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RTX
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March 4, 2026
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Cybersecurity Engineer - Embedded Avionics (ONSITE)

US-IA-CEDAR RAPIDS-107 ~ 400 Collins Rd NE ~ BLDG 107
Full-time
Onsite
$57K/yr - $109K/yr
Entry Level
RTX is a leading aerospace and defense company, and they are seeking a Cybersecurity Engineer to join their Embedded Product Cybersecurity Engineering team. The role involves ensuring secure design, development, and verification testing of avionics systems, while collaborating with various teams to mitigate security threats and enhance product robustness.
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Responsibilities

  • Developing threat models and data flow diagrams to ensure information can be properly isolated in motion and at rest
  • Conducting vulnerability assessments of proposed and fielded systems
  • Collaborating with product architects and software development teams to mitigate security threats
  • Reviewing code to identify weaknesses in the implementation of security functions
  • Developing and executing fuzzing and penetration tests to evaluate product robustness to untrusted inputs
  • Creating custom security testing tools that utilize aerospace specific protocols
  • Implementing mandatory access controls (MAC) through the development of Security Enhanced Linux (SELinux) policies
  • Supporting multiple product security efforts concurrently
  • Guiding the organization throughout the SSDLC
  • Authoring of Risk Management Framework (RMF) artifacts
  • Candidates for this position should be fluent in the software / systems engineering domain and have a passion for cybersecurity
  • Use excellent communications skills to communicate technical issues and status in both written and oral form
  • Be adaptable to change, determined to accomplish tasks based on program schedule
  • Collaborate with teammates in order to learn and make good decisions
  • Enjoy learning new technologies, and contribute to a positive work environment

Qualification

Required

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years prior relevant experience
  • U.S. Citizenship is required - 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
  • Embedded software development experience in Linux OS environment
  • Experience coding in C, C++, Python, other scripting languages
  • Networking experience - Layer 2/Layer 3/Layer 4 protocols

Preferred

  • Experience creating and analyzing Threat Models and Data Flow Diagrams
  • Analysis of system and application security architectures
  • Conducting system and application vulnerability assessments
  • Data/network security implementations with Linux OS
  • Understanding tailoring and hardening of Linux OS
  • System and Application Penetration Testing skills
  • Hands-on experience with SAST and collaborating with developers to resolve findings
  • Creating System & Application Fuzzing / Resiliency Tests
  • SELinux Policy Development
  • Experience with Public Key Infrastructure (PKI) device certificate management
  • Experience or knowledge of RTCA DO-326A / DO-356A
  • Experience with Risk Management Framework (RMF)

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
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