Senior Information Security Systems Engineer - Defense

L3Harris Technologies; Nashville (TN); On-site; USD 110,000 - 150,000; Full time

Job summary

L3Harris Technologies in Nashville, TN seeks an experienced Senior Specialist, Information Security Systems Engineering to own cybersecurity implementation across programs. You will define security requirements, coordinate with cross-functional teams, and support accreditation and continuous monitoring activities.

Qualifications include a degree plus 6+ years of related experience or 10+ years if no degree, with clearance eligibility (Secret or higher). Security+ or CISSP is preferred.

Qualifications

• Bachelor’s Degree or higher with minimum relevant experience.
• US Secret security clearance eligibility required.
• Security+ or CISSP certification preferred.

Responsibilities

• Own cybersecurity implementation and validation across the program.
• Develop and maintain system security requirements and documentation.
• Coordinate with engineering, software, hardware, and test teams on security.
• Support accreditation activities including SSPs and SARs.
• Contribute to vulnerability management, STIGs, and continuous monitoring.

Skills

Security concepts

Risk assessment

Cross-functional collaboration

Communication skills

Education

Bachelor’s Degree

Graduate Degree

Experience in lieu of degree

Tools

NIST SP 800-53

NIST SP 800-171

RMF

ACAS

Nessus

SCAP

CIS Benchmarks

Job description

L3Harris Technologies in Nashville, TN seeks an experienced Senior Specialist, Information Security Systems Engineering to own cybersecurity implementation across programs. You will define security requirements, coordinate with cross-functional teams, and support accreditation and continuous monitoring activities.

Qualifications include a degree plus 6+ years of related experience or 10+ years if no degree, with clearance eligibility (Secret or higher). Security+ or CISSP is preferred.