Senior System Security Engineer – Secret Clearance

L3Harris Technologies; Palm Bay (FL); On-site; USD 103,000 - 172,000; Full time

Job summary

L3Harris Technologies seeks a Senior Specialist, System Security Engineer with a minimum of Bachelor’s degree and at least 6 years of related experience. The role requires a Collateral Secret clearance and is based in Palm Bay, FL or Rochester, NY, with 100% on-site work in a lab environment.

You will apply RMF, A&A, and DoD software practices to secure systems and data. Responsibilities include certifying high-assurance devices, using ACAS/SCC tools, and coordinating with customers and internal

Qualifications

• Bachelor’s Degree and minimum 6 years of related experience; higher degrees reduce experience required.
• Minimum of Collateral Secret security clearance required.

Responsibilities

• Certification of Cryptographic High Assurance Devices.
• Experience with High Assurance products (IASRD and SERD).
• Configure and use cyber defense and vulnerability tools (ACAS, SCC).
• Assess security controls in embedded systems per NIST 800-53.
• Manage RMF A&A processes and BoE package development.
• Process A&A packages and RMF accreditation for PIT systems.
• Collaborate with customers and internal teams to address security needs.
• Provide DoD software selection for COTS, GOTS, and FOSS.
• Support security engineering activities across lifecycle stages.
• Develop policies for emerging security technologies.
• Evaluate and implement security architecture improvements.

Skills

System security engineering

RMF accreditation

Vulnerability assessment

Security policy development

Collaboration with customers

Education

Bachelor’s Degree

Graduate Degree preferred

Tools

ACAS

SCC

NIST SP 800-53

Job description

L3Harris Technologies seeks a Senior Specialist, System Security Engineer with a minimum of Bachelor’s degree and at least 6 years of related experience. The role requires a Collateral Secret clearance and is based in Palm Bay, FL or Rochester, NY, with 100% on-site work in a lab environment.

You will apply RMF, A&A, and DoD software practices to secure systems and data. Responsibilities include certifying high-assurance devices, using ACAS/SCC tools, and coordinating with customers and internal