SAIC

Information System Security Engineer

SAIC$100K — $130K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or related field.
  • IAT II certification (e.g., Security+ CE) required.
  • 9 years of cybersecurity experience in DoD or federal systems.
  • Hands-on experience with RMF and ATO for IL5/IL6 environments.
  • Previous ISSE or ISSM experience with cloud or hybrid systems.
  • Experience with AWS GovCloud security services and compliance.
  • Familiarity with Azure security preferred.
  • Proficiency in Linux security, especially Red Hat Enterprise Linux.
  • Experience with container security solutions like EKS and Kubernetes.
  • Active SECRET clearance with the ability to obtain TS/SCI; TS/SCI preferred.

Responsibilities

  • Lead RMF lifecycle execution for IL5/IL6 cloud systems.
  • Manage ATO packages, ensuring timely renewals and compliance tracking.
  • Oversee security posture for AWS GovCloud and future Azure environments.
  • Coordinate validation of security configurations with cloud brokers.
  • Provide oversight for secure architecture reviews and change controls.
  • Support security for containerized architectures including EKS and Kubernetes.
  • Guide the implementation of security for Infrastructure as Code deployments.

Benefits

  • Comprehensive health plans including medical, dental, and vision.
  • Retirement savings plan with company match.
  • Flexible work hours and potential for remote work arrangements.
  • Professional development and training opportunities.
  • Support for certifications and continuing education.
Full Job Description
Job Description

SAIC is seeking an Information System Security Engineer to provide cybersecurity leadership and governance across DoD IL5 and IL6 cloud platforms, ensuring secure design, continuous monitoring, and compliance across multiple cloud brokers. This role oversees RMF lifecycle execution, ATO sustainment, and security engineering alignment for cloud based development and production environments-while partnering closely with engineering, operations, and mission stakeholders to maintain a resilient, audit-ready security posture.

In this role, you'll contribute to Naval Operational Architecture (NOA), working alongside engineers and operators to deliver resilient, forward-leaning solutions in support of national defense.

Job Duties:
  • Lead RMF lifecycle execution for IL5/IL6 cloud systems, including control inheritance, evidence generation, and continuous monitoring.
  • Manage ATO packages, ensuring timely renewals, POA&M tracking, and alignment with DoD cybersecurity requirements.
  • Oversee cloud security posture across AWS GovCloud (primary) and Azure (future), ensuring compliance with DoD and organizational standards.
  • Coordinate with cloud brokers to validate boundary protections, shared responsibility models, and service configurations.
  • Provide ISSM oversight for engineering teams, including secure architecture reviews and change-control participation.
  • Support containerized architectures including EKS, Kubernetes, and microservices security controls.
  • Guide implementation of IaC security for Terraform/CloudFormation-based deployments.
  • Ensure compliance of Red Hat Linux systems, including STIG application and patch governance.
  • Advise on network security fundamentals including VPC design, routing, segmentation, and boundary defense.


Qualifications

Requirements:
  • Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or related field.
  • IAT II certification required (e.g., Security+ CE).
  • 9 years of cybersecurity experience supporting DoD or federal systems.
  • Hands-on RMF and ATO experience for IL5/IL6 or similar classified environments.
  • Prior ISSE or ISSM experience supporting cloud or hybrid architectures.
  • AWS GovCloud experience with security services, boundary controls, and compliance frameworks.
  • Familiarity with Azure security (preferred, not required).
  • Proficiency with Linux security, especially Red Hat Enterprise Linux.
  • Experience with container security including EKS and Kubernetes.
  • Active SECRET clearance required with the ability to obtain a TS/SCI; TS/SCI strongly preferred.

Desired Skills:
  • Master's degree in Cybersecurity, Computer Science, Information Systems, or related field.
  • CISSP or CySA+ certification.
  • IaC tooling experience (Terraform, CloudFormation) with secure automation pipelines.
  • Cloud-native security tooling such as GuardDuty, Inspector, Security Hub, or Azure Defender.
  • Network architecture understanding including cross-domain solutions and enclave segmentation.
  • Strong documentation skills for audits, assessments, and engineering artifacts.
  • Experience with SSO/IdP integrations (Azure AD, Okta, Ping).
  • Knowledge of container orchestration and secure CI/CD pipeline.


About SAIC

Science Applications International Corporation (SAIC) is a technology integrator in the technical, engineering, intelligence, and enterprise information technology markets. SAIC has approximately 26,000 employees and operates in more than 70 countries. The company was founded in 1969 and is headquartered in Reston, Virginia. SAIC provides services to the U.S. government, including the Department of Defense, the intelligence community, and civilian agencies. The company also serves commercial customers in the healthcare, energy, and financial services sectors.
Learn more about SAIC
Size
26,000 employees
Market Cap
$6 billion
Industry
Net Income
$206 million
Founded
1969
5 Year Trend
+10.7%
Revenue
$6.8 billion
NASDAQ

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