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# Software Engineer

- **Company:** Two Six Technologies
- **Location:** Arlington, VA, United States
- **Experience:** Experienced
- **Salary:** $114,983 - $171,890
- **Contract:** Permanent contract
- **Skills:** LTE (Telecommunication), Android Software Development, Public-Key Cryptography, C++ (Programming Language), Protocol Stack, Computer Engineering, Data Transmissions, Linux, Firmware, Mesh Networking, OpenSSL, Software Engineering, Computer Networking Systems, Git, Information Technology
- **Published:** November 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9284449/software-engineer

## About the Role

Two Six Technologies is seeking a Software Engineer to research and develop next-generation technologies for mobile communications and networks. The ideal candidate will have an interest in research as well as a commitment to developing solutions for the real world. You will join a small, supportive team that values cooperation and creative spirit.

This is a hybrid role, working both remotely and at our Arlington, VA headquarters at least 3 days per week, and may involve some light travel when transitioning products., * Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related on the job experience.

 * 3+ years of professional software development experience with C/C++
 * Familiarity with standard Linux software engineering tools, e.g., git, gcc, make
 * Active Top Secret (TS) clearance is required

Nice If You Have:

 * Experience with Android app development or Android OS modification is strongly preferred
 * Experience with network stack development, mesh networking, or tactical handheld radios
 * Experience with cellular networking infrastructure, such as LTE or 5G base stations and cores
 * Experience with the Rust programming language
 * Practical knowledge of symmetric and asymmetric cryptography in software, such as working with OpenSSL or other cryptographic libraries

#LI-ZS1

## Description

* Actively participate in the design, build, test, and implementation phases of research programs focused on advancing technology in the areas of resilient communications, next-generation networking, security, and privacy in mobile platforms
 * Become intimately familiar with all aspects of what goes on inside of today's smartphones, including the hardware, kernel, drivers, firmware, framework, and apps
 * Develop the ability to identify security and privacy risks of various apps, systems, and architectures
 * Design and develop custom software solutions for both prototype and production-level systems on mobile phones and other resource-constrained platforms, e.g., single-board computers