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Security Engineer Cyber Security

Washington,DC

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778 Security Engineer Cyber Security jobs in Washington,DC

New, Posted 6 hours ago
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Software Development Engr III, Minimal Access Security Team (MAST)

Amazon.com Services LLC

Herndon, VA 20171

~ 34 min OnsiteUrgently HiringHealth InsurancePaid Time OffRetirement Benefit

  • 5+ years of non-internship professional software development experience
  • 5+ years of programming with at least one software programming language experience
  • 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
  • Experience as a mentor, tech lead or leading an engineering team
  • Bachelor's degree in computer science, engineering, analytics, mathematics, statistics, IT or equivalent, or 3+ years of distributed systems experience
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New, Posted 1 day ago
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Systems Engineer– Microsoft 365 Security&Compliance / Endpoint Security Engineer (GCC)

Leidos

Fort Belvoir, VA 22060

~ 27 min OnsitePaid Time OffRetirement Benefit

  • Expert-level Intune engineering across Windows/macOS/iOS/iPadOS.
  • Advanced PowerShell for remediation, automation, and OS image manipulation.
  • Deep experience with Microsoft Defender (XDR, Endpoint, Cloud Apps).
  • Hands-on with Sentinel SIEM, Function Apps, and cross-platform telemetry pipelines.
  • Strong understanding of CAP architecture and identity risk enforcement.
  • Experience with ATO control evidence, compliance mapping, and audit support.
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New, Posted 1 day ago
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Systems Engineer– Microsoft 365 Security&Compliance / Endpoint Security Engineer (GCC)

Leidos

Bowie, MD 20721

~ 27 min OnsitePaid Time OffRetirement Benefit

  • Expert-level Intune engineering across Windows/macOS/iOS/iPadOS.
  • Advanced PowerShell for remediation, automation, and OS image manipulation.
  • Deep experience with Microsoft Defender (XDR, Endpoint, Cloud Apps).
  • Hands-on with Sentinel SIEM, Function Apps, and cross-platform telemetry pipelines.
  • Strong understanding of CAP architecture and identity risk enforcement.
  • Experience with ATO control evidence, compliance mapping, and audit support.
SmartExplore AI is experimental.
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New, Posted 1 day ago
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Cyber Security Engineer - TS/SCI Clearance Required

Maximus

Fort Meade, MD 20755

OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Active TS/SCI clearance is required.
  • Bachelor's degree in Cyber Security, Information Technology, Computer Science, or related field.
  • Must be able to report on-site in Ft Meade, MD up to five days per week based on customer requirements.
  • IAT Level II certification required.
  • 5 years experience with DoD cybersecurity policies and frameworks (RMF, NIST, ISO 27001, CIS Controls, DISA STIGs).
  • 5 years experience with security technologies (firewalls, IDS/IPS, SIEM, endpoint protection).
  • 5 years experience securing network protocols, operating systems, and databases.
  • 5 years experience scripting for automation and reporting (Python, PowerShell, or Bash).
SmartExplore AI is experimental.
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Senior Specialist, Systems Engineering (Mission Protection) (TS/SCI w Poly)

L3Harris Technologies

Springfield, VA 22151

~ 20 min OnsiteUrgently HiringBilingual Preferred

  • Active Top Secret/SCI with CI Poly clearance required
  • Bachelor's degree and minimum 6 years of prior relevant experience
  • Graduate Degree and a minimum of 4 years of prior related experience
  • In lieu of a degree, minimum of 10 years of prior related experience
  • Experience with threat modeling, vulnerability analysis, and risk management
  • Experience working with or supporting a Weapons and Tactics (W&T) team, with familiarity in integrating protection strategies
  • Ability to obtain and maintain a crew operations certification
  • Must be able to work independently and collaboratively in classified operations centers, supporting 24/7 mission requirements when needed
  • Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens.
  • Applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information
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New, Posted 20 hours ago
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Cyber Intelligence Automation Engineer

BOOZ, ALLEN & HAMILTON

Arlington, VA 22201

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • 5+ years of experience in defensive cyber operations, cybersecurity engineering, or security platform architecture
  • 3+ years of experience designing security data pipelines such as collection, normalization, enrichment, and routing
  • 2+ years of experience with SIEM platforms such as Splunk ES, Elastic Security, Sentinel, or Chronicle
  • 2+ years of experience with SOAR platforms such as Swimlane, XSOAR, or Phantom
  • Experience with cyber threat intelligence platforms, including STIX or TAXII and commercial or open-source data feeds
  • Experience building detection engineering pipelines, threat hunting workflows, and automated response capabilities
  • Experience with EDR, NDR, or full-packet capture tools such as CrowdStrike, Corelight, or Trellix and deploying across cloud, on-prem, and disconnected environments such as Kubernetes and OpenShift
  • Knowledge of Zero Trust DoD IC frameworks and federal compliance
  • TS/SCI clearance
  • HS diploma or GED
  • Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information ; TS/SCI clearance is required
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Senior Network Architect/SME in Service Provider Backbone, Enterprise Level LAN/WAN, QoS and Traffic Engineering

GovCIO LLC

Bethesda, MD 20817

$149,027/yr
RemoteUrgently Hiring

  • Bachelor's with 12+ years (or commensurate experience)
  • CCIE Certification: Written and practical
  • Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center and Wireless
  • Clearance Required: Must be able to obtain and maintain a Public Trust clearance.
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New, Posted 1 day ago
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Cyber Security JOB Training Program

Year Up United

Washington, DC 20022

$525/wk
OnsiteUrgently Hiring

  • A high school graduate or GED recipient
  • Eligible to work in the U. S.
  • Available Monday-Friday throughout the duration of the program
  • Have not obtained a Bachelorʼs degree
SmartExplore AI is experimental.
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New, Posted 1 day ago
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Cyber Security Engineer

Maximus

Fort Meade, MD 20755

OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Active TS/SCI clearance is required.
  • Bachelor's degree in Cyber Security, Information Technology, Computer Science, or related field.
  • Must be able to report on-site in Ft Meade, MD up to five days per week based on customer requirements.
  • IAT Level II certification required.
  • 5 years experience with DoD cybersecurity policies and frameworks (RMF, NIST, ISO 27001, CIS Controls, DISA STIGs).
  • 5 years experience with security technologies (firewalls, IDS/IPS, SIEM, endpoint protection).
  • 5 years experience securing network protocols, operating systems, and databases.
  • 5 years experience scripting for automation and reporting (Python, PowerShell, or Bash).
SmartExplore AI is experimental.
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Lead, Software Engineer

L3Harris Technologies

Chantilly, VA 20151

~ 37 min OnsiteUrgently HiringBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, Information Systems, or a related discipline with a minimum of 9 years of relevant experience
  • Alternatively, a Graduate Degree with a minimum of 7 years of related experience
  • Or, in lieu of a degree, a minimum of 13 years of related experience
  • Active Top Secret Security Clearance
  • Please be aware many of our positions require the ability to obtain a security clearance
  • Security clearances may only be granted to U.S. citizens
  • Must meet eligibility requirements for access to classified information
SmartExplore AI is experimental.
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