303 information system security jobs at 118 companies in Winchester, VA
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Information System Security Engineer
Washington or Chantilly or Quantico or Huntsville
OnsiteFull Time
3+ YOEDesign and implement security architectures for IS and network environments, apply NIST RMF, use security tools, hold required certifications, possess multi-year experience per degree/experience table, and hold TS/SCI clearance.
Tenable Nessus, Security Center, IBM Guardium, HP WebInspect, Network Mapper (NMAP), NIST Risk Management Framework (RMF)
3d
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Information System Security Officer
Reston, Virginia, United States
OnsiteFull Time
9+ YOERequires active Top Secret/SCI clearance with CI polygraph, a bachelor's degree or equivalent experience, and 9+ years of relevant experience in information security, risk, vulnerabilities, compliance, and incident response.
Xacta, Risk Management Framework (RMF), System Security Plans (SSPs), Security Control Trace Matrices (SCTM), Security Test Plans (STPs), Plans of Action and Milestones (POAMs), Security Technical Implementation Guide (STIG), ACAS
1mo
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Information System Security Officer
Huntsville or Herndon or Tampa or Colorado Springs or Ogden or Omaha or San Antonio
$115k-$140k/yr HybridFull Time
4+ YOE4+ years IT security experience, background in secure software development, ability to author security documentation, experience with vulnerability assessments, and strong analytic and communication skills. Bachelor's in related field and IAT Level 2 (Sec+) required; US citizenship and active Secret clearance required.
3d
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Senior Information System Security Engineer
Chantilly, Virginia, United States
$140k-$160k/yr OnsiteFull Time
8+ YOEBachelor's degree in a related field, 8+ years of information assurance and security engineering experience, active TS/SCI with full-scope polygraph, C&A experience, NIST SP 800-37 or related framework experience, SSP development, and vulnerability scanning.
NIST SP 800-37, AWS, Azure, Google Cloud, DataBricks, GitLab, Jira, DevSecOps, System Security Plans (SSP)
2mo
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Information System Security Engineer
Chantilly, Virginia, United States
$150k-$180k/yr OnsiteFull Time
3+ YOEActive TS/SCI with CI poly preferred, Bachelor’s in a technical field, 3+ years ISSE/cybersecurity experience, IAM Level II, RMF/NIST knowledge, experience across system development lifecycle and multiple OS/cloud environments.
NIST SP 800-160, Risk Management Framework (RMF), NIST, FISMA, NRO RMF, ICD 503, Assessment & Authorization (A&A), System Security Plan (SSP), Security Assessment Report (SAR), Plans of Action and Milestones (POA&Ms), Cross Domain Solutions (CDS), Windows, Linux, Unix, macOS
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Information System Security Officer
Chantilly, Virginia, United States
$100k-$140k/yr OnsiteFull Time
1+ YOE1-3 years ISSO or system administration experience; cybersecurity assessments, accreditations, continuous monitoring; Linux knowledge; must be U.S. citizen with eligibility for TS/SCI and T5/T5R adjudication; must obtain DoD 8570 IAM Level 1.
Splunk, Nessus, SCC, DISA STIGs, Linux, Windows
2w
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Senior Information System Security Officer (ISSO)
Reston, Virginia, United States
$160k-$190k/yr OnsiteFull Time
5+ YOEActive TS/SCI with CI polygraph, 5+ years information assurance, RMF/ICD 503 experience, Xacta and STIG knowledge, vulnerability management, CompTIA Security+ or CISSP.
Xacta, Nessus Security Center, WebInspect, AppDetective, ACAS, Amazon Web Services (AWS), RMF, ICD 503, STIG
3d
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Information System Security Engineer (ISSE)
Huntsville or Chantilly
OnsiteFull Time
10+ YOERequires 10 years of security engineering experience, a bachelor's degree or 5 additional years, Top Secret clearance, polygraph eligibility, vulnerability scanning, NIST controls, cloud, and security tools experience.
Windows, Tenable.io, Nessus Pro, Nmap, Xacta, RiskVision, Security Content Automation Protocol (SCAP), Defense Information Systems Agency (DISA) Security Technical Implementation Guide (STIG), NIST SP 800-53, SPLUNK, AWS, Azure, AI, LLM, copilot, chatGPT, claude
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Information System Security Engineer (ISSE)
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOE5+ years ISSE experience supporting enterprise and cloud security, RMF/ICD 503 accreditation, SSP development, risk assessment, and continuous monitoring.
ICD 503 Rev. 4, Risk Management Framework (RMF), System Security Plan (SSP)
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Information System Security Engineer
Chantilly, Virginia, United States
$150k-$180k/yr OnsiteFull Time
3+ YOEActive TS/SCI with CI poly preferred, Bachelor’s in a technical field, 3+ years ISSE/cybersecurity experience, IAM Level II qualifying certification, RMF/NIST knowledge, and experience developing RMF/A&A artifacts.
