Principal Embedded Software Engineer

GrammaTech, Inc.•Camden, NJ

1d•Hybrid

About The Position

GrammaTech is seeking a highly experienced Principal or Lead Embedded Software Engineer with deep expertise in Rust and a strong foundation in C++ to support the evolution of a legacy embedded system. This role will focus on modernizing existing codebases and developing new features using Rust, while maintaining and interfacing with established C++ components. Candidates must be a US citizen with an active Secret clearance.

Requirements

8+ years of embedded software development experience
Deep expertise in Rust (production-level experience required)
Strong proficiency in C++ with experience maintaining legacy systems
Experience with low-level systems programming, memory management, and performance optimization
Proven ability to lead technical efforts or operate at a principal/architect level
US citizen with an active Secret clearance

Nice To Haves

Experience migrating C/C++ codebases to Rust
Knowledge of hardware interfaces (SPI, I2C, UART, etc.)
Background in safety-critical or high-reliability systems
Experience with build systems and toolchains for embedded development

Responsibilities

Lead the design and development of embedded software solutions using Rust
Analyze and work within an existing C++ codebase to support enhancements and migration efforts
Architect and implement high-performance, reliable embedded applications
Drive best practices for Rust adoption within embedded environments
Provide technical leadership, mentorship, and code reviews
Troubleshoot, debug, and optimize system performance across both Rust and C++ layers