ISSO — Cyber RMF & A&A Specialist (TS/SCI)

L3Harris Technologies, Inc.; San Diego (CA); On-site; USD 93,000 - 172,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Paid time off

Job summary

L3Harris Technologies, Inc. is seeking an experienced Information System Security Officer (ISSO) to support cybersecurity, RMF, and A&A activities for classified information systems across programs and facilities.

The role partners with the ISSM to ensure continuous monitoring, compliance, and customer engagement in a fast-paced classified environment. The ideal candidate will have TS/SCI eligibility, 4+ years of DoD/IC security experience, and a strong background in RMF implementation, SSP

Qualifications

• Bachelor’s Degree and minimum 4 years of prior relevant experience; graduate degree reduces experience requirement.
• Active TS/SCI eligibility on Day One is required.
• 4+ years in cybersecurity, information assurance, or security in DoD/IC/classified environments.
• 4+ years implementing RMF in information systems.
• 4+ years supporting authorization packages, documentation, and POA&M management.
• 4+ years as cybersecurity representative or ISSO for classified systems.

Responsibilities

• Administer and maintain RMF cybersecurity compliance for classified IS.
• Develop and maintain SSPs, authorization packages, security assessments, and continuous monitoring.
• Conduct security control reviews, vulnerability assessments, risk evaluations, and compliance validation.
• Create and maintain inventories, network diagrams, procedures, and accreditation artifacts.
• Manage programs and IS compliance with contractual and regulatory requirements.
• Coordinate with government customers, DCSA, SCAs, AOs, and engineering teams.
• Support inspections, assessments, accreditation reviews, and remediation efforts.
• Evaluate changes for security impact and compliance implications.
• Perform account reviews, audit log reviews, and media accountability activities.
• Provide guidance on cybersecurity requirements and authorization processes.
• Assist ISSM in program objectives and act as backup when needed.
• Travel up to 10% for meetings, inspections, and audits.
• Ensure eligibility for security clearances as required.

Skills

Cybersecurity

RMF

A&A

NIST SP 800-53

TS/SCI clearance

Regulatory compliance

Education

Bachelor’s Degree

Graduate Degree

8+ years experience (no degree)

Tools

eMASS

Windows

RHEL

Active Directory

Job description

L3Harris Technologies, Inc. is seeking an experienced Information System Security Officer (ISSO) to support cybersecurity, RMF, and A&A activities for classified information systems across programs and facilities.

The role partners with the ISSM to ensure continuous monitoring, compliance, and customer engagement in a fast-paced classified environment. The ideal candidate will have TS/SCI eligibility, 4+ years of DoD/IC security experience, and a strong background in RMF implementation, SSP