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Security Engineer

Washington,DC

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2461 Security Engineer jobs in Washington,DC

New, Posted 21 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

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.
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New, Posted 19 hours ago
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Zero Trust Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON

Fort Belvoir, VA 22060

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • 6+ years of experience in an ISSE, ISSO, or IT role
  • Experience with ICAM principles and technologies, including multi-factor authentication, privileged access management, security operations, and security architecture leveraging ICAM solutions such as SailPoint, Radiant Logic, Ping Federate, Delinea, and Okta
  • Experience with administration and integration of directory services, including LDAP compliant directories such as Active Directory
  • Experience with SAML, OAuth 2.0, and OpenID Connect ( OIDC ) integrations and troubleshooting protocol exchanges
  • Experience with DoD architecture, strategic planning, concept of operations, performance attributes, system architecture and design, evolving met hodologies, and statutory and regulatory requirements
  • Knowledge of Zero T rus t principles and frameworks such as NIST 800-207
  • Ability to resolve complex identity and federation issues
  • TS/SCI clearance
  • Bachelor's degree
  • IASAE II Certification such as CASP+, CISSP, or CSSLP Certification
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AWS Cloud Security Engineer - Cleared

RightDirection Technology Solutions

Washington, DC 20011

New, Posted just now
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2026 PhD Graduate - Autonomous Systems Design Engineer: Controls, Navigation, Sensors, and Simulation

Johns Hopkins Hospital

Laurel, MD 20707

$105,000/yr
~ 29 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Are pursuing a PhD in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Software Engineering Systems Engineering, Physics, Mathematics, or Computer Science.
  • Proven internship experience or possess extensive classroom project work in a subject matter in any of the following areas: guidance, inertial navigation, modern/adaptive control, classical control, optimization; electromagnetic wave propagation, RF antennas, optics, signal and image processing, radar, programming/coding; dynamics, programming/coding, algorithms, optimization; hardware testing, embedded systems, sensor testing artificial intelligence and software development.
  • Are skilled in or have knowledge of coding practices in Matlab/Simulink, C++, Python, or other languages
  • Have a curiosity and appetite for exploring and solving hard problems.
  • Are able to obtain an Interim Secret security clearance by your start date and can ultimately obtain a Secret level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.
  • Have a minimum 3.0 GPA on a 4.0 scale. Note: When prompted to upload attachments, please include a copy of your college transcripts (unofficial transcripts are acceptable).
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Senior Security Engineer (Government)

At&t

Chantilly, VA 20151

$98,100-$220,000/yr
~ 37 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree and minimum 5 years of relevant experience in Security operations of systems supporting: Virtualization, Windows and Linux Computing solution engineering and architecture solutions
  • Experience with on-premise, cloud and hybrid-cloud based deployments.
  • US citizenship is required.
  • Active federal security clearance.
  • Top Secret/SCI with polygraph.
  • Required Clearance: Top Secret/SCI with polygraph. (#ts/sci) (#polygraph)
  • Strong written and verbal communication skills.
  • Demonstrated leader with team-oriented interpersonal skills; ability to effectively interface with a broad range of people and roles.
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Systems Engineer Senior I

Ultra Electronics Ocean Systems

Chantilly, VA 20151

~ 37 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Strong attention to detail and work ethic.
  • Knowledge of proper systems engineering discipline and rigor required for disciplined systems development.
  • Significant experience with Radar systems or similar signal processing systems.
  • Experience and knowledge of algorithms used for navigation, periscope detection, discrimination or other parts of traditional Radar signal processing.
  • Laboratory knowledge including setup and use of Linux-based system integration, test, and execution.
  • Experience planning, reviewing, and executing integration and test events for combined hardware and software systems
  • Ability to document and specify system and subsystem level requirements.
  • Experience working with a team to jointly develop a system during all phases of the development lifecycle.
  • Review/provide technical input and cost estimation support.
  • Provide systems engineering leadership to a small group of systems or mixed discipline engineers.
  • Willingness to travel (10%).
  • Candidates must be eligible to obtain the relevant security clearance required for the role, due to the nature of the programmes we deliver for our customers.
  • 6+ years with BS Degree in Systems/EE Engineering or related discipline
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(DoD SkillBridge), Specialist, Integration & Test Engineer

L3Harris Technologies

Herndon, VA 20192

~ 34 min OnsiteBilingual Preferred

  • BS/BA (or equivalent) in Optical, Electrical, Computer Engineering, Computer Science, Information Technology or related field, and minimum 6 years Software or systems experience or Graduate's degree and 4 years software or systems experience
  • In lieu of a degree, minimum of 10 years of prior military or related experience
  • TS/SCI W/ Poly Clearance is required
  • Long periods of travel is required
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New, Posted 21 hours ago
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Senior Navy Mechanical Engineer - Clearance Required

Cydecor

Arlington, VA 22204

~ 12 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's level degree in Mechanical Engineering
  • 10+ years of relevant experience
  • Interim or Active Secret clearance
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Senior Information Systems Security Engineer

GovCIO LLC

Alexandria, VA 22315

$165,000/yr
Hybrid~ 23 min

  • High School with 9+ years (or commensurate experience)
  • DoD 8570 IAT Level II or higher (e.g., Security+ CE, CySA+, etc)
  • Experience focused on cyber-risk reduction, vulnerability mitigation, and maintaining compliance frameworks.
  • Demonstrated technical experience performing continuous scanning, risk analysis, and endpoint patching workflows.
  • Working knowledge of risk reduction governance, baseline compliance frameworks, and security automation principles.
  • Ability to collaborate effectively with engineers to translate technical system configurations into risk reduction strategies.
  • Clearance Level: Must have an active Secret clearance
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