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Senior Information System Security Engineer - Careers at Leidos

Leidos

Senior Information System Security Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos: Pioneer Digital Defense for the US Coast Guard

Transform technology for those who serve at Leidos' Digital Modernization sector. We're architecting next-generation cyber defense solutions for the United States Coast Guard (USCG) at C5ISC in Alexandria, VA. As a Senior Information System Security Engineer (ISSE), you'll lead cloud modernization, delivering secure, scalable AWS and Azure environments that drive operational resilience.

Primary Responsibilities

  • Architect and implement secure cloud infrastructure across AWS and Azure.
  • Define cloud security policies, standards, and automation frameworks.
  • Conduct threat modeling, risk assessments, and incident response for cloud-native apps.
  • Embed security in CI/CD pipelines and DevOps processes.
  • Manage ICAM, encryption, and key systems in cloud environments.
  • Monitor with SIEM, CSPM, CWPP, and advanced security tools.
  • Collaborate with engineers, analysts, and leadership for secure adoption.
  • Proactively mitigate emerging threats and refine processes.

Basic Qualifications

  • Bachelor’s in Computer Science, Information Systems, or related.
  • 8-12 years in information security engineering.
  • Deep AWS/Azure security expertise and shared responsibility knowledge.
  • Experience with Terraform, Ansible, Docker, Kubernetes.
  • Required certs: CCSP, AWS Security Specialty, or Azure Security Engineer.
  • Strong communication; fast-paced environment fit.
  • U.S. Citizen; Public Trust/DoD Secret clearance eligible.

Preferred Qualifications

  • Zero trust and multi-cloud strategies.
  • FedRAMP, SOC 2, HIPAA, PCI-DSS compliance.
  • Scripting in Python, Bash, PowerShell.
  • DHS/USCG federal cloud experience.
  • DoD 8570: Security+, CISSP, CASP+, ISSEP.

Leidos outthinks the status quo. Shape secure futures – apply now for impact that matters. Pay: $107,900 - $195,050 USD.

Locations

  • Alexandria, 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

  • AWS Security Architectureintermediate
  • Azure Security Servicesintermediate
  • Cloud Threat Modelingintermediate
  • CI/CD Security Integrationintermediate
  • Kubernetes & Docker Securityintermediate
  • Terraform & Ansible Automationintermediate
  • SIEM & CSPM Monitoringintermediate
  • Zero Trust Principlesintermediate
  • Python & Bash Scriptingintermediate
  • FedRAMP Complianceintermediate

Required Qualifications

  • Bachelor’s degree in Computer Science or related field (experience)
  • 8-12 years information security engineering experience (experience)
  • CCSP, AWS Certified Security – Specialty, or Azure Security Engineer certification (experience)
  • DoD 8570 compliance (Security+, CISSP, CASP+) (experience)
  • U.S. Citizenship with Public Trust & DoD Secret Clearance eligibility (experience)
  • Expertise in cloud-native security controls (experience)
  • Hands-on containerization and orchestration experience (experience)

Responsibilities

  • Architect secure AWS and Azure cloud infrastructure
  • Define and enforce cloud security policies and automation
  • Lead threat modeling, risk assessments, and incident response
  • Integrate security into CI/CD pipelines and DevOps workflows
  • Manage cloud ICAM, encryption, and key systems
  • Monitor environments with SIEM, CSPM, and CWPP tools
  • Collaborate across engineering, compliance, and operations teams
  • Recommend mitigation for emerging cloud threats
  • Ensure alignment with USCG mission and Leidos standards

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: Flexible work arrangements and paid time off
  • general: Mission-driven impact supporting US Coast Guard
  • general: Collaborative innovation culture with cutting-edge tech

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Tags & Categories

Jobs in Alexandria, VALeidos CareersCloud Security JobsDefense IT HiringUSCG ContractsCybersecurity United StatesEngineeringInformation TechnologySecurity

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Leidos logo

Senior Information System Security Engineer - Careers at Leidos

Leidos

Senior Information System Security Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos: Pioneer Digital Defense for the US Coast Guard

Transform technology for those who serve at Leidos' Digital Modernization sector. We're architecting next-generation cyber defense solutions for the United States Coast Guard (USCG) at C5ISC in Alexandria, VA. As a Senior Information System Security Engineer (ISSE), you'll lead cloud modernization, delivering secure, scalable AWS and Azure environments that drive operational resilience.

