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Information Security Engineer
Reston, Virginia, United States
$100k-$110k/yr HybridFull Time
3+ YOEBachelor's in cybersecurity or related, 3+ years in information security or security operations, experience with XDR/EDR, Entra ID, cloud platforms, incident investigation, scripting and automation.
Microsoft XDR, CrowdStrike Falcon, Microsoft Entra ID, AWS, Microsoft Azure, Google Cloud Platform (GCP), PowerShell, Python, Kusto Query Language (KQL), Splunk Processing Language (SPL), Microsoft Graph API, REST APIs, OpenCode, Claude, Gemini, GitHub Copilot, ChatGPT
2w
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Senior Information Systems Engineer
Chantilly or Quantico or Washington
OnsiteFull Time
Requires extensive information security engineering experience (6+ years typical), relevant security certifications (e.g., CISSP, CASP, CISM), familiarity with Tenable Nessus, IBM Guardium, NMAP, NIST RMF, and active Top Secret clearance with SCI eligibility.
Tenable Nessus, Security Center, IBM Guardium, HP WebInspect, Network Mapper (NMAP)
1mo
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Senior Principal Information Engineer
Reston, Virginia, United States
RemoteFull Time
10+ YOEExpertise in Identity and Access Management (IAM), directory services, authentication, vault/secrets management, cloud identity integration, PKI, compliance with CMMC and NIST; bachelor's in CS/InfoSec or equivalent and 10+ years enterprise IT/InfoSec experience; U.S. citizenship required.
CyberArk, LDAP, SAML, PKI, ITSM, Microsoft 365, Microsoft Azure Gov, PIM, PAM, PUM
1w
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Information Security Engineer
Herndon, Virginia, United States
OnsiteFull Time
5+ YOE5+ years securing cloud architectures and implementing technical controls across cloud, identity, PKI, and application environments; experience with audits (SOC 2, ISO 27001), DevSecOps, and working with engineering teams.
Jira, Confluence, Active Directory, Entra ID/Azure AD, SAML, OIDC, MFA, PKI, TLS, VPN/IPSec, Java, APIs, OWASP SAMM, Microsoft Security Development Lifecycle, IBM Secure Engineering Framework, SOC 2, ISO/IEC 27001, CMMC, DLP, HIPS, HIDS
2mo
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Information Security Engineer
Arlington or Sterling
OnsiteFull Time
5+ YOEU.S. Citizenship; TS/SCI clearance; 5+ years info security; AWS security; SIEM; FedRAMP/NIST; cloud security; strong network and vulnerability know-how.
AWS EC2, AWS S3, AWS VPC, CloudTrail, CloudWatch, AWS Security Hub, Nmap, Nessus, Splunk, Linux/Unix, STIG, ATO, SOC, Vulnerability management, IAM, DevSecOps
3w
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Information Systems Security Engineer
Warrenton or Tampa or Fairfax or Colorado Springs
$110k-$170k/yr HybridFull Time
6+ YOEBachelor's in CS/IT/Cybersecurity, 6+ years in cybersecurity or information assurance, strong RMF/NIST 800-53 knowledge, hands-on ACAS/Nessus/SCC/Splunk experience, relevant certs (CISSP/CASP+/CEH/Security+), active Top-Secret/SCI clearance and US citizenship.
ACAS, Nessus, SCC, Splunk, Kubernetes, RMF, NIST 800-53, FISMA, CMMC, DCSA, IAVM
2w
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Information Systems Security Engineer
Chantilly or Springfield
OnsiteFull Time
4+ YOEActive TS/SCI with Polygraph; obtain DoD 8570 IAT-3 within 6 months; degree + experience combinations (BA+6, AS+8, HS+10, MS+4); experience in information systems security, certification & accreditation, virtualization (VMware, Xen, Hyper-V), OS hardening (Windows, Linux, MacOS); knowledge of NIST/ICD 503.
ICD 503, NIST SP 800-37, NIST SP 800-160, VMware, Xen, Hyper-V, Windows, Linux, MacOS, SCTM, Identity and Access Management (IAM)
1mo
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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
1w
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Mid Security Information Assurance Engineer
Denver or Springfield or Sterling or St. Louis
$63k-$130k/yr OnsiteFull Time
4+ YOETS/SCI clearance required, 4+ years security engineering or information assurance, experience with NIST RMF, STIG hardening, ACAS/Nessus, IAT Level II (DoD 8570/8140), ability to work onsite at government facilities.
