k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
5+ YOE5+ years performing security investigations; subject matter expertise in child safety laws/policies; experience with OSINT, SQL, and network security concepts; proven ability to develop multi-source, evidence-based findings and communicate to diverse audiences.
SQL, OSINT, Jupyter Notebook, Maltego, Palantir
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Data Analyst (Network Security)
Washington or United States or Atlantic City
$59k-$112k/yr HybridFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
0+ YOEBachelor's in a technical field, 0–5 years cybersecurity/network or data analysis experience, strong data analysis and scripting (Python/PowerShell/Bash), advanced Microsoft Excel, and ability to obtain FAA Public Trust.
Python, PowerShell, Bash, Microsoft Excel, Power Query, Power BI, Tableau, Splunk, ELK, NIST RMF, FISMA, NIST SP 800-53 Rev. 5, Zero Trust Architecture (ZTA)
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Digital Network Exploitation Analyst (DNEA) - Chantilly, VA
Chantilly or Fairfax or Aurora
$120k-$175k/yr OnsiteFull Time
ICR
ICR: Independent contractor delivering intelligence and defense analysis services.
10+ YOETop Secret with SCI eligibility and Polygraph; 10 yrs experience (no degree) or degrees with required years; network routing and security expertise; tools for signals analysis and exploitation.
Routing, Network Infrastructure, Vulnerability Analysis, Signals Analysis, Exploitation, Python, C++, Penetration Testing Tools
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Digital Network Exploitation Analyst (DNEA)
Annapolis Junction or Dayton or Honolulu or San Antonio or Bluffdale
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
2+ YOEExperience in computer/information systems design or analysis; knowledge of OSI and cybersecurity; cyber operations support; degree in Computer Science; multiple experience levels with escalating requirements.
Security+, Network+, CEH, JCAC
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Security Analyst - Tier 3
Washington, District of Columbia, United States
RemoteFull Time
Seven AI: Provides autonomous AI agents for enterprise security operations.
5+ YOE5+ years in security operations, hands-on alert investigation across endpoint/network/identity/cloud, SIEM/XDR experience, data querying (SPL,KQL,FQL,SQL), malware analysis, MITRE ATT&CK knowledge, and mentoring skills.
XDR, SIEM, IDS/IPS, IDP, MITRE ATT&CK, SPL, KQL, FQL, SQL
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Security Analyst - MFS
Washington, District of Columbia, United States
OnsiteFull Time
Federal Reserve Board of Governors
Federal Reserve Board of Governors: The central bank of the United States.
5+ YOEBachelor's or equivalent, 5+ years experience (3+ with access control), expertise with PACS/IDS/CCTV, networking, SQL/PowerShell, ability to obtain Top Secret (SSBI), strong analytical and communication skills.
Physical Access Control System (PACS), Intrusion Detection Systems (IDS), CCure 9000, Genetec Video Surveillance, TCP/IP, Power over Ethernet, Wiegand Protocol, Open Supervised Device Protocol, iStar Panel, Active Directory (AD), Enterprise Resource Planning (ERP), SQL, PowerShell, Microsoft Office, Adobe, Blue Beam
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Cyber Security Analyst I
Reston, Virginia, United States
$80k-$90k/yr OnsiteFull Time
Akima
Akima: Provider of mission-focused technical and administrative support for government agencies.
5+ YOEMinimum 5 years IR/SOC experience in Windows and Linux, strong network and log analysis, incident response, threat hunting, scripting (Python/PowerShell/Bash), and relevant security certifications.
SIEM, EDR/XDR, Wireshark, Sysinternals, Python, PowerShell, Bash, SOAR, VMware, Azure, AWS, Oracle
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Cyber Security Analyst I
Reston, Virginia, United States
$80k-$90k/yr OnsiteFull Time
Akima
Akima: Delivers mission-critical services and technology to federal agencies.
5+ YOE5+ years SOC/incident response experience in Windows and Linux; SIEM/EDR operation, threat hunting, network forensics, malware analysis, cloud and identity security; scripting with Python/PowerShell/Bash.
