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Information Systems Security Manager (ISSM) - Careers at Leidos

Leidos

Information Systems Security Manager (ISSM) - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as Information Systems Security Manager (ISSM)

Leidos Defense Sector seeks a dynamic ISSM for a high-stakes Air Force Life Cycle Management Center program in Lorton, VA. Drive mission success by overseeing cybersecurity for DoD systems, ensuring compliance with stringent regulations while protecting sensitive data.

Primary Responsibilities

  • Serve as SME for network connections, facilitating ATO, ATE, ATC, and ISA approvals with SCA/AO endorsements.
  • Develop, implement security policies per NIST, RMF, FISMA standards.
  • Manage system security posture, risk/vulnerability assessments, and audits.
  • Lead continuous monitoring, RMF accreditation, and incident response.
  • Collaborate with engineering/IT teams to enforce controls; deliver training and maintain documentation like SSPs/POA&Ms.
  • Stay ahead of threats to adapt program security.

Basic Qualifications

  • Top Secret clearance (SCI eligible), US Citizen.
  • Bachelor’s +8yrs or Master’s +6yrs; CISSP/CISM required.
  • Expertise in DoD frameworks (NIST 800-53, RMF), cloud/network security.

Preferred Qualifications

  • Cloud VE approvals, hybrid cloud experience.
  • Complex DoD programs, advanced certs (CISA, CEH), vuln scanning tools.

Salary: $107,900 - $195,050 USD. Full-time, mid-level role. Leidos values innovators who challenge norms—apply if you're ready to elevate defense cybersecurity.

Locations

  • Lorton, Virginia, 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

  • RMF Accreditationintermediate
  • NIST 800-53 Complianceintermediate
  • Risk Assessmentsintermediate
  • Vulnerability Managementintermediate
  • Continuous Monitoringintermediate
  • Incident Responseintermediate
  • Security Policy Developmentintermediate
  • DoD Cybersecurity Frameworksintermediate
  • Cloud Securityintermediate
  • SIEM and IDS/IPSintermediate

Required Qualifications

  • US Citizen with Top Secret clearance (SCI eligible) (experience)
  • Bachelor’s Degree + 8 years or Master’s + 6 years experience (experience)
  • CISSP, CISM or equivalent certification (experience)
  • In-depth DoD policies knowledge (NIST, RMF, FISMA, ICD 503) (experience)
  • System security engineering expertise (experience)
  • Cloud and network security proficiency (experience)

Responsibilities

  • Guide teams through network connection processes and ATO/ATE/ATC approvals
  • Develop and maintain security policies compliant with DoD standards
  • Oversee cybersecurity posture for confidentiality, integrity, availability
  • Conduct risk, vulnerability assessments and audits with remediation
  • Manage continuous monitoring and RMF accreditation processes
  • Coordinate incident response and security training programs
  • Maintain SSPs, POA&Ms and security documentation

Benefits

  • general: Competitive salary $107,900 - $195,050
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and flexible work options
  • general: Professional development and certification reimbursement
  • general: Employee stock purchase plan

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Jobs in Lorton VALeidos CareersCybersecurity United StatesDoD Security JobsEngineeringInformation TechnologySecurity

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Leidos logo

Information Systems Security Manager (ISSM) - Careers at Leidos

Leidos

Information Systems Security Manager (ISSM) - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as Information Systems Security Manager (ISSM)

Leidos Defense Sector seeks a dynamic ISSM for a high-stakes Air Force Life Cycle Management Center program in Lorton, VA. Drive mission success by overseeing cybersecurity for DoD systems, ensuring compliance with stringent regulations while protecting sensitive data.

Primary Responsibilities

  • Serve as SME for network connections, facilitating ATO, ATE, ATC, and ISA approvals with SCA/AO endorsements.
  • Develop, implement security policies per NIST, RMF, FISMA standards.
  • Manage system security posture, risk/vulnerability assessments, and audits.
  • Lead continuous monitoring, RMF accreditation, and incident response.
  • Collaborate with engineering/IT teams to enforce controls; deliver training and maintain documentation like SSPs/POA&Ms.
  • Stay ahead of threats to adapt program security.

Basic Qualifications

  • Top Secret clearance (SCI eligible), US Citizen.
  • Bachelor’s +8yrs or Master’s +6yrs; CISSP/CISM required.
  • Expertise in DoD frameworks (NIST 800-53, RMF), cloud/network security.

Preferred Qualifications

  • Cloud VE approvals, hybrid cloud experience.
  • Complex DoD programs, advanced certs (CISA, CEH), vuln scanning tools.

Salary: $107,900 - $195,050 USD. Full-time, mid-level role. Leidos values innovators who challenge norms—apply if you're ready to elevate defense cybersecurity.

Locations

  • Lorton, Virginia, 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

  • RMF Accreditationintermediate
  • NIST 800-53 Complianceintermediate
  • Risk Assessmentsintermediate
  • Vulnerability Managementintermediate
  • Continuous Monitoringintermediate
  • Incident Responseintermediate
  • Security Policy Developmentintermediate
  • DoD Cybersecurity Frameworksintermediate
  • Cloud Securityintermediate
  • SIEM and IDS/IPSintermediate

Required Qualifications

  • US Citizen with Top Secret clearance (SCI eligible) (experience)
  • Bachelor’s Degree + 8 years or Master’s + 6 years experience (experience)
  • CISSP, CISM or equivalent certification (experience)
  • In-depth DoD policies knowledge (NIST, RMF, FISMA, ICD 503) (experience)
  • System security engineering expertise (experience)
  • Cloud and network security proficiency (experience)

Responsibilities

  • Guide teams through network connection processes and ATO/ATE/ATC approvals
  • Develop and maintain security policies compliant with DoD standards
  • Oversee cybersecurity posture for confidentiality, integrity, availability
  • Conduct risk, vulnerability assessments and audits with remediation
  • Manage continuous monitoring and RMF accreditation processes
  • Coordinate incident response and security training programs
  • Maintain SSPs, POA&Ms and security documentation

Benefits

  • general: Competitive salary $107,900 - $195,050
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and flexible work options
  • general: Professional development and certification reimbursement
  • general: Employee stock purchase plan

Target Your Resume for "Information Systems Security Manager (ISSM) - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Information Systems Security Manager (ISSM) - Careers at Leidos. Takes only 15 seconds!

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

Check Your ATS Score for "Information Systems Security Manager (ISSM) - 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 Lorton VALeidos CareersCybersecurity United StatesDoD Security JobsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Information Systems Security Manager (ISSM) - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.