Senior Information System Security Officer; ISSO - Marlborough, MA

RTX, the world's largest aerospace and defense company, is hiring a Senior Information Systems Security Officer (ISSO) for our Marlborough, Massachusetts facility. The role is 100% onsite and involves supporting the Information Systems Security Manager to ensure compliance with NIST Special Publications, customer directives, and company policies, including NISPOM Chapter 8, DAAPM, and JSIG.

• U.S. citizenship required.
• Active Secret security clearance required on day 1.
• Within six months of hire, obtain and maintain a Security+ or equivalent IAM Level I certification.

• Assess and monitor system compliance, audit, security plan development.
• Deliver information systems security education and awareness.
• Investigate security violations and prepare corrective action reports.
• Review and approve configuration management requests within authority.
• Conduct technical and administrative assessments.
• Integrate new cybersecurity processes, procedures, and tools.
• Support creation, review, and update of cybersecurity documentation and technical writing.

• University degree (or equivalent experience) with a minimum of 5 years relevant experience, or an advanced degree with a minimum of 3 years experience.
• Experience in cybersecurity, systems security, or hardening.
• Compliance-based auditing using RMF, DCSA, DAAPM, JSIG, NISPOM, or non‑defense standards such as FAA, PCI, ISO 9001, HIPAA.
• Experience with computer technologies (databases, operating systems, network hardware, software).
• Physical security or investigative experience preferred.
• Project or program management, office management, senior administration, or account management experience preferred.

• Work in DoD classified or laboratory environments.
• Proficiency with vulnerability analysis and mitigation tools (e.g., Splunk, Forcepoint, Ivanti, Tenable, ACAS, HBSS).
• Implementation of NIST, CNSSI, DoD, or other government regulatory compliance standards.
• Execution of RMF Assessment & Authorization processes.
• Technical security consultation for complex, cross‑domain classified networks.
• Experience with Windows and Linux environments, large multi‑facility networks, and DISA STIGs.
• Cyber incident response – containment, preservation, eradication.

Salary range: $86,800 – $165,200 USD.

• Medical, dental, and vision coverage.
• Life insurance and voluntary accident coverage.
• Short‑term and long‑term disability.
• 401(k) with company match.
• Flexible spending accounts.
• Paid time off, holidays, and parental leave.
• Employee assistance and scholar programs.
• Annual incentive programs (subject to business and performance).

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.