SIEM, EDR/XDR, SOAR, Python, PowerShell, Bash, Wireshark, Sysinternals, VMware, Azure
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T1 Cyber Network Defense Analyst – Shift (w/ active TS)
Washington, District of Columbia, United States
$58k-$74k/yr HybridFull Time
Critical Solutions
Critical Solutions: Provides cybersecurity and network engineering services to federal agencies.
2+ YOEActive DoD Top Secret/SCI clearance, 2+ years IT experience, bachelor’s in related field, SOC familiarity, network and Unix/Linux admin, packet analysis, and one of A+ CE/CCNA-Security/CND/Network+ CE/SSCP/Security+/CySA+.
SIEM, Wireshark, Python, Powershell, Javascript, VBS
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Senior Information Security Risk Analyst
Washington, District of Columbia, United States
$103k-$191k/yr HybridFull Time
Warner Bros. Discovery
Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.
3+ YOEBS/BA required, 3+ years information security experience with at least 1 year in third‑party risk management; knowledge of network, access control and encryption; strong communication and analytical skills.
4w
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Senior Cyber Security Analyst
Washington, District of Columbia, United States
$54-$60/hr HybridFull Time
Crowned Grace International
Crowned Grace International: Provides federal government contracting and management consulting services.
7+ YOE7+ years cybersecurity experience, BS in CS/IT/cybersecurity (or equivalent), CISSP required, hands-on incident response, SIEM/EDR/IDS/IPS, vulnerability management, AD/Azure identity, networking, and strong communication.
SIEM, EDR, IDS/IPS, Cisco ISE, Catalyst Center, Checkpoint, IPSEC, SSL VPN, RADIUS, TACACS+, Active Directory, Azure Entra ID, Microsoft Azure, VMware vSphere, Windows Server, Docker, Kubernetes, Oracle, MS SQL, Oracle ERP, SAP ISU, IBM Maximo, ESRI GIS, SharePoint, .NET, C#, Python, Java, Modicon PLC, PowerShell
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Cyber Security, Cyber Operations, and Threat Analyst 2026
Bethesda, Maryland, United States
$68k-$120k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Provides aerospace, defense, and security products and technology services.
Solves complex problems in network defense, incident response, insider threat, and forensics. DoD experience and active US government security clearance preferred; strong analytical and communications skills required.
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Systems Administrator and Security Analyst
Fort Belvoir, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years Linux systems engineering/administration with RHEL 8/9, shell scripting, virtualization, containerization, monitoring/security tools (ACAS, SCAP, STIG Viewer, Nessus), RMF compliance, networking knowledge, Secret clearance, HS diploma/GED.
Red Hat Enterprise Linux (RHEL), RHEL 8, RHEL 9, ACAS Security Center, Evaluate STIG, SCAP, STIG Viewer, Nessus Scanner, VMware, Hypervisor, KVM, Docker, Podman, Kubernetes, Risk Management Framework (RMF), CI/CD pipelines
2w
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Cyber Network Defense Analyst (CNDA) IV – Cloud Forensics
Arlington, Virginia, United States
$130k-$160k/yr HybridFull Time
Argo Cyber Systems
Argo Cyber Systems: Provides managed cybersecurity and incident response services to organizations.
8+ YOEU.S. citizen with active TS/SCI, 8+ years DFIR experience, cloud forensics and identity security expertise, proficiency with M365/Azure AD, AWS IAM, cloud telemetry, evidence acquisition, and technical reporting.
Azure AD, Entra ID, M365, AWS IAM, GCP, Azure Activity Logs, AWS CloudTrail, GCP Logs, VPC Flow Logs, Microsoft Sentinel, Defender, AWS GuardDuty, GCP Chronicle, PowerShell, Python, Bash, JavaScript, Terraform, Kubernetes, Docker, CloudFormation, Azure Resource Manager, MITRE ATT&CK
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System Security Engineer (Engineering, Analyst)
Lexington Park or Patuxent River
$70k-$104k/yr OnsiteFull Time
The MIL Corporation
The MIL Corporation: Delivering IT, engineering, and financial solutions to government agencies.
3+ YOETop-Secret/SCI clearance required, BA/BS required, 3+ years systems engineering including systems security engineering, Program Protection Plan and aircraft network architecture experience, DoD acquisition lifecycle knowledge.