ISSE Lead: Secure Systems Engineer (RMF/ATO)

L3Harris Technologies; Palm Bay (FL); On-site; USD 110,000 - 150,000; Full time

Job summary

L3Harris Technologies in Palm Bay, FL seeks an experienced Information Security Systems Engineer (ISSE) to design, implement, and sustain secure information systems across enterprise and program environments. You will apply cybersecurity engineering throughout the system lifecycle and help ensure compliance and mission requirements.

The role emphasizes RMF/A&A preparation for Authorization to Operate, with opportunities to collaborate on secure architectures, vulnerability management, and

Qualifications

• Bachelor’s degree with 4+ years’ experience; or 8+ years’ experience without a degree.
• Active TS/SCI w/CI Poly clearance.
• IAT Level II minimum within 3 months (Security+ CE, CCNA Security, or equivalent).

Responsibilities

• Prepare RMF A&A documentation to achieve security authorization (ATO).
• Design, integrate, and maintain secure on-prem architectures.
• Apply cybersecurity and security-by-design across the system development lifecycle.
• Derive security requirements, controls, and technical solutions from system requirements.
• Perform security assessments, gap analyses, and risk evaluations.
• Support audits and customer assessments with technical evidence and responses.

Skills

RMF knowledge

Security architecture

Threat analysis

Vulnerability assessment

Communication

Education

Bachelor's degree

Graduate degree

Tools

Vulnerability scanners

IDS/IPS

Endpoint protection

Job description

L3Harris Technologies in Palm Bay, FL seeks an experienced Information Security Systems Engineer (ISSE) to design, implement, and sustain secure information systems across enterprise and program environments. You will apply cybersecurity engineering throughout the system lifecycle and help ensure compliance and mission requirements.

The role emphasizes RMF/A&A preparation for Authorization to Operate, with opportunities to collaborate on secure architectures, vulnerability management, and