NIST SP 800-160, RMF, ICD 503, CDS, Windows, Linux, Unix, macOS
3w
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Information System Security Officer
Reston, Virginia, United States
$200k-$220k/yr HybridFull Time
5+ YOEU.S. citizen with 5+ years ISSO experience, CISSP or CAP, RMF/NIST 800-53/FedRAMP knowledge, ability to obtain federal clearance, strong communication and RMF/ATO experience.
Risk Management Framework (RMF), NIST 800-53, FedRAMP, AWS, GRC
1mo
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Information System Security Officer (ISSO)
Dulles or Vienna
$142k-$174k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph, bachelor\u000degree (or equivalent experience) with 7+ years of relevant experience, RMF/NIST knowledge, security plan and accreditation experience, and ability to brief technical and non-technical audiences.
RMF, NIST
1d
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Information System Security Officer - Senior
Warrenton, Virginia, United States
$160k-$190k/yr OnsiteFull Time
8+ YOEBachelor's degree in an IT-related field, 8 years of relevant experience, active Top Secret/SCI clearance or ability to obtain SCI, Windows/Linux security experience, RMF expertise, and an approved IAT certification.
Microsoft Windows, Red Hat Enterprise Linux (RHEL), Active Directory, Group Policy, XACTA, ACAS, NESSUS, Trellix, Splunk, DISA STIGs, DISA Viewer, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft SharePoint, Microsoft Project, Microsoft Visio, ForeScout, Ivanti
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Information System Security Officer - ISSO
Herndon, Virginia, United States
$89k-$156k/yr OnsiteFull Time
6+ YOEActive Top Secret (SCI-eligible) clearance, bachelor’s degree typical, 6+ years IA experience, Security+ and DoD 8570 IAM Level I, experience with STIGs, SCAP, ACAS, Windows/Linux administration, Splunk and Nessus.
Splunk Enterprise, Nessus Vulnerability Assessment, Security Content Automation Protocol (SCAP), Security Technical Implementation Guide (STIG), STIG Viewer, Assured Compliance Assessment Solution (ACAS), Cisco IOS, Windows 11, Windows Server, RedHat Linux, VMware, HyperV, Active Directory, Windows Backup
3w
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Information System Security Officer (ISSO)
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI and U.S. citizenship, bachelor\u0002s in technical field or equivalent, 10+ years cybersecurity experience, DoD 8570/8140 IAT/IAM Level II cert (e.g., Security+, CySA+, CISSP-Associate), RMF knowledge.
eMASS, ACAS, HBSS, ESS, RMF
1w
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Information System Security Officer
Pearl Harbor or Honolulu or Reston or United States
$98k-$132k/yr OnsiteFull Time
6+ YOEActive Secret clearance, DoD 8140 DCWF 722 Intermediate compliance, bachelor's degree or listed certification, and six years of cybersecurity, information assurance, systems engineering, or RMF experience.
Risk Management Framework (RMF), eMASS, Enterprise Mission Assurance Support Service (eMASS), ACAS, Assured Compliance Assessment Solution (ACAS), STIG, Security Technical Implementation Guidelines (STIG), NIST Publication 800-53r5, JIRA, Confluence, Tenable Nessus, SCAP, Commercial Solution for Classified (CSfC), Cross Domain Solutions (CDS)
4w
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Information System Security Officer (ISSO)
Herndon, Virginia, United States
$113k-$165k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Top Secret clearance, willing to obtain CI Polygraph; bachelor’s or equivalent experience; 5 years relevant experience; RMF/DoD IA experience; UNIX/Linux and TCP/IP knowledge; strong communication skills.
UNIX, Linux, TCP/IP, Atlassian Jira, SharePoint
1w
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Information System Security Officer – Mid-Level (Government)
Chantilly, Virginia, United States
$98k-$115k/yr OnsiteFull Time
2+ YOERequires TS/SCI with polygraph, RMF experience, data transfer knowledge, qualifying education and experience, and one IAT II certification such as Security+, CCNA Security, CySA+, GICSP, GSEC, or SSCP.
RMF
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Information System Security Engineer (ISSE) (2026-0170)
Chantilly, Virginia, United States
OnsiteFull Time
8+ YOEDesign and embed security controls, conduct technical assessments, support A&A activities, maintain baselines and documentation; TS/SCI with polygraph and bachelor\u0002s degree plus 8 years required.
2w
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Senior Principal Information System Security Officer - Big Data
Herndon or Columbia
$100k-$270k/yr OnsiteFull Time
Expertise in data security, RMF/ATO, NIST 800-53, STIGs, vulnerability and compliance management, encryption/key management, policy development, and cloud/security architecture.
Cross Domain Solutions, CI/CD, eMASS, NIST 800-53, STIGs, ACAS, Tenable, KMS, HSM, Kubernetes, AWS GovCloud, APIs