Senior Software Engineer

Location: Rampart HQ - Onsite in Maryland

About Rampart

At Rampart, we value unrelenting curiosity and pushing the bounds of human knowledge through science. Driven by a vision to make the connected world safer and more secure, we have advanced information theory and secured fundamental patents that are revolutionizing digital communications.

Our innovative RF technology sits at the intersection of Cryptography, Information Security, and Digital Signal Processing (DSP). We are building a high-performance, high-trust culture for self-motivated engineers who thrive on solving complex, foundational challenges in science and systems.

Our Core Values

• Privacy is a fundamental right.


• We aggressively advance the boundaries of science.


• The sum of us is greater than the parts.

The Impact You'll Make

As a Senior / Principal Software Engineer, you will architect, build, and optimize low-latency, highly reliable C++ applications and interfaces that power our core product platforms.

Key Responsibilities:

• Core Systems Architecture: Design high-performance C++ applications and interfaces optimized for ARM and x86 platforms.


• Performance Engineering: Profile, debug, and enhance legacy and modern C++ implementations for maximum execution efficiency and low latency.


• Cross-Functional Integration: Partner closely with DSP, FPGA, Hardware, and Product teams to transition theoretical algorithms into real-time production software.


• Infrastructure & Tooling: Design shared engineering frameworks, developer tooling, and modern CI/CD architecture to elevate technical standards across the engineering org.


• Technical Leadership: Mentor mid-level and junior engineers while expanding your own technical depth across cryptographic and DSP domains.

What We're Looking For

Minimum Qualifications

• Education: B.S. in Computer Science, Computer Engineering or related field of study.


• Experience: 10+ years of software engineering experience in high-performance or low-level systems (15+ years preferred).


• Languages: Expert-level mastery of Modern C++ (C++17 or later) and Python (3.10+).


• Ecosystem: Deep experience with Linux systems programming, Linux networking, Git, and CMake.

Nice-to-Have Skills

• Embedded Linux development or kernel-level debugging.


• Parallel computing architectures (e.g., CUDA, OpenCL).


• Familiarity with tools like Docker, ZeroMQ, Wireshark, MATLAB, or Julia.


• Exposure to Digital Signal Processing (DSP), Cryptography, or Forward Error Correction.

Work Authorization

Applicants must be authorized to work in the U.S.; the company is unable to sponsor employment visas for this role.

Perks & Benefits

• Health, Dental, and Vision Insurance


• Life Insurance


• Disability Insurance


• Health Savings Account (HSA) with company contributions


• Retirement Plan with company contributions


• Employee Incentive Plan & Performance Bonus Structure


• Culture dedicated to continuous technical learning, professional mentorship, and career growth

Equal Opportunity Employer

Rampart is an Equal Opportunity Employer. We actively celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, or disability status.

Your offer of employment is contingent upon the satisfactory outcome of a personal background check which may consist of a criminal history search (including the 50 states sex offender registry), education and employment verification. Depending on the position, the background check may also include drug testing, motor vehicle search, fingerprinting and the ability to perform the required job duties, which shall include the ability to receive and disclose export-controlled technology consistent with applicable export control laws and regulations. The background check must be completed before commencing employment at Rampart Communications.