Information System Security Engineer

Booz Allen Hamilton•McLean, VA

3d•$99,000 - $225,000•Remote

About The Position

Information System Security Engineer The Opportunity: You will lead cybersecurity engineering efforts across the full system lifecycle for DoD collateral, SAP and SCI environments. This role ensures security requirements are integrated into system architectures, designs, development, testing, and sustainment activities, and supports accreditation under the Risk Management Framework (RMF) and JSIG.

Requirements

8+ years of experience as an ISSO, ISSM, ISSE or SCA supporting classified programs
Experience supporting RMF activities, including documentation in tools like EMASS, SNOW or Xacta
Experience building or maintaining classified networks such as SIPRNet or CWAN
Ability to build and review SPLUNK dashboards, correlation searches and audit analysis
Ability to decompose RMF security requirements such as DoD JSIG, DAAG, or ICD-503 into technical solutions
Active TS/SCI clearance; willingness to take a polygraph exam
Bachelor’s degree
IAM Level III certification including CISSP, GSLC, or CISM

Nice To Haves

Experience with DoD cloud environments, such as Azure or AWS IL5/IL6
Experience with CORA and mission impact processes
CCSP, CASP+, cloud or network security certifications

Responsibilities

Integrate and refine cybersecurity requirements within system designs and architecture.
Conduct security architecture reviews, threat modeling, and technical risk assessments.
Develop and maintain security engineering artifacts such as STIG checklists, control traceability, or architecture diagrams.
Assess system compliance, evaluate design alternatives, and provide mitigation recommendations.
Support secure enclave integration, including SIPRNet architecture, boundary defenses, and Type 1 crypto devices.
Analyze risks associated with emerging tools, technologies, and processes.
Collaborate with ISSOs, ISSMs, SCAs, and program stakeholders throughout system development.