Senior Embedded Security Engineer — Onsite (Secret Clearance)

VulnU; Marlborough (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

3 weeks vacation

401(k) match

Tuition reimbursement

Job summary

Collins Aerospace, an RTX company, is seeking a Sr. Embedded System Security Engineer for onsite work in Marlborough, MA. Active SECRET clearance and U.S.

citizenship are required. You will support system certification, analyze security risks, and collaborate with cross-functional teams to embed security into designs for defense programs. The role emphasizes RMF/ATO processes, cybersecurity test and evaluation, and ongoing threat mitigation in a DoD/disconnected environment.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) or advanced related degree.
• Active SECRET clearance required before start date.
• Direct experience in System Security Engineering.
• RMF applied to DoD mission systems/environments.
• Ability to develop security documentation and write technical reports.

Responsibilities

• Support RMF ATO and NSA Type 1 cryptographic certification processes.
• Decompose and allocate security requirements, implement and verify.
• Analyze system models/diagrams to identify security vulnerabilities.
• Participate in system design discussions and provide security input.
• Collaborate with systems engineers to integrate security into designs.
• Maintain awareness of evolving threats and industry best practices.
• Develop security test plans, perform validation, and propose remediation.

Skills

System security engineering

RMF

Security analyses

Technical writing

Security requirements

Education

STEM degree

Advanced degree

Tools

DOORS

JIRA

Confluence

Cameo MBSE

Nessus

ACAS

NMAP

Job description

Collins Aerospace, an RTX company, is seeking a Sr. Embedded System Security Engineer for onsite work in Marlborough, MA. Active SECRET clearance and U.S.

citizenship are required. You will support system certification, analyze security risks, and collaborate with cross-functional teams to embed security into designs for defense programs. The role emphasizes RMF/ATO processes, cybersecurity test and evaluation, and ongoing threat mitigation in a DoD/disconnected environment.