Primary Responsibilities

  • Architect and implement secure cloud infrastructure across AWS and Azure.
  • Define cloud security policies, standards, and automation frameworks.
  • Conduct threat modeling, risk assessments, and incident response for cloud-native apps.
  • Embed security in CI/CD pipelines and DevOps processes.
  • Manage ICAM, encryption, and key systems in cloud environments.
  • Monitor with SIEM, CSPM, CWPP, and advanced security tools.
  • Collaborate with engineers, analysts, and leadership for secure adoption.
  • Proactively mitigate emerging threats and refine processes.

Basic Qualifications

  • Bachelor’s in Computer Science, Information Systems, or related.
  • 8-12 years in information security engineering.
  • Deep AWS/Azure security expertise and shared responsibility knowledge.
  • Experience with Terraform, Ansible, Docker, Kubernetes.
  • Required certs: CCSP, AWS Security Specialty, or Azure Security Engineer.
  • Strong communication; fast-paced environment fit.
  • U.S. Citizen; Public Trust/DoD Secret clearance eligible.

Preferred Qualifications

  • Zero trust and multi-cloud strategies.
  • FedRAMP, SOC 2, HIPAA, PCI-DSS compliance.
  • Scripting in Python, Bash, PowerShell.
  • DHS/USCG federal cloud experience.
  • DoD 8570: Security+, CISSP, CASP+, ISSEP.

Leidos outthinks the status quo. Shape secure futures – apply now for impact that matters. Pay: $107,900 - $195,050 USD.

Locations

  • Alexandria, 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

  • AWS Security Architectureintermediate
  • Azure Security Servicesintermediate
  • Cloud Threat Modelingintermediate
  • CI/CD Security Integrationintermediate
  • Kubernetes & Docker Securityintermediate
  • Terraform & Ansible Automationintermediate
  • SIEM & CSPM Monitoringintermediate
  • Zero Trust Principlesintermediate
  • Python & Bash Scriptingintermediate
  • FedRAMP Complianceintermediate

Required Qualifications

  • Bachelor’s degree in Computer Science or related field (experience)
  • 8-12 years information security engineering experience (experience)
  • CCSP, AWS Certified Security – Specialty, or Azure Security Engineer certification (experience)
  • DoD 8570 compliance (Security+, CISSP, CASP+) (experience)
  • U.S. Citizenship with Public Trust & DoD Secret Clearance eligibility (experience)
  • Expertise in cloud-native security controls (experience)
  • Hands-on containerization and orchestration experience (experience)

Responsibilities

  • Architect secure AWS and Azure cloud infrastructure
  • Define and enforce cloud security policies and automation
  • Lead threat modeling, risk assessments, and incident response
  • Integrate security into CI/CD pipelines and DevOps workflows
  • Manage cloud ICAM, encryption, and key systems
  • Monitor environments with SIEM, CSPM, and CWPP tools
  • Collaborate across engineering, compliance, and operations teams
  • Recommend mitigation for emerging cloud threats
  • Ensure alignment with USCG mission and Leidos standards

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: Flexible work arrangements and paid time off
  • general: Mission-driven impact supporting US Coast Guard
  • general: Collaborative innovation culture with cutting-edge tech

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

Get personalized recommendations to optimize your resume specifically for Senior Information System 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 "Senior Information System 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 Alexandria, VALeidos CareersCloud Security JobsDefense IT HiringUSCG ContractsCybersecurity United StatesEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Information System 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.