RTX

Crypto Software Engineering Intern, Summer 2026

RTX

internship

Posted on:

Location Type: Office

Location: FullertonCaliforniaUnited States

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Salary

💰 $42,000 - $88,000 per year

Job Level

Tech Stack

About the role

  • Architecture, design, development, integration, and testing of embedded software for a network security appliances, including device management software, communication protocols, device drivers, and control plane security features.
  • Work closely with a team software engineers to ensure implementation meets the product requirements.
  • Socialize designs with team and integrates suggestions and changes as appropriate.
  • Unit test software components to ensure module-level functionality and data structure consistency.
  • Participate in design and implementation/code reviews of other team members.
  • Work with implementation teams to derive and document appropriate designs for the problem space.
  • Create required project documentation in support of contract deliverables. Including development plans, requirement and design specifications, and test documents.
  • Independently manage time and prioritizes tasks to achieve results within cost and schedule constraints.

Requirements

  • Requires a High School Diploma or equivalent and student must be pursuing a Bachelor’s or advanced degree in an applicable discipline.
  • 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
  • Ideal candidates will have experience with software development using a high-level programming language (Rust, C++, C#, Java, Perl, Ada, VHDL) as well as hardware-software integration in real-time embedded systems.
  • Crypto Algorithm experience.
  • Experience with SysML and UML modeling tools
  • Understanding of network security protocols and algorithms (e.g. TLS, SSL, encryption, OpenSSL, X.509 Certificates, etc.)
  • Experience with Key Management Infrastructure (KMI-3300) and Over-The-Network-Keying (OTNK) Control plane implementation for Ethernet based Network Appliances
  • Amazon Web Service virtual environment development
Benefits
  • 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
  • holidays

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
RustC++C#JavaPerlAdaVHDLcrypto algorithmsSysMLUML
Soft skills
team collaborationtime managementtask prioritizationcommunicationdesign review participation
Certifications
U.S. government issued security clearance