Senior Information System Security Officer; ISSO - El Segundo, CA
Listed on 2026-06-05
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IT/Tech
Cybersecurity, Information Security
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Security ClearanceDoD Clearance:
Secret
Active and existing security clearance required on day 1
Company OverviewAt Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.
PositionSummary
Our cybersecurity team is seeking a Senior Information Systems Security Officer (ISSO) to support our team 100% onsite at our facility in El Segundo, California. The successful candidate will interface with the Information Systems Security Manager (ISSM) to ensure adherence with NIST Special Publications, customer directives, and company policies as applicable all NISPOM Chapter 8, DAAPM, JSIG policies.
What You Will Do- Assess system compliance, audit, develop security plans, and deliver information systems security education and awareness.
- Investigate information system security violations and prepare reports specifying corrective and preventative actions.
- Review and approve (within authority) configuration management requests.
- Conduct technical and administrative assessments.
- Integrate new cybersecurity processes, procedures, and tools.
- Support the creation, review, and update of cybersecurity documentation and other technical writing.
- 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.
- Current IAM Level I certification (Security+ or other).
- Cybersecurity, systems security or hardening
- Information Technology
Compliance-based auditing using the Risk Management Framework (RMF), DCSA Assessment and Authorization Process Manual (DAAPM), Joint SAP Implementation Guide (JSIG), National Industrial Security Program Operating Manual (NISPOM), and/or non-defense regulations such as FAA, Payment Card Industry (PCI), ISO 9001 Quality Management standards, or HIPAA.
Experience working with and/or supporting computer technologies (such as databases, operating systems, computer network hardware, software programs, hardware troubleshooting or electronics).
Physical security/security, police work/criminal justice, investigations, or Border Patrol.
Project or program management, office management, senior administration, or account management.
Qualifications We Prefer- Experience working in DoD classified operating and/or laboratory environments.
- Experience with various information system security tools addressing vulnerability analysis and mitigation (e.g., Splunk, Forcepoint, Ivanti, Tenable, ACAS, HBSS).
- Familiarity with implementation of Government directives and policies derived from NIST, CNSSI, DoD, or other Government Regulatory compliance standards within a professional industry.
- Experience executing the Assessment & Authorization processes as defined within the Risk Managed Framework (RMF).
- Experience providing technical security consultation for complex, cross-domain, heterogeneous classified networked environments in collaboration with internal/external customers, Information Technology (IT).
- Familiarity with large multi-facility networks including various complex components, including Windows and Linux environments.
- Experience interpreting, implementing, and assessing DISA STIGs.
- Familiarity with execution and management of cyber incident response; preservation, containment, and eradication.
Non-Eligible – Relocation assistance not available.
Salary and BenefitsThe salary range for this role is 95,500 USD – 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when…
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