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451 information system security engineer jobs at 200 companies in Washington, DC

2mo
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Information System Security Engineer
Annapolis Junction, Maryland, United States
$155k-$225k/yr OnsiteFull Time
LufCo
LufCo: Provides specialized engineering and analytic services for defense missions.
14+ YOE14 years of information security experience; TS/SCI with poly; CISSP; BS in Computer Science or related field; full-time.
Confluence, Security Engineering, IA Policy, Secure Networking
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1d
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Information System Security Engineer
Washington or Chantilly or Quantico or Huntsville
$92k-$154k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOEActive TS/SCI clearance, relevant security engineering certifications, knowledge of NIST RMF and ATO processes, 3+ years experience (varies by degree), familiarity with Tenable Nessus, IBM Guardium, HP WeblInspect, NMAP.
Tenable Nessus, Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), NIST Risk Management Framework (RMF)
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Information System Security Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
Orbis Operations
Orbis Operations: Defense and intelligence firm providing situational awareness and training.
Top Secret/SCI clearance with polygraph; DoD 8570 IAM Level I+; BS in CS/Information Assurance/ISSE; prior ISSE experience; RMF, DIACAP, NIST guidance.
PKI, RMF, DIACAP, NIST RMF, C&A, NSA/CSS guidance
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6d
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Information System Security Engineer III
Jessup, Maryland, United States
OnsiteFull Time
ClearEdge
ClearEdge: Provides software engineering and data analytics for defense agencies.
8+ YOEActive TS/SCI with Polygraph, bachelor\u0002s (or 4 years' experience) plus 8 years information systems experience, 5\u00028 years as ISSE/Cybersecurity Engineer, RMF/NIST SP 800-53 experience, vulnerability assessment and architecture review skills.
NIST SP 800-53, DoD RMF, CI/CD, DevSecOps, SAST, DAST, ICD 705
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Information System Security Engineer (ISSE)
Annapolis Junction, Maryland, United States
OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
8+ YOEBachelor’s degree with 8+ years of experience; RMF and system security engineering; NIST 800-53 Rev. 5; Defense-in-Depth; STE/STN; IAM Tier I; TS/SCI with Polygraph required.
RMF, NIST 800-53 Rev.5, Defense-in-Depth, STE, STN, Microsoft Office
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1d
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Information System Security Engineer
McLean, Virginia, United States
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOE8+ years in ISSO/ISSM/ISSE/SCA roles supporting classified programs, RMF experience, experience with SIPRNet/CWAN, active TS/SCI clearance, bachelor’s degree, and relevant security certifications.
EMASS, SNOW, Xacta, SPLUNK, Azure, AWS, SIPRNet, CWAN, CORA
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Information System Security Engineer
Chantilly, Virginia, United States
$150k-$180k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
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 Engineer
Chantilly, Virginia, United States
$150k-$180k/yr OnsiteFull Time
Markon
Markon: Provides professional services and management consulting for government agencies.
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
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3w
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Information System Security Engineer
Arlington, Virginia, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOEActive TS/SCI clearance, knowledge of DoD cybersecurity frameworks (NIST SP 800-53, RMF, STIGs), vulnerability assessment and incident response experience, 5+ years relevant experience or 4 years in lieu of degree.
ACAS, ESS, SIEM, Evaluate-STIG, STIG Viewer, RADIUS, NPS, ISE, ClearPass, 802.1X, Red Hat Enterprise Linux, Windows Server, PowerShell, Python, Active Directory, Group Policy, Microsoft Azure
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3w
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Information System Security Engineer
Arlington, Virginia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEActive TS/SCI clearance, US citizenship, bachelor\u0002s degree or 5+ years experience (4 years may substitute), 5+ years cybersecurity experience with DoD tools, RHEL/Windows Server, PowerShell/Python, AD/GPO, and relevant certifications.
ACAS, ESS, SIEM, Evaluate-STIG, STIG Viewer, RADIUS, NPS, ISE, ClearPass, 802.1X, Red Hat Enterprise Linux, Windows Server, PowerShell, Python, Active Directory, Group Policy, Microsoft Azure
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Information System Security Engineer
McLean or Arlington
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOERequires 8+ years supporting classified programs (ISSO/ISSM/ISSE/SCA), active TS/SCI, RMF experience (eMASS, Xacta, ServiceNow), Splunk, SIPRNet/CWAN experience, IAM Level III cert (CISSP/GSLC/CISM), and a bachelor’s degree.
