~1h ago
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Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance required

2 Locationssenior
OtherSystem Security Engineer
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Quick Summary

Key Responsibilities

Work with customers and internal stakeholders to define cybersecurity requirement decomposition, allocation, implementation,

Requirements Summary

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S.

Technical Tools
OtherSystem Security Engineer
2026-08-19
United States of America
US-MA-MARLBOROUGH-MA4 ~ 1001 Boston Post Rd ~ BLDG 4
Onsite

Requirements

~1 min read
Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum10  years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience

    • Active and transferable TOP SECRET clearance

    • Familiarity with satellite systems, communication systems, and evolving security technologies; with a strong desire to develop and enhance this knowledge

    • Direct experience with National Security Agency (NSA) cryptographic certification

    • Direct experience with Program Protection Plan (PPP) and Program Protection Implementation Plan (PPIP) required by DoDI 5000.2 and DoDI 5200.39

    • Direct experience as an Agile Scrum Master and/or Product Owner

    • Direct experience as a Cost Account Manager (CAM) and/or Basis of Estimate (BOE) author

    • RTX Earned Value and Basis of Estimate Certifications; or the willingness to obtain these within six (6) months of start

    • Cybersecurity-related certifications (e.g., CISSP, Security Plus, etc.)

    • Self-starter requiring limited direction and minimal supervision

Secret - Current
Active and existing security clearance required on day 1

At RTX, the world's 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.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

The Product Cybersecurity Engineering team is hiring a Senior Principal Embedded Systems Security Engineer to support programs for our US military, keeping the world safe from foreign threats. Our goal is to align each new hire with a position that best suits their skills and allows for career growth. The ideal candidate will be skilled 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.

Responsibilities

~1 min read
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    Work with customers and internal stakeholders to define cybersecurity requirement decomposition, allocation, implementation, and verification utilizing system engineering practices; providing guidance and direction related to security technologies

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    Define cybersecurity requirements, design, and architecture artifacts; collaborating with program and engineering disciplines and ensuring cybersecurity solution alternatives

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    Lead system design discussions and provide cybersecurity engineering input

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    Lead and collaborate with systems engineers and developers to integrate cybersecurity considerations into system design

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    Lead cybersecurity focused System Verification and Validation including writing test plans and procedures, performing test conduct, writing and conducting analyses, and providing remediation recommendations

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    Own and generate cybersecurity related documentation (i.e., e.g.; Risk Management Framework System Security Plan, Risk Assessment Report, Plan of Actions and Milestones)

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    Lead as part of a team of System Security Engineers, fostering a culture of collaboration and continuous learning

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    Champion awareness of evolving security threats and industry best practices; becoming a Subject Matter Expert (SME) and valued member of our System Security Engineering team

Click on this link to read the Policy and Terms

  • What We Offer

    ~2 min read
    ✓Medical, dental, and vision insurance
    ✓Three weeks of vacation for newly hired employees
    ✓Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
    ✓Tuition reimbursement program
    ✓Student Loan Repayment Program
    ✓Life insurance and disability coverage
    ✓Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
    ✓Birth, adoption, parental leave benefits
    ✓Ovia Health, fertility, and family planning
    ✓Adoption Assistance
    ✓Autism Benefit
    ✓Employee Assistance Plan, including up to 10 free counseling sessions
    ✓Healthy You Incentives, wellness rewards program
    ✓Doctor on Demand, virtual doctor visits
    ✓Bright Horizons, child and elder care services
    ✓Teladoc Medical Experts, second opinion program
    ✓And more!

    Location & Eligibility

    Where is the job
    —
    Location terms not specified
    Who can apply
    Same as job location

    Listing Details

    First seen
    October 3, 2026
    Last seen
    October 3, 2026

    Posting Health

    Days active
    0
    Repost count
    0
    Trust Level
    55%
    Scored at
    October 3, 2026

    Signal breakdown

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    Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance required