~4d ago
New

Sr. Embedded Systems Security Engineer (Onsite - Largo, FL or Marlborough, MA) Secret clearance required

2 Locationssenior
EngineeringSecurity Engineer
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Quick Summary

Key Responsibilities

Perform RMF Authorization to Operate (ATO) and NSA Type 1 Cryptographic Certification activities, including development and maintenance of required security documentation, evidence,

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
EngineeringSecurity Engineer
2026-08-24
United States of America
US-FL-LARGO-382SR ~ 7887 Bryan Dairy Rd ~ BLDG 600
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 a minimum of 5 years of prior relevant experience, or an Advanced Degree in a related field and a minimum of 3 years of experience

    • Active and transferable TOP SECRET clearance

    • Experience with NSA cryptographic certification, Cross Domain Solution (CDS) requirements, and NIAP

    • Experience with DOORS, JIRA, Confluence, Cameo (MBSE), or other systems modeling and agile tools

    • Security-related certifications (e.g., CISSP, Security+) and/or an Electrical or Computer Engineering degree

    • Experience with security protocols used in embedded systems and communications for aerospace environments

    • Experience using DoD-focused security assessment tools such as SCC, NMAP, Evaluate-STIG, Nessus, ACAS, Vulnerator, eMASS, etc

    • Experience with satellite systems, communication systems, or other mission-critical embedded systems

    • Ability to collaborate across engineering disciplines and communicate technical security risks and recommendations to engineering and program leadership

    • Demonstrated ability to drive security activities to completion and influence technical decisions

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.

You will be a member of the Collins Product Cybersecurity Organization (PCO) supporting strategic defense and protected communication systems programs. We are a growing business developing new products in an aggressive and competitive market. The new designs are exciting and technically challenging.

The Product Cybersecurity Engineering DoD East Florida team is hiring a Sr. Embedded Systems Security Engineer to support programs for our US military and various international customers, keeping the world safe from foreign threats. This team supports multiple Collins contracts and is seeking to fill roles across several open contracts – 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
  • →

    Perform RMF Authorization to Operate (ATO) and NSA Type 1 Cryptographic Certification activities, including development and maintenance of required security documentation, evidence, and assessment artifacts

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    Perform cybersecurity requirement decomposition, allocation, implementation, and verification across assigned system components and interfaces using systems engineering practices

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    Analyze system requirements, models, interfaces, and architectures to identify security vulnerabilities, develop mitigation recommendations, and maintain traceability between security requirements and system implementation

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    Lead security engineering inputs for assigned system design reviews and document security risks, requirements, recommendations, and resolution status

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    Coordinate with systems engineers and software/hardware developers to integrate security requirements into system designs and track security issues through verification and closure

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    Develop and execute security-focused Software Verification & Validation activities, including test plans, test procedures, test cases, test conduct, results documentation, and remediation analysis

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    Coordinate assigned cybersecurity engineering activities across systems engineering, software, hardware, and test organizations and provide status and technical findings to program leadership

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    Assess applicable security threats, vulnerabilities, and industry practices and evaluate their impact on assigned system architectures, requirements, and implementations

Click on this link to read the Policy and Terms

What We Offer

~1 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 7, 2026

Posting Health

Days active
3
Repost count
0
Trust Level
55%
Scored at
October 7, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
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Sr. Embedded Systems Security Engineer (Onsite - Largo, FL or Marlborough, MA) Secret clearance required