Senior ISSO – Onsite Cybersecurity & RMF Expert

RTX (Raytheon); El Segundo (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

RTX in El Segundo, CA seeks a Senior Information Systems Security Officer (ISSO) to ensure compliant cybersecurity practices onsite. You will liaise with the ISSM to align with NIST, DAAPM, JSIG, and NISPOM policies while supporting RMF-based assessments and security documentation.

Responsibilities include auditing, risk assessment, and implementing security controls, with expected certifications within six months of hire.

Qualifications

• Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or an Advanced Degree in a related field and minimum 3 years' experience.
• Experience with RMF, JSIG, NISPOM and related security standards is expected.
• Experience with DoD/DOD-like classification environments is a plus.
• Ability to assess, audit, and document security controls and plans.

Responsibilities

• Assessing and monitoring system compliance and security plans.
• Investigating information system security violations and preparing reports with corrective actions.
• Reviewing and approving configuration management requests within authority.
• Conducting technical and administrative security assessments.
• Integrating new cybersecurity processes, procedures, and tools.
• Create, review, and update cybersecurity documentation and other technical writing.

Skills

Cybersecurity

RMF compliance

Auditing

Documentation

Communication

Education

Bachelor's degree in related field

Advanced degree in related field

Tools

Splunk

Forcepoint

Ivanti

Tenable

ACAS

HBSS

Job description

RTX in El Segundo, CA seeks a Senior Information Systems Security Officer (ISSO) to ensure compliant cybersecurity practices onsite. You will liaise with the ISSM to align with NIST, DAAPM, JSIG, and NISPOM policies while supporting RMF-based assessments and security documentation.

Responsibilities include auditing, risk assessment, and implementing security controls, with expected certifications within six months of hire.