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Principal Embedded System Security Engineer; Onsite ) Secret clearance required

Job in Largo, Pinellas County, Florida, 34640, USA
Listing for: VulnU
Full Time position
Listed on 2026-11-04
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 107500 - 204500 USD Yearly USD 107500.00 204500.00 YEAR
Job Description & How to Apply Below
# Principal Embedded System Security Engineer (Onsite - Largo, FL) Secret clearance requiredRTX  
· rtx.com Category:
Hardware & Embedded Security

Location:

US-FL-LARGO-382SR ~ 7887 Bryan Dairy Rd ~ BLDG 600

Level:
Staff / Principal Clearance:
Secret## Quality of life

What the posting states. Hover or tap a perk to see the line it came from.
* Paid parental leave
* Retirement match
* Learning budget
* 30 days PTODate Posted:

Country:

United States of America

Location:

US-FL-LARGO-382SR ~ 7887 Bryan Dairy Rd ~ BLDG 600

Position Role Type:

OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:

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

Security Clearance Type:

Secret - Current Security Clearance Status:

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 Principal Embedded System 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 in Largo FL and work collaboratively with cross-functional engineering teams on the program they support. This role will be worked onsite in Largo, FL and will require an active SECRET clearance.  Relocation assistance is available.

What You Will Do:

Lead system certification and accreditation efforts, including Risk Management Framework (RMF) Authorization To Operate (ATO) and National Security Agency (NSA) Type 1 Cryptographic Certification Lead cybersecurity requirement decomposition, allocation, implementation, and verification utilizing system engineering practices. Analyze system requirements, models, and diagrams to identify potential security vulnerabilities. Participate in system design discussions and provide security engineering input

Collaborate with systems engineers and developers to integrate security considerations into system design. Work as part of a team, contributing to a culture of collaboration and continuous learning

Maintain awareness of evolving security threats and industry best practices

Participate in Security focused-System Verification and Validation including writing test plans and procedures, performing test conduct, and providing remediation recommendation analysis Qualifications You Must Have:

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

Active and transferable SECRET clearance is required prior to start dateU.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Direct experience in System Security Engineering

Experience with Risk Management Framework (RMF) applied to mission systems used in…
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