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Cyber Security Engineer - Careers at Leidos

Leidos

Cyber Security Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos' Elite Cyber Security Team in Bethesda, MD

Leidos seeks a Cyber Security Engineer to drive the DOMEX Technology Platform (DTP) for the OSINT Integration Center (OSIC). Deliver technical security expertise across cloud and on-premises infrastructure, leveraging industry best practices to safeguard mission-critical systems. Collaborate with ISSOs, ISSMs, engineers, and government stakeholders to achieve regulatory compliance under NIST, CNSS, and DoD frameworks.

Core Responsibilities

  • Analyze cybersecurity event logs and perform technical assessments
  • Execute ACAS vulnerability scans, IAVM tracking, and POA&M reporting
  • Maintain ATO in XACTA and review C&A documentation
  • Partner with DevOpsSec for scan remediation and vulnerability mitigation
  • Manage security audit tools for testing, audits, and incident response

Required Qualifications

  • BS + 8+ years or equivalent experience
  • TS/SCI with Poly eligibility
  • DoD 8570 IAT II+ certification (Security+, CySA+, CISSP)
  • Expertise in NIST SP 800-53/37/30, CNSSI 1253, security plans
  • Proven vulnerability scan analysis and SSE processes

Preferred Skills

  • Python, Java, React coding
  • DevOpsSec pipelines and database systems

Work primarily on-site in Bethesda, MD, with flexible scheduling and occasional remote tasks. Accelerate your career with Leidos' innovative, collaborative team.

Locations

  • Bethesda, Maryland, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Vulnerability scanning with ACASintermediate
  • XACTA and eMASS managementintermediate
  • NIST SP 800-series complianceintermediate
  • CNSSI 1253 implementationintermediate
  • Incident response and POA&M managementintermediate
  • DevOpsSec pipeline integrationintermediate
  • Python/Java/React developmentintermediate
  • System security engineering (SSE)intermediate

Required Qualifications

  • BS degree + 8+ years experience or equivalent (experience)
  • Active TS/SCI clearance with Poly eligibility (experience)
  • DoD 8570.01-M IAT Level II+ (Security+, CySA+, CISSP) (experience)
  • 1+ year developing security plans (CONOPS, SSP, risk assessments) (experience)
  • Experience configuring/analyzing vulnerability scans (experience)
  • Strong analytical/communication/problem-solving skills (experience)

Responsibilities

  • Review cybersecurity event logs and conduct assessments
  • Perform ACAS vulnerability scans and IAVM reporting
  • Maintain ATO records in XACTA and manage POA&Ms
  • Collaborate with DevOpsSec on scan remediation
  • Identify vulnerabilities and recommend mitigations
  • Apply SSE expertise in design, risk management, and auditing

Benefits

  • general: Flexible schedule with occasional remote work
  • general: Professional development for DoD 8570 certifications
  • general: Mission-focused team environment
  • general: Training and teamwork opportunities
  • general: Career acceleration in cutting-edge OSINT tech

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Leidos logo

Cyber Security Engineer - Careers at Leidos

Leidos

Cyber Security Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos' Elite Cyber Security Team in Bethesda, MD

Leidos seeks a Cyber Security Engineer to drive the DOMEX Technology Platform (DTP) for the OSINT Integration Center (OSIC). Deliver technical security expertise across cloud and on-premises infrastructure, leveraging industry best practices to safeguard mission-critical systems. Collaborate with ISSOs, ISSMs, engineers, and government stakeholders to achieve regulatory compliance under NIST, CNSS, and DoD frameworks.

Core Responsibilities

  • Analyze cybersecurity event logs and perform technical assessments
  • Execute ACAS vulnerability scans, IAVM tracking, and POA&M reporting
  • Maintain ATO in XACTA and review C&A documentation
  • Partner with DevOpsSec for scan remediation and vulnerability mitigation
  • Manage security audit tools for testing, audits, and incident response

Required Qualifications

  • BS + 8+ years or equivalent experience
  • TS/SCI with Poly eligibility
  • DoD 8570 IAT II+ certification (Security+, CySA+, CISSP)
  • Expertise in NIST SP 800-53/37/30, CNSSI 1253, security plans
  • Proven vulnerability scan analysis and SSE processes

Preferred Skills

  • Python, Java, React coding
  • DevOpsSec pipelines and database systems

Work primarily on-site in Bethesda, MD, with flexible scheduling and occasional remote tasks. Accelerate your career with Leidos' innovative, collaborative team.

Locations

  • Bethesda, Maryland, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Vulnerability scanning with ACASintermediate
  • XACTA and eMASS managementintermediate
  • NIST SP 800-series complianceintermediate
  • CNSSI 1253 implementationintermediate
  • Incident response and POA&M managementintermediate
  • DevOpsSec pipeline integrationintermediate
  • Python/Java/React developmentintermediate
  • System security engineering (SSE)intermediate

Required Qualifications

  • BS degree + 8+ years experience or equivalent (experience)
  • Active TS/SCI clearance with Poly eligibility (experience)
  • DoD 8570.01-M IAT Level II+ (Security+, CySA+, CISSP) (experience)
  • 1+ year developing security plans (CONOPS, SSP, risk assessments) (experience)
  • Experience configuring/analyzing vulnerability scans (experience)
  • Strong analytical/communication/problem-solving skills (experience)

Responsibilities

  • Review cybersecurity event logs and conduct assessments
  • Perform ACAS vulnerability scans and IAVM reporting
  • Maintain ATO records in XACTA and manage POA&Ms
  • Collaborate with DevOpsSec on scan remediation
  • Identify vulnerabilities and recommend mitigations
  • Apply SSE expertise in design, risk management, and auditing

Benefits

  • general: Flexible schedule with occasional remote work
  • general: Professional development for DoD 8570 certifications
  • general: Mission-focused team environment
  • general: Training and teamwork opportunities
  • general: Career acceleration in cutting-edge OSINT tech

Target Your Resume for "Cyber Security Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Cyber Security Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Cyber Security Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Bethesda MDLeidos CareersCybersecurity HiringDefense IT United StatesCleared JobsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Cyber Security Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.