Sr. Embedded Systems Security Engineer (Onsite - Largo, FL) Secret Clearance required

Date Posted:

2026-07-20

 Country:

United States of America

 Location:

US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100

 Position Role Type:

Onsite

 U.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:

DoD Clearance: Secret

 Security Clearance Status:

Active and existing security clearance required on day 1

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. 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 Senior 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 and work collaboratively with cross-functional engineering teams on the program they support.

This role will be worked onsite in Largo, FL. Relocation assistance is available.

ACTIVE and transferrable SECRET clearance required starting day 1.

What You Will Do:

Support system certification and accreditation efforts, including Risk Management Framework (RMF) Authorization To Operate (ATO) and National Security Agency (NSA) Type 1 Cryptographic Certification

Support 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 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

ACTIVE and transferrable SECRET clearance

U.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 disconnected DoD environments

Experience with technical security concepts, technologies, and implementations

Technical writing skills and ability to develop security documentation

Experience interpreting system models, diagrams, and architectures to assess security risks

Qualifications We Prefer:

Advanced Security-related certifications (e.g., CISSP, Sec+, etc.) and Electrical or Computer Engineering Degree

Experience with National Security Agency (NSA) cryptographic certification, Cross Domain Solution (CDS) requirements, and National Information Assurance Partnership (NIAP)

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

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

Familiarity with DoD focused security assessment tools, e.g. SCC, NMAP, Evaluate-STIG, Nessus, ACAS, Vulnerator, eMASSster, etc.

Analytical skills with the ability to perform deep dives into system requirements

Willingness to learn about satellite systems, communication systems, and evolving security technologies

What We Offer:

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!

Learn More & Apply Now!

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).

Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies.

Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way – the right way – to achieve what others can only dream of.

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is