STIG, ACAS, Nessus, Kubernetes, AWS, C2S, CI/CD, Electronic Medical Records (EMR)
3w
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Information Systems Security Engineer (ISSE)
Herndon or Bowie
$135k-$216k/yr OnsiteFull Time
10+ YOEU.S. citizenship and ability to obtain Public Trust; degree-plus-years combinations (Bachelor+12, Master+10, Associate+14, HS+16); expertise in information systems security, vulnerability assessment, continuous monitoring, risk management, and cloud/network security.
NIST SP 800-53, FISMA, RMF, DevSecOps, CI/CD, Zero Trust
3w
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Information Systems Security Engineer (ISSE)
Herndon or Bowie
$135k-$216k/yr OnsiteFull Time
10+ YOEU.S. citizen able to obtain/maintain Public Trust. Advanced information systems security engineering expertise, vulnerability assessment and continuous monitoring experience, strong risk management and secure configuration skills; degree plus 10–16 years of related experience depending on education.
DevSecOps, CI/CD, Zero Trust
2mo
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Information Assurance Engineer (Senior)
Haymarket, Virginia, United States
HybridFull Time
8+ YOE8–10 years DoD IA engineering; RMF/CCRI/eMASS expertise; DoD/NIST knowledge; US citizenship with clearance.
RMF, eMASS, CCRI, NIST SP 800-series
5d
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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)
1mo
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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 or cybersecurity engineering, IAM Level II, knowledge of RMF/NIST/ICD 503, experience across SDLC and A&A activities.
NIST SP 800-160, RMF, ICD 503, Cross Domain Solutions (CDS), ICS/SCADA, COTS, GOTS, Windows, Linux, Unix, macOS
2mo
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Information Systems Security Engineer
Philadelphia or Herndon or King of Prussia
$75k-$158k/yr OnsiteFull Time
5+ YOEBachelor's in CS/IT/Cybersecurity/Engineering; 5+ years in cybersecurity; TS/SCI with Polygraph; DoD 8570 IAT Level II; RMF/NIST 800-53/800-171; cloud security (AWS/Azure).
Nessus, Splunk, Anchore, Xacta, SNOW
2mo
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Cybersecurity / Information Security Engineer
Chantilly, Virginia, United States
OnsiteFull Time
6+ YOE6-10 years in ISSE/cybersecurity; TS/SCI with Polygraph; BS in technical field; Linux experience; scripting (bash/python); networking; Agile; NIST/CIS/DI SA standards; RMF and CVE management.
Linux, Bash, Python, AWS, Ansible, Terraform
1mo
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Information Systems Security Engineer
Herndon, Virginia, United States
OnsiteFull Time
8+ YOETS/SCI with CI Poly required; 8 years relevant experience and a bachelor\u0002s degree (or approved substitutions); ICD 503/IC A&A and RMF experience; compliance with DoD 8140/8570 training; required technical/security certifications or hands-on experience.
ICD 503, Assessment and Authorization (A&A), Risk Management Framework (RMF), NIST Special Publication 800-53, NIST Special Publication 800-37 Revision 1, NIST SP 800-39, NIST SP 800-30, CNSSI 1253, DoDIIS, DoD 8140, DoD Directive 8570.01-M
5d
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Information Security Systems Engineer
Herndon, Virginia, United States
$136k-$270k/yr OnsiteFull Time
5+ YOEActive Secret clearance,5+ years systems administration experience (Azure/virtualized environments),GPO/AppLocker/DLP,log monitoring,data visualization (Tableau/Power BI),familiarity with NIST 800-171/CMMC and federal security roles.
Microsoft Azure, Hyper-V, VMware ESXi, Citrix, GPO, AppLocker, DLP, Tableau, Microsoft Power BI, FSLogix
5d
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Information Security Systems Engineer
Herndon, Virginia, United States
$136k-$270k/yr OnsiteFull Time
5+ YOEActive Secret clearance,5+ years systems administration with Microsoft Azure/MSP or virtualization, GPO/AppLocker/DLP, log monitoring, cloud solutions, analytics (Tableau, Power BI), and bachelor's in info security or equivalent experience.
Microsoft Azure, Hyper-V, VMware ESXi, Citrix, GPO, AppLocker, DLP, Tableau, Microsoft Power BI, FSLogix
3mo
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Information Systems Security Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOEActive TS/SCI with Poly, 5+ years in information security, RMF/NIST 800-53, A&A documentation, Windows/Linux, vulnerability tools.
RMF, NIST 800-53, ACAS, Nessus, SIEM, firewalls, endpoint protection, Windows, Linux, encryption, identity management, access control
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