Embedded Systems Security Engineer (Onsite - Largo, FL)

Collins Aerospace; Largo (FL); On-site; USD 68,900 - 131,100; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with employer matching

Tuition reimbursement

Job summary

Collins Aerospace is seeking an Embedded Systems Security Engineer for its Largo, FL location. The ideal candidate will possess a degree in STEM and at least 2 years of relevant experience, along with an active SECRET clearance.

This role involves supporting cybersecurity requirements and collaborating with engineering teams to enhance security protocols. Collins Aerospace offers medical and dental benefits, tuition reimbursement, and a generous 401(k) plan.

Qualifications

• Typically requires a degree in a relevant field and minimum 2 years of experience.
• Active and transferrable SECRET clearance or ability to obtain after start.
• U.S. citizenship is required.

Responsibilities

• Support system certification and accreditation efforts, including RMF ATO.
• Support cybersecurity requirement decomposition and verification.
• Analyze system requirements and identify potential vulnerabilities.
• Collaborate with systems engineers and developers.

Skills

Requirement allocation and decomposition

Analyzing system architectures

Designing security features and principles

Assessing security vulnerabilities

Cybersecurity test and evaluation

Education

Degree in Science, Technology, Engineering, or Mathematics (STEM)

Tools

DOORS

JIRA

Confluence

Cameo (MBSE experience)

Job description

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

Date Posted: 2026-06-16

Country: United States of America

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. 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 after day 1

Product Cybersecurity Engineering DoD East Florida team is hiring an 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.

Location: This role will be worked onsite in Largo, FL. Relocation assistance is available. Active and transferrable SECRET clearance or ability to obtain after start is required.

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 2 years of prior relevant experience or an Advanced Degree in a related field
• Active and transferrable SECRET clearance or ability to obtain after start.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
• Experience with Risk Management Framework (RMF)
• Experience with general technical security concepts, technologies, and implementations
• Technical writing skills and ability to develop security documentation
• Understanding of System Security Engineering domain

Qualifications We Prefer:

• Active and transferable TOP SECRET clearance
• Experience with National Security Agency (NSA) cryptographic certification, Cross Domain Solution (CDS) requirements, and National Information Assurance Partnership (NIAP)
• Familiarity with DOORS, JIRA, Confluence, Cameo (MBSE experience), or other systems modeling and agile tools
• Advanced Security-related certifications (e.g., CISSP, Sec+, etc.) and Electrical or Computer Engineering Degree
• Prior experience working with security protocols used in embedded systems and communications for aerospace environments
• Familiarity with DoD focused security assessment tools, e.g. SCC, NMAP, Evaluate-STIG, Nessus, ACAS, Vulnerator, eMASSster, etc.
• Willingness to learn about satellite systems, communication systems, and evolving security technologies
• Experience applied to mission systems used in disconnected DoD environments
• Analytical skills with the ability to perform deep dives into system requirements
• Experience to interpret system models, diagrams, and architectures to assess security risks

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.

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.

Employee Referral Eligible

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 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement.

Hired applicants may be eligible for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective‑bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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