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Master Security

Washington,DC

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1886 Master Security jobs in Washington,DC

Featured Opportunity

Corporate Security Officer (FM)

Securitas - Mc Lean, VA

Securitas - Mc Lean, VA

Corporate Security Officer (FM)
$21/hr
~ 19 min OnsiteHealth InsurancePaid Time OffRetirement Benefit
New, Posted 1 day ago
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Multi-Site Security Officer

Securitas

Vienna, VA 22180

$21/hr
~ 25 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Growth opportunities within the company.
  • If not, we will provide you with the training and everything you need for a great introduction to a career in the security industry.
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Director of Safety and Security/Assistant Director of Facilities & Campus Opeartions

CONNEX

Bethesda, MD 20813

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Systems Engineer– Microsoft 365 Security&Compliance / Endpoint Security Engineer (GCC)

Leidos

Washington, DC 20020

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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Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON

Arlington, VA 22201

~ 12 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • 5+ years of experience with information assurance or cybersecurity
  • 3+ years of experience serving as an Information Systems Security Engineer (ISSE), Information Systems Security Officer (ISSO), or Governance, Risk, and Compliance specialist
  • Experience with the Cybersecurity Assessment and Authorization process to achieve Authority to Operate (ATO)
  • Experience utilizing the Enterprise Mission Assurance Support Service (eMASS) or Xacta
  • Experience reviewing vulnerability documentation and developing Plan of Action and Milestones (POA&M;) or courses of action to remediate findings
  • Knowledge of NIST SP 800-53 Rev 5 transition requirements and planning of implementation strategies
  • Ability to collaborate with program management office representatives such as ISSM, ISSE, assessors, systems architects, and systems engineering to manage accreditation
  • Top Secret clearance
  • Bachelor's degree
  • DoD 8140 Cybersecurity Certification such as Security+, CEH, or GCTI Certification
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New, Posted 17 hours ago
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Quality Assurance Specialist - Multiple Levels

Noblis

Washington, DC 20011

$240,350/yr
RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Proven experience in quality assurance, preferably within software and systems engineering environments.
  • Strong understanding of quality control principles, including ISO-9001 standards.
  • Experience with testing methodologies and tools, and familiarity with Agile Management environments such as Confluence and JIRA.
  • U.S. Citizen or Green Card Permanent Resident who has resided in the U.S. for 3+ years
  • Travel will vary per project. Must be able to travel as required by the project.
  • Successfully pass an FAA background investigation/verification and receive a successful final suitability determination.
  • Experience in software and hardware evaluation in a regulated environment.
  • Minimum of 15 years with Bachelor of Science degree in Computer Science, Electrical Engineering or Information Systems or related field is required.
  • 5 years of relevant experience may be substituted for the bachelor's degree.
  • Minimum of 10 years with Bachelor of Science degree in Computer Science, Electrical Engineering or Information Systems or related field is required.
  • Minimum of 2 years with Bachelor of Science degree in Computer Science, Electrical Engineering or Information Systems or related field is required.
  • Master's degree or MBA in related field may be substituted for Bachelor's degree and 3 years' experience.
  • PhD in related field may be substituted for bachelor's degree and 7 years' experience.
SmartExplore AI is experimental.
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Entry-Level Border Patrol Agent – $20,000 Sign-On Bonus

U.S. Customs and Border Protection

Mc Lean, VA 22101

$49,739-$89,518/yr
$20,000 bonus
Bilingual Preferred
New, Posted 1 day ago
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Weapons System Engineer

Johns Hopkins Hospital

Laurel, MD 20707

$85,000/yr
~ 29 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Have a B.S. degree in Operations Research/Applied Mathematics, Engineering, Physical Science or related field
  • Have 1+ years of professional experience related to weapon system development
  • Have experience in early concept development, performance analysis, systems integration, or requirements engineering activities for complex systems
  • Have experience developing and customizing system modeling using UML/SysML and associated software
  • Have strong interpersonal and verbal/written communication skills and ability to interact with sponsor representatives
  • Have experience in system engineering principles and practices
  • Are willing and able to travel periodically to Government and contractor sites within the continental U.S.
  • Are able to obtain an Interim Secret level security clearance by your start date
  • And can ultimately obtain a Top Secret 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
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New, Posted 1 day ago
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Master Electrician

Amentum

Washington, DC 20037

OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Valid Master Electrician License in MD or DC.
  • Active Secret Clearance
  • A minimum of 5 years of professional experience in electrical systems installation, maintenance, and repair.
  • Strong knowledge of federal, local, and industry electrical codes, including NEC and NFPA standards.
  • Experience overseeing electrical teams and managing project workflows.
  • Ability to interpret technical drawings, schematics, and specifications.
  • Strong troubleshooting and problem-solving abilities.
SmartExplore AI is experimental.
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Entry-Level Border Patrol Agent – $20,000 Sign-On Bonus

U.S. Customs and Border Protection

Annandale, VA 22003

$49,739-$89,518/yr
$20,000 bonus
Bilingual Preferred

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Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

New, Posted 17 hours ago
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Quality Assurance Specialist - Multiple Levels

Noblis

Arlington, VA 22204

$240,350/yr
RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Proven experience in quality assurance, preferably within software and systems engineering environments.
  • Strong understanding of quality control principles, including ISO-9001 standards.
  • Experience with testing methodologies and tools, and familiarity with Agile Management environments such as Confluence and JIRA.
  • U.S. Citizen or Green Card Permanent Resident who has resided in the U.S. for 3+ years
  • Travel will vary per project. Must be able to travel as required by the project.
  • Successfully pass an FAA background investigation/verification and receive a successful final suitability determination.
  • Experience in software and hardware evaluation in a regulated environment.
  • Minimum of 15 years with Bachelor of Science degree in Computer Science, Electrical Engineering or Information Systems or related field is required.
  • 5 years of relevant experience may be substituted for the bachelor's degree.
  • Minimum of 10 years with Bachelor of Science degree in Computer Science, Electrical Engineering or Information Systems or related field is required.
  • Minimum of 2 years with Bachelor of Science degree in Computer Science, Electrical Engineering or Information Systems or related field is required.
  • Master's degree or MBA in related field may be substituted for Bachelor's degree and 3 years' experience.
  • PhD in related field may be substituted for bachelor's degree and 7 years' experience.
SmartExplore AI is experimental.
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