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# Embedded Systems Security Engineer II (Onsite - Marlborough, MA) Secret cleararance required

- **Company:** RTX
- **Location:** Marlborough, MA, United States
- **Salary:** $68,900.0 - $131,100.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Confluence, JIRA, Software Documentation, Computer Engineering, Nmap, Software Requirements Analysis, Verification and Validation (Software), Systems Architecture, DOORS (Software), Atlassian Tools, Nessus
- **Published:** August 27, 2026
- **Apply:** https://dejobs.org/x/x/747E9F5F17564B0C95301854AED895C3/job/

## About the Role

* Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field
 * U.S. citizenship is required , as only U.S. citizens are eligible for a security clearance
 * Active and transferable SECRET U.S. government issued security clearance is required prior to start date
 * Experience supporting cybersecurity or product security activities for embedded, aerospace, defense, or other mission-critical systems
 * Experience supporting Risk Management Framework (RMF) activities, security assessments, or system authorization activities
 * Experience analyzing system requirements, models, diagrams, or architectures to identify security requirements or risks
 * Experience developing technical documentation, including security requirements, assessments, test documentation, or certification artifacts
 * Experience supporting system or software verification and validation activities, including development or execution of test procedures and documentation of test results, * Active and transferable TOP SECRET clearance
 * Experience with NSA cryptographic certification, Cross Domain Solution (CDS) requirements, or NIAP
 * Familiarity with DOORS, JIRA, Confluence, Cameo (MBSE), or other systems modeling and agile tools
 * Security-related certifications (e.g., Security+, CISSP) and/or an Electrical or Computer Engineering degree
 * Experience with security protocols used in embedded systems and communications for aerospace environments
 * Familiarity with DoD-focused security assessment tools such as SCC, NMAP, Evaluate-STIG, Nessus, ACAS, Vulnerator, eMASS, etc
 * Willingness to learn about satellite systems, communication systems, and evolving security technologies
 * Demonstrated collaboration, effective communication, customer focus, and ability to drive results

## Description

The ideal candidate will have experience in requirement allocation and decomposition, analyzing system architectures, designing security features and principles, assessing security vulnerabilities (scanning), and formal cybersecurity test and evaluation (CT&E). The candidate will report to the Senior Manager of Cybersecurity Engineering and work collaboratively with cross-functional engineering teams on the program they support., * Support system certification and authorization activities, including RMF Authorization to Operate (ATO) and NSA Type 1 Cryptographic Certification, by preparing assigned documentation, evidence, and assessment artifacts

 * Support cybersecurity requirement decomposition, allocation, implementation, and verification for assigned system components using systems engineering practices
 * Analyze system requirements, models, interfaces, and diagrams to identify and document potential security vulnerabilities and trace findings to applicable security requirements
 * Participate in system design reviews and document security engineering inputs, findings, and recommendations for assigned system elements
 * Work with systems engineers and software/hardware developers to incorporate assigned security requirements into system designs and track identified issues through resolution
 * Support security-focused System Verification and Validation (SV&V) activities by developing test cases, test plans, and procedures; participating in test conduct; documenting results; and supporting remediation analysis
 * Participate in cybersecurity engineering reviews and working groups and provide status, findings, and technical inputs for assigned activities
 * Review applicable security threats, vulnerabilities, and industry guidance and identify impacts to assigned system components


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