RMF, JSIG, DAAG, ICD-503, eMASS, ServiceNow, Xacta, SIPRNet, CWAN, Splunk, Azure, AWS IL5, AWS IL6
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1w
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Cybersecurity Information System Security Engineer - Clearance Required
Fort Belvoir, Virginia, United States
$92k-$158k/yr OnsiteFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
5+ YOEActive Secret clearance, bachelor\u0002s degree in IT-related field, 5+ years system/security engineering for U.S. Government, RMF/eMASS experience, cloud security experience, and listed cybersecurity certs.
eMASS, Microsoft Azure, Amazon C2S, GovCloud, NIST SP 800-53, NIST SP 800-53A, DoD STIGs, FedRAMP, FISMA, CI/CD
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2w
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Information System Security Engineer (ISSE)
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
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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2w
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Information System Security Engineer (ISSE)
Annapolis Junction, Maryland, United States
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOEActive Top Secret/SCI clearance, DoD 8570/8140 IAT Level III, 8+ years experience (with BS) designing and implementing security architectures, vulnerability management, incident response, and compliance to NIST RMF/STIGs.
Tenable Nessus, ACAS, Qualys, Splunk Enterprise, PowerShell, Bash, Python, Trellix ePO, CyberArk, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux, Ubuntu Linux, Ansible, Kubernetes, AWS, Azure, NIST RMF, DoD STIGs, CIS benchmarks
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4d
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Information System Security Engineer (ISSE)
Lanham, Maryland, United States
$109k-$163k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
Top Secret/SCI clearance, DoD 8570.1-M/8140 IAT Level III certs, strong networking, cloud and DevSecOps skills, experience with Tenable, CyberArk, Splunk, VMware, scripting (PowerShell/Python/Bash/Ansible), and security architecture.
Tenable Nessus, ACAS, Qualys, Splunk Enterprise, PowerShell, Bash, Python, Trellix ePO, CyberArk, Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), Privileged Session Manager (PSM), VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux, Ubuntu Linux, Ansible, Kubernetes, AWS, Azure, NIST RMF, DoD STIGs, CIS benchmarks
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1w
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Information System Security Engineer (ISSE)
Chantilly, Virginia, United States
OnsiteFull Time
OMNI Consulting Solutions
OMNI Consulting Solutions: A boutique consulting firm providing technical cybersecurity and DoD-focused solutions.
10+ YOEActive TS/SCI clearance, U.S. citizenship, bachelor\u001fs degree in a technical field, 10+ years cybersecurity engineering experience, DoD 8570/8140 IAT Level III or equivalent certification (CISSP/CASP+), RMF/CNSSI 1253 experience.
RMF, CNSSI 1253, vulnerability scanners, SIEM, configuration management tools
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1w
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Information System Security Engineers
Annapolis Junction or Fort Meade
OnsiteFull Time
Artera Technologies
Artera Technologies: Provides software and systems engineering for the intelligence community.
14+ YOETS/SCI clearance with polygraph required; IASAE Level III required; 14 years IA systems architect/engineer experience (2 years risk assessment); Master's may substitute for 6 years.
Public Key Infrastructure (PKI)
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1w
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Cybersecurity Information System Security Engineer - Clearance Required
Fort Belvoir, Virginia, United States
$92k-$158k/yr OnsiteFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
5+ YOEActive Secret clearance, bachelor\u0002s in IT-related field, 5+ years system/security engineering in U.S. Government, RMF/eMASS and cloud (Azure, Amazon C2S/GovCloud) experience, RMF documentation, DoD/FedRAMP/FISMA knowledge, and listed certifications.
Azure, Amazon C2S, GovCloud, eMASS, NIST SP 800-53, NIST SP 800-53A, CI/CD, DevSecOps, FedRAMP, FISMA, DoD STIGs, SRGs
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2w
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Information System Security Engineer (ISSE) (2026-0170)
Chantilly, Virginia, United States
OnsiteFull Time
Acclaim Technical Services
Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.
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.
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5d
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Information System Security Officer
Washington, District of Columbia, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
9+ YOEBachelor's in CS/software engineering or equivalent,9+ years relevant experience (with Bachelor's),active Top Secret/SCI with CI Polygraph required,RMF/Xacta/STIG/ACAS experience,security assessments and risk management.
Xacta, Security Technical Implementation Guide (STIG), ACAS, Risk Management Framework (RMF), Security Test and Evaluation (ST&E)
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