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RTX
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March 18, 2026
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Embedded Systems Security Engineer (ONSITE)

US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100
Full-time
Onsite
$69K/yr - $131K/yr
Entry, Mid Level
Collins Aerospace, an RTX company, is a leader in technologically advanced solutions for the aerospace and defense industry. They are seeking an Embedded Systems Security Engineer to support cybersecurity efforts for military and international programs, focusing on system certification, requirement analysis, and integrating security into system designs.
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Responsibilities

  • 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

Qualification

Required

  • Experience with Risk Management Framework (RMF) applied to mission systems used in disconnected DoD environments
  • Familiarity with general technical security concepts, technologies, and implementations
  • Strong technical writing skills and ability to develop security documentation
  • Strong analytical skills with the ability to perform deep dives into system requirements
  • Ability to interpret system models, diagrams, and architectures to assess security risks. Willingness to learn about satellite systems, communication systems, and evolving security technologies
  • Understanding of System Security Engineering domain
  • 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 transferable SECRET clearance is required prior to start date
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred

  • 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
  • Active and transferable TOP SECRET clearance is a plus

Benefits

  • 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
  • This position is eligible for relocation assistance
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
Glassdoor
3.8
Founded in 1922
Arlington, Virginia, USA
10001+ employees
http://www.raytheon.com
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
Glassdoor
3.8
Founded in 1922
Arlington, Virginia, USA
10001+ employees
http://www.raytheon.com