Information System Security Officer (ISSO) - El Segundo, CA (Sponsor Clearance)

Prattwhitney; El Segundo (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

Disability insurance

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

RTX is seeking an Information System Security Officer (ISSO) to support our security program at the El Segundo facility. This role is 100% onsite, reporting to the ISSM, and focuses on compliance, auditing, and security plan development for government systems.

You will work with DoD classified environments, RMF/JSIG/NISPOM frameworks, and must obtain a Security+ or equivalent certification within six months of hire. Citizenship and clearance eligibility are required.

Qualifications

• University degree or advanced degree in a related field with 2+ years of relevant experience.
• Must be able to obtain and maintain a U.S. government security clearance prior to start.
• Experience with RMF, DAAPM, JSIG, NISPOM and related standards.
• Experience auditing physical security, network and system event logs, password administration and access privileges.
• Ability to work independently and in a team; strong written and verbal communication.

Responsibilities

• Ensure system compliance, audit readiness, and security plan development.
• Deliver information system security education and awareness.
• Investigate information system security violations and prepare corrective action reports.
• Collaborate with facility security, program personnel, and government representatives.
• Perform security sustainment activities (hardware/software change management, account management, media protection, etc.).

Skills

Security clearance eligibility

RMF knowledge

JSIG familiarity

Auditing experience

Written and verbal communication

Independent and team collaboration

Education

University degree or higher

Tools

Databases

Operating systems

Network hardware

Job description

Date Posted: 2026-09-17 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite 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 Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Our cybersecurity team, is seeking an Information System Security Officer (ISSO) to support our team 100% onsite at our facility in El Segundo, California. You will interface and collaborate with the Information Systems Security Manager (ISSM) to ensure adherence to all NISPOM Chapter 8, DAAPM, JSIG policies.

What You Will Do

You will be primarily responsible for system compliance, auditing, security plan development and delivering information systems security education and awareness. You will also assist in investigating information system security violations and help prepare reports specifying corrective and preventative actions. The position routinely collaborates with the facility security team, program personnel, and government representatives. Security sustainment activities (hardware change management, software change management, account management, media protection, user interface, file transfers, etc.)

Important note: Within six months of hire date, you must obtain and maintain a Security professional certification commensurate with IAM Level I certification (Security+ or other), if you do not already have this certification.

Qualifications

You Must Have Typically requires a University Degree and minimum 2 years prior relevant experience, or an Advanced Degree in a related field. Relevant Experience Considered in any combination: 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 HIPPA 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, policework/criminal justice, investigations, or Border Patrol Project or program management, office management, senior administration, or account management The ability to obtain and maintain a U.S. government issued security clearance PRIOR TO START is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Preferred Qualifications

Experience working in DoD classified operating and/or laboratory environments Familiarity with cybersecurity Risk Management Framework (RMF) and compliance as stipulated by NISPOM/DAAPM, JSIG, ICD 503, STIGs and associated NIST publications Experience with audit reviews such as physical security, network and system event logs, password administration, file access privileges, etc. Familiarity with the execution and management of cyber incident response; preservation, containment, and eradication Ability to work independently and as a member of a team Self-motivated and possess exceptional written and verbal communication skills, particularly in documenting evaluation results Customer focused, adaptable and willing to work varying assignments Completion of National Industrial Security Program cybersecurity training courses available at https://cdse.usalearning.gov/login/index.php

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation

Relocation Non-Eligible – Relocation assistance not available

Onsite Role Type Definition

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products We are RTX #LI-Onsite As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

Salary Range

The salary range for this role is 75,800 USD - 144,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Benefits

• medical
• dental
• vision
• life insurance
• short-term disability
• long-term disability
• 401(k) match
• flexible spending accounts
• flexible work schedules
• employee assistance program
• Employee Scholar Program
• parental leave
• paid time off
• holidays

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.

Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

Application Window

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.

Affirmative Action

RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Company Overview

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.