Information System Security Engineer

EEOC

Lead cybersecurity engineering for DoD collateral, SAP, and SCI environments. Ensuring security requirements are integrated into system architectures and supporting RMF accreditation.

Posted 6/16/2026full-timeMcLean • Virginia • 🇺🇸 United StatesSeniorLead💰 $99,000 - $225,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecuritySplunkTypeScript

About the role

Key responsibilities & impact

Lead cybersecurity engineering efforts across the full system lifecycle for DoD collateral, SAP and SCI environments
Ensure security requirements are integrated into system architectures, designs, development, testing, and sustainment activities
Support accreditation under the Risk Management Framework (RMF) and JSIG
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

Requirements

What you’ll need

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

Benefits

Comp & perks

health, life, disability, and retirement benefits
paid leave
professional development
tuition assistance
work-life programs
dependent care
recognition awards for exceptional performance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cybersecurity engineeringsecurity architecture reviewsthreat modelingtechnical risk assessmentssecurity engineering artifactsSTIG checklistscontrol traceabilitySIPRNet architectureType 1 crypto devicesSPLUNK dashboards

Soft Skills

collaborationcommunication

Certifications

IAM Level IIICISSPGSLCCISM