Senior Information Systems Security Officer (ISSO) - Forest, MS

Date Posted: 2026-08-11 | Location: Forest, MS (100% onsite) | U.S. citizenship and an active, transferable U.S. government Secret security clearance required on day 1.

About the Role

RTX, the world’s largest aerospace and defense company, is seeking a Senior Information Systems Security Officer (ISSO) to support our cybersecurity team at our Forest, Mississippi facility. The successful candidate will interface with the Information Systems Security Manager (ISSM) to ensure adherence with NIST Special Publications, customer directives, and company policies, including NISPOM Chapter 8, DAAPM, and JSIG policies.

Within six months of hire, you must obtain and maintain a Security professional certification commensurate with IAM Level I (e.g., Security+), if not already held.

Responsibilities

• Assess and monitor system compliance, auditing, security plan development, 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.

Requirements

• University Degree or equivalent experience and minimum 5 years of prior relevant experience, or an Advanced Degree in a related field and minimum 3 years of experience.
• Relevant experience in any combination of the following:
  • Cybersecurity, systems security, or hardening
  • Information Technology
  • Compliance-based auditing using RMF, DAAPM, JSIG, NISPOM, FAA, PCI, ISO 9001, or HIPAA
  • Supporting computer technologies (databases, operating systems, network hardware, software, hardware troubleshooting, or electronics)
  • Physical security, policework, criminal justice, investigations, or Border Patrol
  • Project/program management, office management, senior administration, or account management

Preferred Qualifications

• Experience working in DoD classified operating and/or laboratory environments.
• Experience with information system security tools such as Splunk, Forcepoint, Ivanti, Tenable, ACAS, or HBSS.
• Familiarity with Government directives and policies derived from NIST, CNSSI, DoD, or other regulatory compliance standards.
• Experience executing Assessment & Authorization processes within the Risk Management Framework (RMF).
• Experience providing technical security consultation for complex, cross-domain, heterogeneous classified networked environments.
• Familiarity with large multi-facility networks, including Windows and Linux environments.
• Experience interpreting, implementing, and assessing DISA STIGs.
• Familiarity with cyber incident response, including preservation, containment, and eradication.

Benefits

• Medical, dental, and vision insurance
• Life insurance, short-term and long-term disability
• 401(k) match
• Flexible spending accounts
• Flexible work schedules
• Employee assistance program
• Employee Scholar Program (education support)
• Parental leave
• Paid time off and holidays
• Annual short-term and/or long-term incentive compensation programs (performance-based, not guaranteed)

Pay

The salary range for this role is $78,200 – $148,600 USD. Factors considered include role, function, responsibilities, work experience, location, education/training, and key skills.