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Information System Security Manager - Careers at Leidos

Leidos

Information System Security Manager - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as an Information System Security Manager in Omaha, NE

Leidos' Chief Information Security Office seeks a seasoned Information Systems Security Manager (ISSM) to oversee DCSA-approved Collateral and OSI-approved systems in our Omaha, NE office. As the SME in Information Assurance, you'll maintain accreditation across the system lifecycle, manage daily security operations, and mentor junior ISSOs while innovating solutions for evolving threats. This onsite role demands collaboration with analysts, IT management, and site leaders.

Key Responsibilities

  • Lead security projects from inception to user acceptance, including RMF Continuous Monitoring via automated ticketing.
  • Design and deliver training on cybersecurity best practices, incident response, and security tools.
  • Maintain accreditation packages: SSPs, CONOPS, POA&Ms, and control evidence.
  • Facilitate CCB meetings, evaluate change impacts, and ensure CM compliance for hardware/software/firmware.
  • Conduct risk assessments, audits, and incident investigations; report to senior leadership.
  • Develop/enforce IS security policies and procedures with the FSO.

Basic Qualifications

  • Active DoD Secret clearance (US Citizen required).
  • Bachelor’s in IT-related field + 8+ years in operational cybersecurity (ISSM/ISSO preferred).

Why Leidos?

Work on mission-critical defense systems with a salary range of $107,900 - $195,050. Enjoy comprehensive benefits, career growth in Digital Modernization Sector, and onsite stability in Omaha. Be the guardian of enterprise enclaves—apply now.

Locations

  • Omaha, Nebraska, 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

  • Risk Management Framework (RMF)intermediate
  • Continuous Monitoringintermediate
  • Information Assurance (IA)intermediate
  • Configuration Management (CM)intermediate
  • Cybersecurity Training Developmentintermediate
  • Incident Responseintermediate
  • Security Accreditation Maintenanceintermediate
  • DCSA/OSI Complianceintermediate

Required Qualifications

  • Active DoD Secret clearance (experience)
  • Bachelor’s degree in IT-related field + 8+ years operational cybersecurity experience (e.g., ISSM, ISSO) (experience)
  • US Citizenship (experience)
  • Experience with SSPs, CONOPS, POA&Ms (experience)
  • Proficiency in automated ticketing systems (experience)
  • Knowledge of secure software development practices (experience)

Responsibilities

  • Oversee DCSA-approved Collateral and OSI-approved Information Systems maintaining lifecycle accreditation
  • Develop and lead Information Security projects from concept to deployment
  • Create and deliver comprehensive cybersecurity training programs and materials
  • Implement RMF Continuous Monitoring using automated ticketing for vulnerabilities and controls
  • Facilitate CCB meetings, assess security impacts of changes, and document compliance
  • Lead security incident investigations and coordinate corrective actions
  • Author and maintain IS Authorization documentation including SSPs and POA&Ms
  • Develop and enforce information security policies with Facility Security Officer

Benefits

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

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Jobs in Omaha NELeidos CareersCybersecurity Jobs United StatesDefense IT SecurityEngineeringInformation TechnologySecurity

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Leidos logo

Information System Security Manager - Careers at Leidos

Leidos

Information System Security Manager - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as an Information System Security Manager in Omaha, NE

Leidos' Chief Information Security Office seeks a seasoned Information Systems Security Manager (ISSM) to oversee DCSA-approved Collateral and OSI-approved systems in our Omaha, NE office. As the SME in Information Assurance, you'll maintain accreditation across the system lifecycle, manage daily security operations, and mentor junior ISSOs while innovating solutions for evolving threats. This onsite role demands collaboration with analysts, IT management, and site leaders.

Key Responsibilities

  • Lead security projects from inception to user acceptance, including RMF Continuous Monitoring via automated ticketing.
  • Design and deliver training on cybersecurity best practices, incident response, and security tools.
  • Maintain accreditation packages: SSPs, CONOPS, POA&Ms, and control evidence.
  • Facilitate CCB meetings, evaluate change impacts, and ensure CM compliance for hardware/software/firmware.
  • Conduct risk assessments, audits, and incident investigations; report to senior leadership.
  • Develop/enforce IS security policies and procedures with the FSO.

Basic Qualifications

  • Active DoD Secret clearance (US Citizen required).
  • Bachelor’s in IT-related field + 8+ years in operational cybersecurity (ISSM/ISSO preferred).

Why Leidos?

Work on mission-critical defense systems with a salary range of $107,900 - $195,050. Enjoy comprehensive benefits, career growth in Digital Modernization Sector, and onsite stability in Omaha. Be the guardian of enterprise enclaves—apply now.

Locations

  • Omaha, Nebraska, 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

  • Risk Management Framework (RMF)intermediate
  • Continuous Monitoringintermediate
  • Information Assurance (IA)intermediate
  • Configuration Management (CM)intermediate
  • Cybersecurity Training Developmentintermediate
  • Incident Responseintermediate
  • Security Accreditation Maintenanceintermediate
  • DCSA/OSI Complianceintermediate

Required Qualifications

  • Active DoD Secret clearance (experience)
  • Bachelor’s degree in IT-related field + 8+ years operational cybersecurity experience (e.g., ISSM, ISSO) (experience)
  • US Citizenship (experience)
  • Experience with SSPs, CONOPS, POA&Ms (experience)
  • Proficiency in automated ticketing systems (experience)
  • Knowledge of secure software development practices (experience)

Responsibilities

  • Oversee DCSA-approved Collateral and OSI-approved Information Systems maintaining lifecycle accreditation
  • Develop and lead Information Security projects from concept to deployment
  • Create and deliver comprehensive cybersecurity training programs and materials
  • Implement RMF Continuous Monitoring using automated ticketing for vulnerabilities and controls
  • Facilitate CCB meetings, assess security impacts of changes, and document compliance
  • Lead security incident investigations and coordinate corrective actions
  • Author and maintain IS Authorization documentation including SSPs and POA&Ms
  • Develop and enforce information security policies with Facility Security Officer

Benefits

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

Target Your Resume for "Information System Security Manager - Careers at Leidos" , Leidos

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

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

Check Your ATS Score for "Information System Security Manager - 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 Omaha NELeidos CareersCybersecurity Jobs United StatesDefense IT SecurityEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Information System Security Manager - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.