Date Posted:2026-08-11 Country:United States of America Location:US-MS-FOREST-425 ~ 19859 Hwy 80 ~ BLDG 425 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ 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: Active and existing security clearance required after day 1At 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 a Senior Information Systems Security Officer (ISSO) II to support our team 100% onsite at our facility in Forest, Mississippi.The ISSO is responsible for compliance oversight, assessment, and operations of systems under their purview. They may be assigned to a single large-scale program or oversee multiple programs. Although you will not have direct reports, you will mentor a team of ISSO’s to provide support and advice pertaining to day-to-day occurrences or issues.You will conduct recurring Cybersecurity reviews on information systems in accordance with DoD Manuals, NIST Special Publications, customer directives, and company policies as applicable.You’ll serve as subject matter experts (SME) on a broad range of Cybersecurity topics. You may represent the Cybersecurity organization and business unit to external Cybersecurity counterparts. You are responsible for providing guidance and technical training to ISSOs across the organization.What You Will Do Reviewing and approving (within authority) configuration management requestsConducting technical and administrative assessmentsIntegrating new Cybersecurity processes, procedures and toolsSupport ISSOs and Cybersecurity Managers in the creation, review and update of Cybersecurity documentation and other technical writingOversee ISSO’s to ensure implementation of policies and procedures as outlined within the Cybersecurity artifacts and governing documentationIntermittent travel to other Raytheon locations (10-20%)Qualifications You Must Have Typically requires a University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience.IAM Level I certification (Security+ or other)Relevant Experience Considered in any combination:Cybersecurity, systems security or hardeningInformation TechnologyCompliance-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 HIPPAExperience 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 PatrolProject or program management, office management, senior administration, or account managementThe ability to obtain and maintain a U.S. government issued security clearance AFTER START is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceQualifications We PreferExperience working in DoD classified operating and/or laboratory environmentsExperience with various information system security tools that address vulnerability analysis and mitigation. These may include Splunk, Forcepoint, Ivanti, Tenable, ACAS, HBSS, etc.Familiarity with implementation of Government directives and policies derived from NIST, CNSSI, DoD, or other Government Regulatory compliance standards within a professional industryExperience in the execution of 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 complex components, including Windows and Linux environmentsExperience interpreting, implementing, and assessing DISA STIGs.Familiarity with the execution and management of cyber incident response; preservation, containment, and eradicationWhat We OfferOur 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 Non-Eligible – Relocation assistance not availableLearn More & Apply Now!Please consider the following role type definition as you apply for this role: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 productsWe are RTX#LI-OnsiteAs 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.The salary range for this role is 107,500 USD - 204,500 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.Hired applicants may be eligible for benefits, including but not limited to, 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, and 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.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.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. 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. Privacy Policy and Terms:Click on this link to read the Policy and Terms