Information System Security Engineer

Job Number: R

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.

How You'll Contribute

• 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.

You Have

• 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 If You Have

• 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.

Clearance

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.

Compensation

Projected salary range: $99,000.00 to $225,000.00 (annualized USD). Position will close within 90 days from the Posting Date.

Benefits

Health, life, disability, financial, and retirement benefits, including paid leave, professional development, tuition assistance, work‑life programs, and dependent care.

EEO Statement

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.